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Details

Page properties

Author

...	...	@@ -1,1 +1,1 @@
1		-XWiki.Bei
	1	+XWiki.Xiaoling

Content

...	...	@@ -1,54 +1,32 @@
1	1	(% style="text-align:center" %)
2		-[[image:image-20220523115324-1.jpeg||_mstalt="469677" height="317" width="317"]]
	2	+[[image:image-20220523111447-1.jpeg||height="448" width="448"]]
3	3
	4	+{{box cssClass="floatinginfobox" title="**Contents**"}}
	5	+{{toc/}}
	6	+{{/box}}
4	4
5		-(% _msthash="315237" _msttexthash="1697033" %)**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
6		-
7		-
8		-
9		-
10		-(% _msthash="315238" _msttexthash="18964465" %)**Table of Contents：**
11		-
12	12	{{toc/}}
13	13
14	14
15	15
	12	+= 1.Introduction =
16	16
17		-= (% _msthash="277498" _msttexthash="253045" %)1. Introduction(%%) =
	14	+== 1.1 What is LHT65N Temperature & Humidity Sensor ==
18	18
19		-== (% _msthash="1532895" _msttexthash="1426958" %)1.1 What is LHT65N Temperature & Humidity Sensor(%%) ==
20	20
21		-(((
22		-(% _msthash="506051" _msttexthash="24333127" %)
23		-The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% style="color:#4f81bd" %)**Temperature Sensor**(%%)**.**
24		-)))
	17	+The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a(% class="mark" %) **built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% class="mark" %)**Temperature Sensor**(%%)**.**
25	25
26		-(((
27		-(% _msthash="506052" _msttexthash="66005810" %)
28	28	The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
29		-)))
30	30
31		-(((
32		-(% _msthash="506053" _msttexthash="4298047" %)
33	33	LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
34		-)))
35	35
36		-(((
37		-(% _msthash="506054" _msttexthash="6016374" %)
38	38	LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
39		-)))
40	40
41		-(((
42		-(% _msthash="506055" _msttexthash="17023136" %)
43		-LHT65N supports (% style="color:#4f81bd" %)**Datalog Feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
44		-)))
	25	+LHT65N supports (% class="mark" %)Datalog Feature(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
45	45
46		-(((
47		-(% _msthash="506056" _msttexthash="5557097" %)
48	48	*The actual battery life depends on how often to send data, please see the battery analyzer chapter.
49		-)))
50	50
51		-== (% _msthash="182559" _msttexthash="163319" %)1.2 Features(%%) ==
	29	+== 1.2 Features ==
52	52
53	53	* Wall mountable
54	54	* LoRaWAN v1.0.3 Class A protocol
...	...	@@ -62,1277 +62,883 @@
62	62	* Tri-color LED to indicate working status
63	63	* Datalog feature
64	64
65		-== (% _msthash="323570" _msttexthash="297635" %)1.3 Specification(%%) ==
	43	+== 1.3 Specification ==
66	66
67		-(((
68		-(% _msthash="506057" _msttexthash="671437" %)**Built-in Temperature Sensor:**
69		-)))
	45	+**Built-in Temperature Sensor:**
70	70
71		-* (((
72		-(% _msthash="902993" _msttexthash="294424" %)
73		-Resolution: 0.01 °C
74		-)))
75		-* (((
76		-(% _msthash="902994" _msttexthash="690664" %)
77		-Accuracy Tolerance : Typ ±0.3 °C
78		-)))
79		-* (((
80		-(% _msthash="902995" _msttexthash="504647" %)
81		-Long Term Drift: < 0.02 °C/yr
82		-)))
83		-* (((
84		-(% _msthash="902996" _msttexthash="478257" %)
85		-Operating Range: -40 ~~ 85 °C
86		-)))
	47	+* Resolution: 0.01 °C
	48	+* Accuracy Tolerance : Typ ±0.3 °C
	49	+* Long Term Drift: < 0.02 °C/yr
	50	+* Operating Range: -40 ~~ 85 °C
87	87
88		-(((
89		-(% _msthash="506058" _msttexthash="544453" %)**Built-in Humidity Sensor:**
90		-)))
	52	+**Built-in Humidity Sensor:**
91	91
92		-* (((
93		-(% _msthash="902997" _msttexthash="282438" %)
94		-Resolution: 0.04 %RH
95		-)))
96		-* (((
97		-(% _msthash="902998" _msttexthash="628771" %)
98		-Accuracy Tolerance : Typ ±3 %RH
99		-)))
100		-* (((
101		-(% _msthash="902999" _msttexthash="504647" %)
102		-Long Term Drift: < 0.02 °C/yr
103		-)))
104		-* (((
105		-(% _msthash="903000" _msttexthash="421291" %)
106		-Operating Range: 0 ~~ 96 %RH
107		-)))
	54	+* Resolution: 0.04 %RH
	55	+* Accuracy Tolerance : Typ ±3 %RH
	56	+* Long Term Drift: < 0.02 °C/yr
	57	+* Operating Range: 0 ~~ 96 %RH
108	108
109		-(((
110		-(% _msthash="506059" _msttexthash="680537" %)**External Temperature Sensor:**
111		-)))
	59	+**External Temperature Sensor:**
112	112
113		-* (((
114		-(% _msthash="903001" _msttexthash="332254" %)
115		-Resolution: 0.0625 °C
116		-)))
117		-* (((
118		-(% _msthash="903002" _msttexthash="782600" %)
119		-±0.5°C accuracy from -10°C to +85°C
120		-)))
121		-* (((
122		-(% _msthash="903003" _msttexthash="729482" %)
123		-±2°C accuracy from -55°C to +125°C
124		-)))
125		-* (((
126		-(% _msthash="903004" _msttexthash="592540" %)
127		-Operating Range: -55 °C ~~ 125 °C
128		-)))
	61	+* Resolution: 0.0625 °C
	62	+* ±0.5°C accuracy from -10°C to +85°C
	63	+* ±2°C accuracy from -55°C to +125°C
	64	+* Operating Range: -55 °C ~~ 125 °C
129	129
130		-= (% _msthash="655759" _msttexthash="618618" %)2. Connect LHT65N to IoT Server(%%) =
	66	+= 2. Connect LHT65N to IoT Server =
131	131
132		-== (% _msthash="462371" _msttexthash="410332" %)2.1 How does LHT65N work?(%%) ==
	68	+== 2.1 How does LHT65N work? ==
133	133
134		-(((
135		-(% _msthash="506060" _msttexthash="28254538" %)
136	136	LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
137		-)))
138	138
139		-(((
140		-(% _msthash="506061" _msttexthash="48200724" %)
141	141	If LHT65N is under the coverage of this LoRaWAN network. LHT65N can join the LoRaWAN network automatically. After successfully joining, LHT65N will start to measure environment temperature and humidity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
142		-)))
143	143
144		-== (% _msthash="514384" _msttexthash="458666" %)2.2 How to Activate LHT65N?(%%) ==
145	145
146		-(% _msthash="315239" _msttexthash="748241" %)
	75	+== 2.2 How to Activate LHT65N? ==
	76	+
147	147	The LHT65N has two working modes:
148	148
149	149	* **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
150	150	* **Working Mode**: In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65 will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode.
151	151
152		-(((
153		-(% _msthash="506062" _msttexthash="6036823" %)
154	154	The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
155		-)))
156	156
157		-[[image:image-20220515123819-1.png||_mstalt="430742" height="379" width="317"]]
	84	+[[image:image-20220515123819-1.png||height="379" width="317"]]
158	158
159		-[[image:image-20220525110604-2.png||_mstalt="427531"]]
	86	+(% border="1" %)
	87	+|**Behavior on ACT**|**Function**|**Action**
	88	+|**Pressing ACT between 1s < time < 3s**|Test uplink status|If LHT65N is already Joined to the LoRaWAN network, LHT65N will send an uplink packet, if LHT65N has an external sensor connected, blue led will blink once. If LHT65N has no external sensor, red led will blink once.
	89	+|**Pressing ACT for more than 3s**|Active Device|green led will fast blink 5 times, LHT65N will enter working mode and start to JOIN LoRaWAN network. green led will solid turn on for 5 seconds after join in network.
	90	+|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
160	160
161		-== (% _msthash="882726" _msttexthash="838526" %)2.3 Example to join LoRaWAN network(%%) ==
	92	+== 2.3 Example to join LoRaWAN network ==
162	162
163		-(% _msthash="315240" _msttexthash="9205482" class="wikigeneratedid" %)
	94	+(% class="wikigeneratedid" %)
164	164	This section shows an example of how to join the TTN V3 LoRaWAN IoT server. Use with other LoRaWAN IoT servers is of a similar procedure.
165	165
166	166	(% class="wikigeneratedid" %)
167		-[[image:image-20220522232442-1.png||_mstalt="427830" height="387" width="648"]]
	98	+[[image:image-20220522232442-1.png||height="387" width="648"]]
168	168
169		-(% _msthash="315241" _msttexthash="10802155" %)
170	170	Assume the LPS8N is already set to connect to [[TTN V3 network>>url:https://eu1.cloud.thethings.network]], So it provides network coverage for LHT65N. Next we need to add the LHT65N device in TTN V3:
171	171
172	172
173		-=== (% _msthash="670592" _msttexthash="634075" %)2.3.1 Step 1: Create Device n TTN(%%) ===
	103	+=== 2.3.1 Step 1: Create Device n TTN ===
174	174
175		-(% _msthash="315242" _msttexthash="1601782" %)
176	176	Create a device in TTN V3 with the OTAA keys from LHT65N.
177	177
178		-(% _msthash="315243" _msttexthash="3694444" %)
179	179	Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
180	180
181		-[[image:image-20220522232812-2.png||_mstalt="428467" height="219" width="279"]]
	109	+[[image:image-20220522232812-2.png||height="219" width="279"]]
182	182
183		-(% _msthash="315244" _msttexthash="3659149" %)
184	184	User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
185	185
186		-(% _msthash="315245" _msttexthash="642889" %)
187	187	Add APP EUI in the application.
188	188
189		-[[image:image-20220522232916-3.png||_mstalt="430495"]]
	115	+[[image:image-20220522232916-3.png]]
190	190
191		-[[image:image-20220522232932-4.png||_mstalt="430157"]]
192	192
193		-[[image:image-20220522232954-5.png||_mstalt="431847"]]
	118	+[[image:image-20220522232932-4.png]]
194	194
195		-(% _msthash="315246" _msttexthash="878800" %)
	120	+
	121	+[[image:image-20220522232954-5.png]]
	122	+
196	196	Note: LHT65N use same payload as LHT65.
197	197
198		-[[image:image-20220522233026-6.png||_mstalt="429403"]]
	125	+[[image:image-20220522233026-6.png]]
199	199
200	200
201		-(% _msthash="315247" _msttexthash="595543" %)
202	202	Input APP EUI,  APP KEY and DEV EUI:
203	203
204		-[[image:image-20220522233118-7.png||_mstalt="430430"]]
	130	+[[image:image-20220522233118-7.png]]
205	205
206	206
207		-=== (% _msthash="3537456" _msttexthash="3448549" %)2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds.(%%) ===
	133	+=== 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
208	208
209		-(% _msthash="315248" _msttexthash="14452321" %)
210	210	Use ACT button to activate LHT65N and it will auto-join to the TTN V3 network. After join success, it will start to upload sensor data to TTN V3 and user can see in the panel.
211	211
212		-[[image:image-20220522233300-8.png||_mstalt="428389" height="219" width="722"]]
	137	+[[image:image-20220522233300-8.png]]
213	213
214	214
215		-== (% _msthash="320879" _msttexthash="294970" %)2.4 Uplink Payload(%%) ==
	140	+== 2.4 Uplink Payload ==
216	216
217		-(% _msthash="315249" _msttexthash="7722962" %)
218		-The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
	142	+The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
219	219
220		-(% _msthash="315250" _msttexthash="1322711" %)
221		-After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
	144	+After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
222	222
223		-(% border="1" style="background-color:#ffffcc; color:green; width:426px" %)
224		-|(% style="width:97px" %)(((
225		-(% _msthash="1817478" _msttexthash="161122" %)**Size(bytes)**
226		-)))|(% style="width:39px" %)(((
227		-(% _msthash="1817479" _msttexthash="4550" %)**2**
228		-)))|(% style="width:100px" %)(((
229		-(% _msthash="1817480" _msttexthash="4550" %)**2**
230		-)))|(% style="width:77px" %)(((
231		-(% _msthash="1817481" _msttexthash="4550" %)**2**
232		-)))|(% style="width:47px" %)(((
233		-(% _msthash="1817482" _msttexthash="4459" %)**1**
234		-)))|(% style="width:51px" %)(((
235		-(% _msthash="1817483" _msttexthash="4732" %)**4**
236		-)))
237		-|(% style="width:97px" %)(((
238		-(% _msthash="1817484" _msttexthash="60203" %)**Value**
239		-)))|(% style="width:39px" %)(((
240		-[[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594"]]
241		-)))|(% style="width:100px" %)(((
242		-(((
243		-[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769"]]
244		-)))
245		-)))|(% style="width:77px" %)(((
246		-(((
247		-[[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872"]]
248		-)))
249	249
250		-(((
251		-[[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429"]]
252		-)))
253		-)))|(% style="width:47px" %)(((
254		-[[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331"]] #
255		-)))|(% style="width:51px" %)(((
256		-[[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545"]]
257		-)))
	147	+(% border="1" style="width:572px" %)
	148	+|(% style="width:106px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:128px" %)**2**|(% style="width:103px" %)**2**|(% style="width:72px" %)**1**|(% style="width:89px" %)**4**
	149	+|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
	150	+[[Built-In>>path:#SHT20_Temperature]]
258	258
	152	+[[Temperature>>path:#SHT20_Temperature]]
	153	+)))|(% style="width:103px" %)(((
	154	+[[Built-in>>path:#SHT20_Humidity]]
	155	+
	156	+[[Humidity>>path:#SHT20_Humidity]]
	157	+)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
	158	+
259	259	* The First 6 bytes: has fix meanings for every LHT65N.
260	260	* The 7th byte (EXT #): defines the external sensor model.
261		-* The 8(% _msthash="734578" _msttexthash="21372" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
	161	+* The 8^^th^^ ~~ 11^^th^^ byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
262	262
263		-=== (% _msthash="360269" _msttexthash="333762" %)2.4.1 Decoder in TTN V3(%%) ===
	163	+=== 2.4.1 Decoder in TTN V3 ===
264	264
265		-(% _msthash="315251" _msttexthash="9786491" %)
266	266	When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N decoder in TTNv3 for friendly reading.
267	267
268		-(% _msthash="315252" _msttexthash="3928483" %)
269	269	Below is the position to put the decoder and LHT65N decoder can be download from here:
270	270
271		-[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064"]]
	169	+[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
272	272
273		-[[image:image-20220522234118-10.png||_mstalt="451464" height="353" width="729"]]
	171	+[[image:image-20220522234118-10.png]]
274	274
275		-=== (% _msthash="411411" _msttexthash="383656" %)2.4.2 BAT-Battery Info(%%) ===
276	276
277		-(% _msthash="315254" _msttexthash="3122912" %)
	174	+=== 2.4.2 BAT-Battery Info ===
	175	+
278	278	These two bytes of BAT include the battery state and the actually voltage
279	279
280		-[[image:image-20220523152839-18.png||_mstalt="457613"]]
	178	+(% style="width:646px" %)
	179	+|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
	180	+|Value|(% style="width:272px" %)(((
	181	+BAT Status
281	281
282		-[[image:image-20220522235639-1.png||_mstalt="431392" height="139" width="727"]]
	183	+00(b): Ultra Low ( BAT <= 2.50v)
283	283
284		-(% _msthash="315255" _msttexthash="871611" %)
	185	+01(b): Low  (2.50v <=BAT <= 2.55v)
	186	+
	187	+10(b): OK   (2.55v <= BAT <=2.65v)
	188	+
	189	+11(b): Good   (BAT >= 2.65v)
	190	+)))|(% style="width:214px" %)Actually BAT voltage
	191	+
	192	+[[image:image-20220522235639-1.png]]
	193	+
285	285	Check the battery voltage for LHT65N.
286	286
287	287	* BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
288	288	* Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
289	289
290		-=== (% _msthash="600769" _msttexthash="565838" %)2.4.3 Built-in Temperature(%%) ===
	199	+=== 2.4.3 Built-in Temperature ===
291	291
292		-[[image:image-20220522235639-2.png||_mstalt="431756" height="138" width="722"]]
	201	+[[image:image-20220522235639-2.png]]
293	293
294	294	* Temperature:  0x0ABB/100=27.47℃
295	295
296		-[[image:image-20220522235639-3.png||_mstalt="432120"]]
	205	+[[image:image-20220522235639-3.png]]
297	297
298	298	* Temperature:  (0xF5C6-65536)/100=-26.18℃
299	299
300		-=== (% _msthash="475891" _msttexthash="445120" %)2.4.4 Built-in Humidity(%%) ===
	209	+=== 2.4.4 Built-in Humidity ===
301	301
302		-[[image:image-20220522235639-4.png||_mstalt="432484" height="138" width="722"]]
	211	+[[image:image-20220522235639-4.png]]
303	303
304	304	* Humidity:    0x025C/10=60.4%
305	305
306		-=== (% _msthash="116532" _msttexthash="87958" %)2.4.5 Ext #(%%) ===
	215	+=== 2.4.5 Ext # ===
307	307
308		-(% _msthash="315256" _msttexthash="552240" %)
309	309	Bytes for External Sensor:
310	310
311		-[[image:image-20220523152822-17.png||_mstalt="454545"]]
	219	+(% style="width:624px" %)
	220	+|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
	221	+|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
	222	+|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
312	312
313		-=== (% _msthash="221429" _msttexthash="200655" %)2.4.6 Ext value(%%) ===
	224	+=== 2.4.6 Ext value ===
314	314
315		-==== (% _msthash="1005901" _msttexthash="877578" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
	226	+==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
316	316
317		-[[image:image-20220522235639-5.png||_mstalt="432848"]]
	228	+[[image:image-20220522235639-5.png]]
318	318
319	319	* DS18B20 temp=0x0ADD/100=27.81℃
320	320
321		-(% _msthash="315257" _msttexthash="1038479" %)
322	322	The last 2 bytes of data are meaningless
323	323
324		-[[image:image-20220522235639-6.png||_mstalt="433212"]]
	234	+[[image:image-20220522235639-6.png]]
325	325
326	326	* External temperature= (0xF54F-65536)/100=-27.37℃
327	327
328		-(((
329		-(% _msthash="506063" _msttexthash="1038479" %)
330	330	The last 2 bytes of data are meaningless
331		-)))
332	332
333		-(((
334		-(% _msthash="506064" _msttexthash="21185632" %)
335	335	If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
336		-)))
337	337
338	338
339		-==== (% _msthash="1389752" _msttexthash="1234766" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
	243	+==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
340	340
341		-(% _msthash="315258" _msttexthash="41539368" %)
342	342	Timestamp mode is designed for LHT65N with E3 probe, it will send the uplink payload with Unix timestamp. With the limitation of 11 bytes (max distance of AU915/US915/AS923 band), the time stamp mode will be lack of BAT voltage field, instead, it shows the battery status. The payload is as below:
343	343
344		-(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
345		-|(% style="width:96px" %)(((
346		-(% _msthash="1817488" _msttexthash="161122" %)**Size(bytes)**
347		-)))|(% style="width:71px" %)(((
348		-(% _msthash="1817489" _msttexthash="4550" %)**2**
349		-)))|(% style="width:99px" %)(((
350		-(% _msthash="1817490" _msttexthash="4550" %)**2**
351		-)))|(% style="width:132px" %)(((
352		-(% _msthash="1817491" _msttexthash="4550" %)**2**
353		-)))|(% style="width:54px" %)(((
354		-(% _msthash="1817492" _msttexthash="4459" %)**1**
355		-)))|(% style="width:64px" %)(((
356		-(% _msthash="1817493" _msttexthash="4732" %)**4**
357		-)))
358		-|(% style="width:96px" %)(((
359		-(% _msthash="1817494" _msttexthash="60203" %)**Value**
360		-)))|(% style="width:71px" %)(((
361		-[[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517"]]
362		-)))|(% style="width:99px" %)(((
363		-(((
364		-[[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464"]]
365		-)))
366	366
367		-(((
368		-[[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041"]]
369		-)))
370		-)))|(% style="width:132px" %)(((
371		-(((
372		-(% _msthash="2224747" _msttexthash="136331" %)
373		-BAT Status &
374		-)))
	248	+(% border="1" style="width:697px" %)
	249	+|(% style="width:96px" %)**Size(bytes)**|(% style="width:164px" %)**2**|(% style="width:104px" %)**2**|(% style="width:106px" %)**2**|(% style="width:108px" %)**1**|(% style="width:116px" %)**4**
	250	+|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
	251	+[[Built-In>>path:#SHT20_Temperature]]
375	375
376		-(((
377		-[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181"]]
	253	+[[Temperature>>path:#SHT20_Temperature]]
	254	+)))|(% style="width:106px" %)(((
	255	+[[BAT Status &>>path:#BAT_Humidity]]
	256	+
	257	+[[Built-in>>path:#BAT_Humidity]]
	258	+
	259	+[[Humidity>>path:#BAT_Humidity]]
	260	+)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
	261	+[[Unix>>path:#Unix_Time_Stamp]]
	262	+
	263	+[[Time Stamp>>path:#Unix_Time_Stamp]]
378	378	)))
379		-)))|(% style="width:54px" %)(((
380		-(% _msthash="1817496" _msttexthash="147225" %)
381		-Status & Ext
382		-)))|(% style="width:64px" %)(((
383		-(((
384		-[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175"]]
385		-)))
386		-)))
387	387
388		-* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
	266	+* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
389	389
390		-(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
391		-|(% _msthash="1230918" _msttexthash="93158" style="width:65px" %)Bit(bit)|(% _msthash="1230919" _msttexthash="57954" style="width:267px" %)[15:14]|(% _msthash="1230920" _msttexthash="48022" style="width:134px" %)[11:0]
392		-|(% _msthash="1230921" _msttexthash="60203" style="width:65px" %)Value|(% style="width:267px" %)(((
393		-(% _msthash="1817497" _msttexthash="128427" %)
	268	+(% border="1" style="width:587px" %)
	269	+|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
	270	+|Value|(% style="width:280px" %)(((
394	394	BAT Status
395	395
396		-(% _msthash="1817498" _msttexthash="472784" %)
397	397	00(b): Ultra Low ( BAT <= 2.50v)
398	398
399		-(% _msthash="1817499" _msttexthash="483678" %)
400	400	01(b): Low  (2.50v <=BAT <= 2.55v)
401	401
402		-(% _msthash="1817500" _msttexthash="440791" %)
403	403	10(b): OK   (2.55v <= BAT <=2.65v)
404	404
405		-(% _msthash="1817501" _msttexthash="334191" %)
406	406	11(b): Good   (BAT >= 2.65v)
407		-)))|(% style="width:134px" %)(((
408		-[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181"]]
	280	+)))|(% style="width:136px" %)(((
	281	+[[Built-in Humidity>>path:#SHT20_Humidity]]
409	409
410	410
411	411	)))
412	412
413		-* (% _msthash="504956" _msttexthash="245037" %)**Status & Ext Byte**
	286	+* **Status & Ext Byte**
414	414
415		-[[image:image-20220523152434-16.png||_mstalt="453921"]]
	288	+(% border="1" style="width:732px" %)
	289	+|(% style="width:128px" %)**Bits**|(% style="width:102px" %)**7**|(% style="width:145px" %)**6**|(% style="width:117px" %)**5**|(% style="width:147px" %)**4**|(% style="width:90px" %)**[3:0]**
	290	+|(% style="width:128px" %)**Status & Ext**|(% style="width:102px" %)Not Defined|(% style="width:145px" %)Poll Message Flag|(% style="width:117px" %)Sync time OK|(% style="width:147px" %)Unix Time Request|(% style="width:90px" %)(((
	291	+Ext:
416	416
	293	+0b(1001)
	294	+)))
	295	+
417	417	* Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
418	418	* Sync time OK: 1: Set time ok，0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
419	419	* Unix Time Request:1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
420	420
421		-== (% _msthash="487097" _msttexthash="454818" %)2.5 Show data on Datacake(%%) ==
	300	+== 2.5 Show data on Datacake ==
422	422
423		-(% _msthash="315259" _msttexthash="20933341" %)
424	424	Datacake IoT platform provides a human-friendly interface to show the sensor data, once we have sensor data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps:
425	425
426		-(((
427		-(% _msthash="506065" _msttexthash="4753983" %)
428	428	**Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
429		-)))
430	430
431		-(((
432		-(% _msthash="506066" _msttexthash="14696682" %)
433	433	**Step 2**: Configure your Application to forward data to Datacake you will need to add integration. Go to TTN V3 Console ~-~-> Applications ~-~-> Integrations ~-~-> Add Integrations.
434		-)))
435	435
436		-(((
437		-(% _msthash="506067" _msttexthash="180297" %)
	308	+
438	438	Add Datacake:
439		-)))
440	440
441		-[[image:image-20220523000825-7.png||_mstalt="429884" height="262" width="583"]]
	311	+[[image:image-20220523000825-7.png||height="262" width="583"]]
442	442
443	443
444		-(% _msthash="315260" _msttexthash="750178" %)
445	445	Select default key as Access Key:
446	446
447		-[[image:image-20220523000825-8.png||_mstalt="430248" height="453" width="406"]]
	316	+[[image:image-20220523000825-8.png||height="453" width="406"]]
448	448
449		-(% _msthash="315261" _msttexthash="2134964" %)
	318	+
450	450	In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
451	451
452		-[[image:image-20220523000825-9.png||_mstalt="430612" height="366" width="392"]]
	321	+[[image:image-20220523000825-9.png||height="366" width="392"]]
453	453
454		-[[image:image-20220523000825-10.png||_mstalt="450619" height="413" width="728"]]
455	455
456		-== (% _msthash="350454" _msttexthash="323544" %)2.6 Datalog Feature(%%) ==
457	457
458		-(% _msthash="315262" _msttexthash="32283004" %)
459		-Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LHT65N will store the reading for future retrieving purposes. There are two ways for IoT servers to get datalog from LHT65N.
	325	+[[image:image-20220523000825-10.png||height="432" width="762"]]
460	460
461		-=== (% _msthash="886158" _msttexthash="842426" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
462	462
463		-(% _msthash="315263" _msttexthash="409604" %)
464		-There are two methods:
	328	+== 2.6 Datalog Feature ==
465	465
466		-1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
467		-1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover.
	330	+This feature is always enabled. When user wants to retrieve the sensor value, he can send a poll command from the IoT platform to ask LHT65N to send the value in the required time slot.
468	468
469		-=== (% _msthash="369915" _msttexthash="342797" %)2.6.2 Unix TimeStamp(%%) ===
	332	+=== 2.6.1 Unix TimeStamp ===
470	470
471		-(% _msthash="315264" _msttexthash="1182285" %)
472	472	LHT65N uses Unix TimeStamp format based on
473	473
474		-[[image:image-20220523001219-11.png||_mstalt="450450" height="97" width="627"]]
	336	+[[image:image-20220523001219-11.png||height="97" width="627"]]
475	475
476	476
477		-(((
478		-(% _msthash="506068" _msttexthash="2717234" %)
479	479	User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
480		-)))
481	481
482		-(((
483		-(% _msthash="506069" _msttexthash="709813" %)
484	484	Below is the converter example
485		-)))
486	486
487		-[[image:image-20220523001219-12.png||_mstalt="450827" height="298" width="720"]]
	343	+[[image:image-20220523001219-12.png||height="302" width="730"]]
488	488
489		-(% _msthash="315265" _msttexthash="15137317" %)
490	490	So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
491	491
492		-=== (% _msthash="359294" _msttexthash="332748" %)2.6.3 Set Device Time(%%) ===
493	493
494		-(((
495		-(% _msthash="506070" _msttexthash="4521946" %)
	348	+=== 2.6.2 Set Device Time ===
	349	+
496	496	There are two ways to set device’s time:
497		-)))
498	498
499		-(((
500		-(% _msthash="506071" _msttexthash="1498471" %)**1. Through LoRaWAN MAC Command (Default settings)**
501		-)))
	352	+**~1. Through LoRaWAN MAC Command (Default settings)**
502	502
503		-(((
504		-(% _msthash="506072" _msttexthash="2126267" %)
505	505	User need to set SYNCMOD=1 to enable sync time via MAC command.
506		-)))
507	507
508		-(((
509		-(% _msthash="506073" _msttexthash="54430324" %)
510	510	Once LHT65N Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LHT65N. If LHT65N fails to get the time from the server, LHT65N will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
511		-)))
512	512
513		-(((
514		-(% _msthash="506074" _msttexthash="92531127" %)
515	515	Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn’t support. If server doesn’t support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.
516		-)))
517	517
518		-(((
519		-
520		-)))
521	521
522		-(((
523		-(% _msthash="506075" _msttexthash="329719" %)**2. Manually Set Time**
524		-)))
	361	+**2. Manually Set Time**
525	525
526		-(((
527		-(% _msthash="506076" _msttexthash="7889297" %)
528	528	User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
529		-)))
530	530
531		-=== (% _msthash="460759" _msttexthash="430001" %)2.6.4 Poll sensor value(%%) ===
532	532
533		-(% _msthash="315266" _msttexthash="4955821" %)
	366	+=== 2.6.3 Poll sensor value ===
	367	+
534	534	User can poll sensor value based on timestamps from the server. Below is the downlink command.
535	535
536		-[[image:image-20220523152302-15.png||_mstalt="451581"]]
537	537
538		-(((
539		-(% _msthash="506077" _msttexthash="14670916" %)
	371	+(% border="1" style="width:454px" %)
	372	+|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
	373	+|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
	374	+
540	540	Timestamp start and Timestamp end use Unix TimeStamp format as mentioned above. Devices will reply with all data log during this time period, use the uplink interval.
541		-)))
542	542
543		-(((
544		-For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% style="display:none" %)
545		-)))
546	546
547		-(((
548		-(% _msthash="506078" _msttexthash="6907459" %)
	378	+For example, downlink command 31 5FC5F350 5FC6 0160 05
	379	+
549	549	Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
550		-)))
551	551
552		-(((
553		-(% _msthash="506079" _msttexthash="23531573" %)
554	554	Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
555		-)))
556	556
557	557
558		-=== (% _msthash="650923" _msttexthash="614185" %)2.6.5 Datalog Uplink payload(%%) ===
	385	+=== 2.6.4 Datalog Uplink payload ===
559	559
560		-(% _msthash="315267" _msttexthash="2245087" %)
561	561	The Datalog poll reply uplink will use below payload format.
562	562
563		-(((
564		-(% _msthash="506080" _msttexthash="451581" %)**Retrieval data payload**
565		-)))
566	566
567		-(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
568		-|(% style="width:93px" %)(((
569		-(((
570		-(% _msthash="2224750" _msttexthash="161122" %)**Size(bytes)**
571		-)))
572		-)))|(% style="width:71px" %)(((
573		-(((
574		-(% _msthash="2224751" _msttexthash="4550" %)**2**
575		-)))
576		-)))|(% style="width:102px" %)(((
577		-(((
578		-(% _msthash="2224752" _msttexthash="4550" %)**2**
579		-)))
580		-)))|(% style="width:86px" %)(((
581		-(((
582		-(% _msthash="2224753" _msttexthash="4550" %)**2**
583		-)))
584		-)))|(% style="width:86px" %)(((
585		-(((
586		-(% _msthash="2224754" _msttexthash="4459" %)**1**
587		-)))
588		-)))|(% style="width:48px" %)(((
589		-(((
590		-(% _msthash="2224755" _msttexthash="4732" %)**4**
591		-)))
592		-)))
593		-|(% style="width:93px" %)(((
594		-(((
595		-(% _msthash="2224756" _msttexthash="60203" %)**Value**
596		-)))
597		-)))|(% style="width:71px" %)(((
598		-(((
599		-[[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672"]]
600		-)))
601		-)))|(% style="width:102px" %)(((
602		-(((
603		-(((
604		-[[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065"]]
605		-)))
606		-)))
	390	+Retrieval data payload
607	607
608		-(((
609		-(((
610		-[[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041"]]
611		-)))
612		-)))
613		-)))|(% style="width:86px" %)(((
614		-(((
615		-(((
616		-[[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872"]]
617		-)))
618		-)))
	392	+(% border="1" %)
	393	+|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
	394	+|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
	395	+[[Built-In>>path:#SHT20_Temperature]]
619	619
620		-(((
621		-(((
622		-[[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429"]]
623		-)))
624		-)))
625		-)))|(% style="width:86px" %)(((
626		-(((
627		-(% _msthash="2224758" _msttexthash="390390" %)
628		-Poll message flag & Ext
629		-)))
630		-)))|(% style="width:48px" %)(((
631		-(((
632		-(((
633		-[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175"]]
634		-)))
635		-)))
	397	+[[Temperature>>path:#SHT20_Temperature]]
	398	+)))|(((
	399	+[[Built-in>>path:#SHT20_Humidity]]
636	636
637		-(((
638		-(((
	401	+[[Humidity>>path:#SHT20_Humidity]]
	402	+)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
	403	+[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
	404	+
639	639
640	640	)))
641		-)))
642		-)))
643	643
644		-(% _msthash="315268" _msttexthash="390390" %)**Poll message flag & Ext**
	408	+Poll message flag & Ext
645	645
646		-[[image:image-20220523152208-14.png||_mstalt="452920"]]
647	647
648		-(((
649		-(((
650		-(% _msthash="736723" _msttexthash="2005003" %)
651		-Poll Message Flag: 1: This message is a poll message reply.
652		-)))
653		-)))
	411	+(% border="1" %)
	412	+|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
	413	+|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
	414	+Ext:
654	654
655		-* (((
656		-(((
657		-(% _msthash="1197157" _msttexthash="561548" %)
658		-Poll Message Flag is set to 1.
	416	+0b(1001)
659	659	)))
660		-)))
661		-* (((
662		-(((
663		-(% _msthash="1197158" _msttexthash="9284964" %)
664		-Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
665		-)))
666		-)))
667	667
668		-(((
669		-(((
670		-(% _msthash="736724" _msttexthash="2242344" %)
	419	+Poll Message Flag: 1: This message is a poll message reply.
	420	+
	421	+* Poll Message Flag is set to 1.
	422	+* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
	423	+
671	671	For example, in US915 band, the max payload for different DR is:
672		-)))
673		-)))
674	674
675		-(((
676		-(((
677		-(% _msthash="736725" _msttexthash="1065532" %)
678		-a) DR0: max is 11 bytes so one entry of data
679		-)))
680		-)))
	426	+a)      DR0: max is 11 bytes so one entry of data
681	681
682		-(((
683		-(((
684		-(% _msthash="736726" _msttexthash="3265665" %)
685		-b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
686		-)))
687		-)))
	428	+b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
688	688
689		-(((
690		-(((
691		-(% _msthash="736727" _msttexthash="1454115" style="text-align: left;" %)
692		-c) DR2: total payload includes 11 entries of data
693		-)))
694		-)))
	430	+c)      DR2: total payload includes 11 entries of data
695	695
696		-(((
697		-(((
698		-(% _msthash="736728" _msttexthash="1483924" style="text-align: left;" %)
699		-d) DR3: total payload includes 22 entries of data.
700		-)))
701		-)))
	432	+d)      DR3: total payload includes 22 entries of data.
702	702
703		-(((
704		-(((
705		-(% _msthash="736729" _msttexthash="5848349" style="text-align: left;" %)
706	706	If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0
707		-)))
708		-)))
709	709
710	710
711		-(% style="text-align: left;" %)
712		-(% _msthash="315269" _msttexthash="104767" %)**Example:**
	437	+**Example:**
713	713
714		-(% _msthash="315270" _msttexthash="913822" style="text-align: left;" %)
715	715	If LHT65N has below data inside Flash:
716	716
717		-[[image:image-20220523144455-1.png||_mstalt="430040" height="335" width="735"]]
	441	+Flash Addr   |Unix Time | Ext | BAT voltage|  Value
718	718
719		-(((
720		-(% _msthash="506081" _msttexthash="1663961" style="text-align: left;" %)
721		-If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
722		-)))
	443	+80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
723	723
724		-(((
725		-(% _msthash="506082" _msttexthash="1092494" style="text-align: left;" %)
	445	+80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
	446	+
	447	+8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
	448	+
	449	+8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
	450	+
	451	+8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
	452	+
	453	+8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
	454	+
	455	+8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
	456	+
	457	+8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
	458	+
	459	+
	460	+If user sends below downlink command:
	461	+
	462	+3160065F9760066DA705
	463	+
726	726	Where : Start time: 60065F97 = time 21/1/19 04:27:03
727		-)))
728	728
729		-(((
730		-(% _msthash="506083" _msttexthash="737269" style="text-align: left;" %)
731	731	Stop time 60066DA7= time 21/1/19 05:27:03
732		-)))
733	733
734		-(((
735		-
736		-)))
737	737
738		-(((
739		-(% _msthash="506084" _msttexthash="751218" style="text-align: left;" %)
740	740	LHT65N will uplink this payload.
741		-)))
742	742
743		-[[image:image-20220523001219-13.png||_mstalt="451204" height="421" style="text-align:left" width="727"]]
	471	+[[image:image-20220523001219-13.png||height="421" width="727"]]
744	744
745		-(% _msthash="315271" _msttexthash="12012546" style="text-align: left;" %)
746	746	7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
747	747
748		-(% _msthash="315272" _msttexthash="1656720" style="text-align: left;" %)
749		-where the first 11 bytes represent the first entry:
	475	+Where the first 11 bytes is for the first entry:
750	750
751		-(% _msthash="315273" _msttexthash="274846" style="text-align: left;" %)
752	752	7FFF089801464160065F97
753	753
754		-(% _msthash="315274" _msttexthash="838786" style="text-align: left;" %)
755		-External sensor data = 0x7FFF/100 = 327.67
	479	+Ext sensor data=0x7FFF/100=327.67
756	756
757		-(% _msthash="315275" _msttexthash="497666" style="text-align: left;" %)
758		-temperature = 0x0898 / 100 = 22.00
	481	+Temp=0x0898/100=22.00
759	759
760		-(% _msthash="315276" _msttexthash="242424" style="text-align: left;" %)
761		-buzz = 0x0146/10 = 32.6
	483	+Hum=0x0146/10=32.6
762	762
763		-(% _msthash="315277" _msttexthash="2633449" style="text-align: left;" %)
764		-The polling message flag & Ext=0x41, indicating the reply data, Ext=1
	485	+poll message flag & Ext=0x41,means reply data,Ext=1
765	765
766		-(% _msthash="315278" _msttexthash="1274962" style="text-align: left;" %)
767		-The Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
	487	+Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
768	768
769	769
770		-(% style="text-align: left;" %)
771		-== (% _msthash="244504" _msttexthash="188136" %)2.7 alarm mode(%%) ==
	490	+== 2.7 Alarm Mode ==
772	772
773		-(% _msthash="315279" _msttexthash="16493308" style="text-align: left;" %)
774		-when the device is in alarm mode, it checks the built-in sensor temperature for a short time. if the temperature exceeds the preconfigured range, it sends an uplink immediately.
	492	+Alarm mode feature is added since firmware v1.5. When device is in Alarm mode, it will check the built-in sensor temperature in a short interval. If the temperature exceeds the pre-configure range, it will send an uplink immediately.
775	775
776		-(((
777		-(% style="text-align: left;" %)
778		-(% _msthash="506085" _msttexthash="8782189" style="color:red" %)note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
779		-)))
780	780
781		-(% style="text-align: left;" %)
782		-(% _msthash="315280" _msttexthash="363480" %)**AT COMMAND FOR ALARM MODE:**
	495	+Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
783	783
784		-(% class="box infomessage" %)
785		-(((
786		-(% _msthash="506086" _msttexthash="2193529" style="text-align: left;" %)
787		-(% _istranslated="1" _mstmutation="1" %)**AT+WMOD=1**(%%): Enable/disable alarm mode. (0: Disabled, 1: Enabled)
788	788
789		-(% _msthash="506087" _msttexthash="3671265" style="text-align: left;" %)
790		-(% _istranslated="1" %)**AT+CITEMP=1**(%%): The interval between checking the alarm temperature. (In minutes)
	498	+AT Commands for Alarm mode:
791	791
792		-(% _msthash="506088" _msttexthash="3310437" style="text-align: left;" %)
793		-(% _istranslated="1" %)**AT+ARTEMP**(%%): Gets or sets the alarm range of the internal temperature sensor
	500	+**AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
794	794
795		-(% style="text-align: left;" %)
796		-(% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%): Gets the alarm range of the internal temperature sensor(% style="display:none" %)
	502	+**AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
797	797
798		-(% _msthash="506089" _msttexthash="3590067" style="text-align: left;" %)
799		-(% _istranslated="1" %)**AT+ARTEMP=45,105**(%%): Set the internal temperature sensor alarm range from 45 to 105.
800		-)))
801	801
802		-== ==
803	803
804		-(% style="text-align: left;" %)
805		-== (% _msthash="168103" _msttexthash="59969" %)2.8 led(%%) ==
	506	+== 2.8 LED Indicator ==
806	806
807		-(((
808		-(% _msthash="506090" _msttexthash="2378701" style="text-align: left;" %)
809		-THE LHT65N HAS TRI-COLOR LEDS THAT MAKE IT EASY TO DISPLAY DIFFERENT STAGES.
810		-)))
	508	+The LHT65N has a triple color LED which for easy shows different stage.
811	811
812		-(((
813		-(% _msthash="506091" _msttexthash="3959839" style="text-align: left;" %)
814		-WHEN THE ACT BUTTON IS PRESSED, THE LED OPERATES ACCORDING TO THE STATE OF THE LED WITH THE ACT BUTTON.
815		-)))
	510	+While pressing ACT button, the LED will work as per LED status with ACT button.
816	816
817		-(((
818		-(% _msthash="506092" _msttexthash="934024" style="text-align: left;" %)
819		-under normal operating conditions:
820		-)))
	512	+In a normal working state:
821	821
822		-* (((
823		-(% _msthash="903005" _msttexthash="999700" %)
824		-FOR EACH UPLINK, THE BLUE OR RED LED BLINKS ONCE.
825		-)))
826		-* (((
827		-(% _msthash="903006" _msttexthash="877656" %)
828		-BLUE LED WHEN CONNECTING EXTERNAL SENSORS
829		-)))
830		-* (((
831		-(% _msthash="903007" _msttexthash="1043640" %)
832		-RED LED WHEN AN EXTERNAL SENSOR IS NOT CONNECTED
833		-)))
834		-* (((
835		-(% _msthash="903008" _msttexthash="1585363" %)
836		-FOR EACH SUCCESSFUL DOWNLINK, THE PURPLE LED WILL BLINK ONCE
837		-)))
	514	+* For each uplink, the BLUE LED or RED LED will blink once.
	515	+* BLUE LED when an external sensor is connected
	516	+* RED LED when an external sensor is not connected
	517	+* For each success downlink, the PURPLE LED will blink once
838	838
839	839	----
840	840
841		-(% style="text-align: left;" %)
842		-== (% _msthash="112034" _msttexthash="277511" %)2.9 installation(%%) ==
	521	+== 2.9 Installation ==
843	843
844		-[[image:image-20220516231650-1.png||_mstalt="428597" height="436" width="428"]]
	523	+[[image:image-20220516231650-1.png||height="436" width="428"]]
845	845
846		-(% style="text-align: left;" %)
847		-= (% _msthash="401388" _msttexthash="566956" %)3. sensors and accessories(%%) =
	525	+= 3. Sensors & Accessories =
848	848
849		-(% style="text-align: left;" %)
850		-== (% _msthash="280358" _msttexthash="340158" %)3.1 E3 TEMPERATURE PROBE(%%) ==
	527	+== 3.1 E3 Temperature Probe ==
851	851
852		-[[image:image-20220515080154-4.png||_mstalt="434681" alt="photo-20220515080154-4.png" height="182" width="161"]] [[image:image-20220515080330-5.png||_mstalt="428792" height="201" width="195"]]
	529	+[[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
853	853
854	854
855		-(% _msthash="315354" _msttexthash="1093430" style="text-align: left;" %)
856		-temperature sensor with 2 m cable length
	532	+With Temperature sensor with 2 meters cable long
857	857
858		-* RESOLUTION: 0.0625°C
859		-* ±0.5°C ACCURACY FROM -10°C TO +85°C
860		-* ±2°C ACCURACY FROM -55°C TO +125°C
861		-* OPERATING RANGE: -40 ~~ 125 °C
862		-* -55°C 至 125°C
863		-* working voltage 2.35v ~~ 5v
	534	+* Resolution: 0.0625 °C
	535	+* ±0.5°C accuracy from -10°C to +85°C
	536	+* ±2°C accuracy from -55°C to +125°C
	537	+* Operating Range: -40 ~~ 125 °C
	538	+* -55°C to 125°C
	539	+* Working voltage 2.35v ~~ 5v
864	864
865		-(% style="text-align: left;" %)
866		-= (% _msthash="1940107" _msttexthash="1714063" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
	541	+= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
867	867
868		-(((
869		-(% _msthash="506246" _msttexthash="2005926" style="text-align: left;" %)
870	870	Use can configure LHT65N via AT Command or LoRaWAN Downlink.
871		-)))
872	872
873		-* (((
874		-(% _msthash="903318" _msttexthash="635544" %)
875		-AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
876		-)))
877		-* (((
878		-(% _msthash="903319" _msttexthash="2004301" %)
879		-LoRaWAN Downlink instruction for different platforms:
880		-)))
	545	+* AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
	546	+* LoRaWAN Downlink instruction for different platforms:
881	881
882		-(((
883		-(% style="text-align: left;" %)
884		-[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server>>url:http://wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server||_msthash="506247" _msttexthash="3599349"]]
885		-)))
	548	+[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server>>url:http://wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server]]
886	886
887		-(((
888		-(% _msthash="506248" _msttexthash="2144051" style="text-align: left;" %)
889	889	There are two kinds of commands to configure LHT65N, they are:
890		-)))
891	891
892		-(((
893		-(% style="text-align: left;" %)
894		-(% _msthash="506249" _msttexthash="317850" style="color:#4f81bd" %)* **General Commands**.
895		-)))
	552	+* **General Commands**.
896	896
897		-(((
898		-(% _msthash="506250" _msttexthash="774527" style="text-align: left;" %)
899	899	These commands are to configure:
900		-)))
901	901
902		-* (((
903		-(% _msthash="903320" _msttexthash="1503580" %)
904		-General system settings like: uplink interval.
905		-)))
906		-* (((
907		-(% _msthash="903321" _msttexthash="1244334" %)
908		-LoRaWAN protocol & radio-related commands.
909		-)))
	556	+* General system settings like: uplink interval.
	557	+* LoRaWAN protocol & radio-related commands.
910	910
911		-(((
912		-(% _msthash="506251" _msttexthash="8343023" style="text-align: left;" %)
913	913	They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
914		-)))
915	915
916		-(((
917		-(% style="text-align: left;" %)
918		-[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command||_msthash="506252" _msttexthash="3434769"]]
919		-)))
	561	+[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
920	920
921		-(((
922		-(% style="text-align: left;" %)
923		-(% style="color:#4f81bd" %)* (% _msthash="506253" _msttexthash="792038" %)**Commands special design for LHT65N**
924		-)))
	563	+* **Commands special design for LHT65N**
925	925
926		-(((
927		-(% _msthash="506254" _msttexthash="1501357" style="text-align: left;" %)
928	928	These commands are only valid for LHT65N, as below:
929		-)))
930	930
931		-(% style="text-align: left;" %)
932		-== (% _msthash="708253" _msttexthash="668772" %)4.1 Set Transmit Interval Time(%%) ==
	567	+== 4.1 Set Transmit Interval Time ==
933	933
934		-(% _msthash="315355" _msttexthash="1659268" style="text-align: left;" %)
935	935	Feature: Change LoRaWAN End Node Transmit Interval.
936	936
937		-(% style="text-align: left;" %)
938		-(% _msthash="315356" _msttexthash="241696" %)**AT Command: AT+TDC**
	571	+**AT Command: AT+TDC**
939	939
940		-[[image:image-20220523150701-2.png||_mstalt="427453"]]
	573	+(% border="1" %)
	574	+|**Command Example**|**Function**|**Response**
	575	+|AT+TDC?|Show current transmit Interval|(((
	576	+30000
941	941
942		-(((
943		-(% style="text-align: left;" %)
944		-(% _msthash="506255" _msttexthash="381992" %)**Downlink Command: 0x01**
	578	+OK
	579	+
	580	+the interval is 30000ms = 30s
945	945	)))
	582	+|AT+TDC=60000|Set Transmit Interval|(((
	583	+OK
946	946
947		-(((
948		-(% _msthash="506256" _msttexthash="1996592" style="text-align: left;" %)
949		-Format: Command Code (0x01) followed by 3 bytes time value.
	585	+Set transmit interval to 60000ms = 60 seconds
950	950	)))
951	951
952		-(((
953		-(% _msthash="506257" _msttexthash="12934649" style="text-align: left;" %)
	588	+**Downlink Command: 0x01**
	589	+
	590	+Format: Command Code (0x01) followed by 3 bytes time value.
	591	+
954	954	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
955		-)))
956	956
957		-* (((
958		-(% _msthash="903322" _msttexthash="3250546" %)
959		-**Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
960		-)))
961		-* (((
962		-(% _msthash="903323" _msttexthash="3253315" %)
963		-**Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
964		-)))
	594	+* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
	595	+* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
965	965
966		-(% style="text-align: left;" %)
967		-== (% _msthash="614770" _msttexthash="578240" %)4.2 Set External Sensor Mode(%%) ==
	597	+== 4.2 Set External Sensor Mode ==
968	968
969		-(% _msthash="315357" _msttexthash="975117" style="text-align: left;" %)
970	970	Feature: Change External Sensor Mode.
971	971
972		-(% style="text-align: left;" %)
973		-(% _msthash="315358" _msttexthash="248118" %)**AT Command: AT+EXT**
	601	+**AT Command: AT+EXT**
974	974
975		-[[image:image-20220523150759-3.png||_mstalt="432146"]]
	603	+(% border="1" %)
	604	+|**Command Example**|**Function**|**Response**
	605	+|AT+EXT?|Get current external sensor mode|(((
	606	+1
976	976
977		-(((
978		-(% style="text-align: left;" %)
979		-(% _msthash="506258" _msttexthash="387855" %)**Downlink Command: 0xA2**
	608	+OK
	609	+
	610	+External Sensor mode =1
980	980	)))
	612	+|AT+EXT=1|(% colspan="2" %)Set external sensor mode to 1
	613	+|AT+EXT=9|(% colspan="2" %)Set to external DS18B20 with timestamp
981	981
982		-(((
983		-(% _msthash="506259" _msttexthash="395629" style="text-align: left;" %)
	615	+**Downlink Command: 0xA2**
	616	+
984	984	Total bytes: 2 ~~ 5 bytes
985		-)))
986	986
987		-(((
988		-(% _msthash="506260" _msttexthash="104767" %)**Example:**
989		-)))
	619	+Example:
990	990
991		-* (((
992		-(% _msthash="903324" _msttexthash="934973" %)
993		-0xA201: Set external sensor type to E1
994		-)))
995		-* (((
996		-(% _msthash="903325" _msttexthash="354770" %)
997		-0xA209: Same as AT+EXT=9
998		-)))
999		-* (((
1000		-(% _msthash="903326" _msttexthash="639067" %)
1001		-0xA20702003c,Same as AT+SETCNT=60
1002		-)))
	621	+* 0xA201: Set external sensor type to E1
	622	+* 0xA209: Same as AT+EXT=9
	623	+* 0xA20702003c,Same as AT+SETCNT=60
1003	1003
1004		-(% style="text-align: left;" %)
1005		-== (% _msthash="1562483" _msttexthash="1445717" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
	625	+== 4.3 Enable/Disable uplink Temperature probe ID ==
1006	1006
1007		-(% _msthash="315359" _msttexthash="2977572" style="text-align: left;" %)
1008	1008	Feature: If PID is enabled, device will send the temperature probe ID on:
1009	1009
1010	1010	* First Packet after OTAA Join
1011	1011	* Every 24 hours since the first packet.
1012	1012
1013		-(% _msthash="315360" _msttexthash="658814" style="text-align: left;" %)
1014	1014	PID is default set to disable (0)
1015	1015
1016		-(% style="text-align: left;" %)
1017		-(% _msthash="315361" _msttexthash="137488" %)**AT Command:**
1018	1018
1019		-[[image:image-20220523150928-4.png||_mstalt="431821"]]
	635	+**AT Command:**
1020	1020
1021		-(% style="text-align: left;" %)
1022		-(% _msthash="315362" _msttexthash="298038" %)**Downlink Command:**
	637	+(% border="1" %)
	638	+|**Command Example**|**Function**|**Response**
	639	+|AT+PID=1|Enable PID uplink|OK
1023	1023
1024		-* 0xA800  **~-~->** AT+PID=0
1025		-* 0xA801     **~-~->** AT+PID=1
	641	+**Downlink Command:**
1026	1026
1027		-(% style="text-align: left;" %)
1028		-== (% _msthash="266344" _msttexthash="242879" %)4.4 Set Password(%%) ==
	643	+* 0xA800     à AT+PID=0
	644	+* 0xA801     à AT+PID=1
1029	1029
1030		-(% _msthash="315363" _msttexthash="1170728" style="text-align: left;" %)
	646	+== 4.4 Set Password ==
	647	+
1031	1031	Feature: Set device password, max 9 digits
1032	1032
1033		-(% style="text-align: left;" %)
1034		-(% _msthash="315364" _msttexthash="295009" %)**AT Command: AT+PWORD**
	650	+**AT Command: AT+PWORD**
1035	1035
1036		-[[image:image-20220523151052-5.png||_mstalt="428623"]]
	652	+(% border="1" %)
	653	+|**Command Example**|**Function**|**Response**
	654	+|AT+PWORD=?|Show password|(((
	655	+123456
1037	1037
1038		-(((
1039		-(% style="text-align: left;" %)
1040		-(% _msthash="506261" _msttexthash="298038" %)**Downlink Command:**
	657	+
	658	+OK
1041	1041	)))
	660	+|AT+PWORD=999999|Set password|OK
1042	1042
1043		-(((
1044		-(% _msthash="506262" _msttexthash="974311" style="text-align: left;" %)
	662	+**Downlink Command:**
	663	+
1045	1045	No downlink command for this feature.
1046		-)))
1047	1047
1048		-(% style="text-align: left;" %)
1049		-== (% _msthash="306956" _msttexthash="281918" %)4.5 Quit AT Command(%%) ==
	666	+== 4.5 Quit AT Command ==
1050	1050
1051		-(% _msthash="315365" _msttexthash="4616456" style="text-align: left;" %)
1052	1052	Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1053	1053
1054		-(% style="text-align: left;" %)
1055		-(% _msthash="315366" _msttexthash="289120" %)**AT Command: AT+DISAT**
	670	+**AT Command: AT+DISAT**
1056	1056
1057		-[[image:image-20220523151132-6.png||_mstalt="428649"]]
	672	+(% border="1" %)
	673	+|**Command Example**|**Function**|**Response**
	674	+|AT+DISAT|Quit AT Commands mode|OK
1058	1058
1059		-(% style="text-align: left;" %)
1060		-(% _msthash="315367" _msttexthash="298038" %)**Downlink Command:**
	676	+**Downlink Command:**
1061	1061
1062		-(% _msthash="315368" _msttexthash="974311" style="text-align: left;" %)
1063	1063	No downlink command for this feature.
1064	1064
1065		-(% style="text-align: left;" %)
1066		-== (% _msthash="362752" _msttexthash="334919" %)4.6 Set to sleep mode(%%) ==
1067	1067
1068		-(% _msthash="315369" _msttexthash="779688" style="text-align: left;" %)
	681	+== 4.6 Set to sleep mode ==
	682	+
1069	1069	Feature: Set device to sleep mode
1070	1070
1071		-(% style="text-align: left;" %)
1072		-(% _msthash="315370" _msttexthash="289783" %)**AT Command: AT+SLEEP**
	685	+**AT Command: AT+SLEEP**
1073	1073
1074		-[[image:image-20220523151218-7.png||_mstalt="430703"]]
	687	+(% border="1" %)
	688	+| | |
	689	+|**Command Example**|**Function**|**Response**
	690	+|AT+SLEEP|Set to sleep mode|(((
	691	+Clear all stored sensor data…
1075	1075
1076		-(% _msthash="315371" _msttexthash="298038" %)**Downlink Command:**
	693	+OK
	694	+)))
1077	1077
	696	+**Downlink Command:**
	697	+
1078	1078	* There is no downlink command to set to Sleep mode.
1079	1079
1080		-== (% _msthash="336557" _msttexthash="309712" %)4.7 Set system time(%%) ==
	700	+== 4.7 Set system time ==
1081	1081
1082		-(% _msthash="315372" _msttexthash="2565524" %)
1083		-Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
	702	+Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
1084	1084
1085		-(% _msthash="315373" _msttexthash="137488" %)**AT Command:**
	704	+**AT Command:**
1086	1086
1087		-[[image:image-20220523151253-8.png||_mstalt="430677"]]
	706	+(% border="1" %)
	707	+|**Command Example**|**Function**
	708	+|AT+TIMESTAMP=1611104352|(((
	709	+OK
1088	1088
1089		-(% _msthash="315374" _msttexthash="298038" %)**Downlink Command:**
	711	+Set System time to 2021-01-20 00:59:12
	712	+)))
1090	1090
1091		-(% _msthash="315375" _msttexthash="2898571" %)
	714	+**Downlink Command:**
	715	+
1092	1092	0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1093	1093
1094		-== (% _msthash="376779" _msttexthash="348712" %)4.8 Set Time Sync Mode(%%) ==
	718	+== 4.8 Set Time Sync Mode ==
1095	1095
1096		-(((
1097		-(% _msthash="506263" _msttexthash="11748321" %)
1098	1098	Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1099		-)))
1100	1100
1101		-(((
1102		-(% _msthash="506264" _msttexthash="6530264" %)
1103	1103	SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user need to set this to 0.
1104		-)))
1105	1105
1106		-(((
1107		-(% _msthash="506265" _msttexthash="137488" %)**AT Command:**
1108		-)))
1109	1109
1110		-[[image:image-20220523151336-9.png||_mstalt="431717"]]
	725	+**AT Command:**
1111	1111
1112		-(% _msthash="315376" _msttexthash="298038" %)**Downlink Command:**
	727	+|**Command Example**|**Function**
	728	+|AT+SYNCMOD=1|Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
1113	1113
1114		-(% _msthash="315377" _msttexthash="479648" %)
	730	+**Downlink Command:**
	731	+
1115	1115	0x28 01 ~/~/ Same As AT+SYNCMOD=1
1116	1116
1117		-(% _msthash="315378" _msttexthash="479076" %)
1118	1118	0x28 00 ~/~/ Same As AT+SYNCMOD=0
1119	1119
1120		-== (% _msthash="536432" _msttexthash="502528" %)4.9 Set Time Sync Interval(%%) ==
	736	+== 4.9 Set Time Sync Interval ==
1121	1121
1122		-(% _msthash="315379" _msttexthash="3065777" %)
1123	1123	Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1124	1124
1125		-(% _msthash="315380" _msttexthash="137488" %)**AT Command:**
	740	+**AT Command:**
1126	1126
1127		-[[image:image-20220523151411-10.png||_mstalt="449696"]]
	742	+(% border="1" %)
	743	+|**Command Example**|**Function**
	744	+|AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
1128	1128
1129		-(% _msthash="315381" _msttexthash="298038" %)**Downlink Command:**
	746	+**Downlink Command:**
1130	1130
1131		-(% _msthash="315382" _msttexthash="590044" %)
1132	1132	0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1133	1133
1134		-== (% _msthash="927901" _msttexthash="882570" %)4.10 Print data entries base on page.(%%) ==
	750	+== 4.10 Print data entries base on page. ==
1135	1135
1136		-(% _msthash="315383" _msttexthash="3233334" %)
1137	1137	Feature: Print the sector data from start page to stop page (max is 416 pages).
1138	1138
1139		-(% _msthash="315384" _msttexthash="264953" %)**AT Command: AT+PDTA**
	754	+**AT Command: AT+PDTA**
1140	1140
1141		-[[image:image-20220523151450-11.png||_mstalt="451035"]]
	756	+(% border="1" %)
	757	+|**Command Example**|**Response**
	758	+|(((
	759	+AT+PDTA=1,3
1142	1142
1143		-(% _msthash="315385" _msttexthash="298038" %)**Downlink Command:**
1144	1144
1145		-(% _msthash="315386" _msttexthash="799539" %)
	762	+
	763	+Print page 1 to 3
	764	+)))|(((
	765	+8019500 19/6/26 16:48 1 2992 sht_temp=28.21 sht_hum=71.5 ds_temp=27.31
	766	+
	767	+8019510 19/6/26 16:53 1 2994 sht_temp=27.64 sht_hum=69.3 ds_temp=26.93
	768	+
	769	+8019520 19/6/26 16:58 1 2996 sht_temp=28.39 sht_hum=72.0 ds_temp=27.06
	770	+
	771	+8019530 19/6/26 17:03 1 2996 sht_temp=27.97 sht_hum=70.4 ds_temp=27.12
	772	+
	773	+8019540 19/6/26 17:08 1 2996 sht_temp=27.80 sht_hum=72.9 ds_temp=27.06
	774	+
	775	+8019550 19/6/26 17:13 1 2998 sht_temp=27.30 sht_hum=72.4 ds_temp=26.68
	776	+
	777	+8019560 19/6/26 17:22 1 2992 sht_temp=26.27 sht_hum=62.3 ds_temp=26.56
	778	+
	779	+8019570
	780	+
	781	+8019580
	782	+
	783	+8019590
	784	+
	785	+80195A0
	786	+
	787	+80195B0
	788	+
	789	+80195C0
	790	+
	791	+80195D0
	792	+
	793	+80195E0
	794	+
	795	+80195F0
	796	+
	797	+
	798	+OK
	799	+)))
	800	+
	801	+**Downlink Command:**
	802	+
1146	1146	No downlink commands for feature
1147	1147
1148		-== (% _msthash="788762" _msttexthash="747149" %)4.11 Print last few data entries.(%%) ==
	805	+== 4.11 Print last few data entries. ==
1149	1149
1150		-(% _msthash="315387" _msttexthash="1101009" %)
1151	1151	Feature: Print the last few data entries
1152	1152
1153		-(% _msthash="315388" _msttexthash="288522" %)**AT Command: AT+PLDTA**
	809	+**AT Command: AT+PLDTA**
1154	1154
1155		-[[image:image-20220523151524-12.png||_mstalt="452101"]]
	811	+(% border="1" %)
	812	+|**Command Example**|**Response**
	813	+|(((
	814	+AT+PLDTA=5
1156	1156
1157		-(% _msthash="315389" _msttexthash="298038" %)**Downlink Command:**
1158	1158
1159		-(% _msthash="315390" _msttexthash="799539" %)
1160		-No downlink commands for feature
1161	1161
1162		-== (% _msthash="437814" _msttexthash="408057" %)4.12 Clear Flash Record(%%) ==
	818	+Print last 5 entries
	819	+)))|(((
	820	+Stop Tx and RTP events when read sensor data
1163	1163
1164		-(% _msthash="315391" _msttexthash="1609075" %)
1165		-Feature: Clear flash storage for data log feature.
	822	+1 19/6/26 13:59 1 3005 sht_temp=27.09 sht_hum=79.5 ds_temp=26.75
1166	1166
1167		-(% _msthash="315392" _msttexthash="311415" %)**AT Command: AT+CLRDTA**
	824	+2 19/6/26 14:04 1 3007 sht_temp=26.65 sht_hum=74.8 ds_temp=26.43
1168	1168
1169		-[[image:image-20220523151556-13.png||_mstalt="454129"]]
	826	+3 19/6/26 14:09 1 3007 sht_temp=26.91 sht_hum=77.9 ds_temp=26.56
1170	1170
1171		-(% _msthash="315393" _msttexthash="388193" %)**Downlink Command: 0xA3**
	828	+4 19/6/26 14:15 1 3007 sht_temp=26.93 sht_hum=76.7 ds_temp=26.75
1172	1172
1173		-* Example: 0xA301 ~/~/Same as AT+CLRDTA
	830	+5 19/6/26 14:20 1 3007 sht_temp=26.78 sht_hum=76.6 ds_temp=26.43
1174	1174
1175		-== (% _msthash="740532" _msttexthash="701363" %)4.13 Auto Send None-ACK messages(%%) ==
	832	+Start Tx and RTP events
1176	1176
1177		-(% _msthash="315394" _msttexthash="51837149" %)
1178		-Feature: LHT65N will wait for ACK for each uplink, If LHT65N doesn't get ACK from the IoT server, it will consider the message doesn't arrive server and store it. LHT65N keeps sending messages in normal periodically. Once LHT65N gets ACK from a server, it will consider the network is ok and start to send the not-arrive message.
	834	+OK
	835	+)))
1179	1179
	837	+**Downlink Command:**
1180	1180
1181		-(% _msthash="315395" _msttexthash="334256" %)**AT Command: AT+PNACKMD**
	839	+No downlink commands for feature
1182	1182
1183		-(% _msthash="315396" _msttexthash="734682" %)
1184		-The default factory setting is 0
	841	+== 4.12 Clear Flash Record ==
1185	1185
1186		-(% border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1187		-|=(% style="width: 171px;" %)(% _msthash="1231737" _msttexthash="251862" %)**Command Example**|=(% style="width: 219px;" %)(% _msthash="1231738" _msttexthash="116025" %)**Function**|=(% style="width: 119px;" %)(% _msthash="1231739" _msttexthash="116831" %)**Response**
1188		-|(% _msthash="1231321" _msttexthash="130455" style="width:171px" %)AT+PNACKMD=1|(% _msthash="1231322" _msttexthash="377026" style="width:219px" %)Poll None-ACK message|(% _msthash="1231323" _msttexthash="14989" style="width:119px" %)OK
	843	+Feature: Clear flash storage for data log feature.
1189	1189
1190		-(% _msthash="315397" _msttexthash="383981" %)**Downlink Command: 0x34**
	845	+**AT Command: AT+CLRDTA**
1191	1191
1192		-* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
	847	+(% border="1" %)
	848	+|**Command Example**|**Function**|**Response**
	849	+|AT+CLRDTA|Clear date record|(((
	850	+Clear all stored sensor data…
1193	1193
1194		-= (% _msthash="568737" _msttexthash="502827" %)5. Battery & How to replace(%%) =
	852	+OK
	853	+)))
1195	1195
1196		-== (% _msthash="265486" _msttexthash="242073" %)5.1 Battery Type(%%) ==
	855	+**Downlink Command: 0xA3**
1197	1197
1198		-(% _msthash="315398" _msttexthash="33754799" %)
	857	+* Example: 0xA301 ~/~/Same as AT+CLRDTA
	858	+
	859	+= 5. Battery & How to replace =
	860	+
	861	+== 5.1 Battery Type ==
	862	+
1199	1199	LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters.
1200	1200
1201		-(((
1202	1202	The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1203		-[[image:image-20220515075034-1.png||_mstalt="428961" height="208" width="644"]]
1204		-)))
	866	+[[image:image-20220515075034-1.png||height="208" width="644"]]
1205	1205
1206		-(((
1207	1207	The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1208	1208
1209		-)))
1210	1210
1211		-== (% _msthash="353795" _msttexthash="326703" %)5.2 Replace Battery(%%) ==
	871	+== 5.2 Replace Battery ==
1212	1212
1213		-(% _msthash="315399" _msttexthash="11289278" %)
1214	1214	LHT65N has two screws on the back, Unscrew them, and changing the battery inside is ok. The battery is a general CR17450 battery. Any brand should be ok.
1215	1215
1216		-[[image:image-20220515075440-2.png||_mstalt="429546" height="338" width="272"]][[image:image-20220515075625-3.png||_mstalt="431574" height="193" width="257"]]
	875	+[[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
1217	1217
1218		-== (% _msthash="494650" _msttexthash="462241" %)5.3 Battery Life Analyze(%%) ==
	877	+== 5.3 Battery Life Analyze ==
1219	1219
1220		-(((
1221		-(% _msthash="506266" _msttexthash="35479028" %)
1222	1222	Dragino battery-powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimated battery life:
1223	1223	https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
1224		-)))
1225	1225
1226		-= (% _msthash="183170" _msttexthash="163566" %)6. Order Info(%%) =
	882	+= 6. Order Info =
1227	1227
1228		-(((
1229		-(% _msthash="506267" _msttexthash="432432" %)
1230		-Part Number: (% style="color:#4f81bd" %)** LHT65N-XX-YY**
1231		-)))
	884	+Part Number: (% class="mark" %)**LHT65N-XX**
1232	1232
1233		-(((
1234		-(% _msthash="506268" _msttexthash="686946" %)
1235		-(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
1236		-)))
	886	+**XX**: The default frequency band
1237	1237
1238		-* (((
1239		-(% _msthash="903327" _msttexthash="393341" %)
1240		-(% style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
1241		-)))
1242		-* (((
1243		-(% _msthash="903328" _msttexthash="394576" %)
1244		-(% style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
1245		-)))
1246		-* (((
1247		-(% _msthash="903329" _msttexthash="393913" %)
1248		-(% style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
1249		-)))
1250		-* (((
1251		-(% _msthash="903330" _msttexthash="399087" %)
1252		-(% style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
1253		-)))
1254		-* (((
1255		-(% _msthash="903331" _msttexthash="395109" %)
1256		-(% style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
1257		-)))
1258		-* (((
1259		-(% _msthash="903332" _msttexthash="400842" %)
1260		-(% style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
1261		-)))
1262		-* (((
1263		-(% _msthash="903333" _msttexthash="396487" %)
1264		-(% style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
1265		-)))
1266		-* (((
1267		-(% _msthash="903334" _msttexthash="390923" %)
1268		-(% style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
1269		-)))
	888	+* **AS923**: LoRaWAN AS923 band
	889	+* **AU915**: LoRaWAN AU915 band
	890	+* **EU433**: LoRaWAN EU433 band
	891	+* **EU868**: LoRaWAN EU868 band
	892	+* **KR920**: LoRaWAN KR920 band
	893	+* **US915**: LoRaWAN US915 band
	894	+* **IN865**: LoRaWAN IN865 band
	895	+* **CN470**: LoRaWAN CN470 band
1270	1270
1271		-(((
1272		-(% _msthash="506269" _msttexthash="443495" %)
1273		-(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
1274		-)))
	897	+**YY**: Sensor Accessories
1275	1275
1276		-* (((
1277		-(% _msthash="903335" _msttexthash="720135" %)
1278		-(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
1279		-)))
	899	+* **E3**: External Temperature Probe
1280	1280
1281		-= (% _msthash="233363" _msttexthash="211237" %)7. Packing Info(%%) =
	901	+= 7. Packing Info =
1282	1282
1283		-(((
1284		-(% _msthash="506270" _msttexthash="295386" %)
1285	1285	**Package Includes**:
1286		-)))
1287	1287
1288		-* (((
1289		-(% _msthash="903336" _msttexthash="1033149" %)
1290		-LHT65N Temperature & Humidity Sensor x 1
1291		-)))
1292		-* (((
1293		-(% _msthash="903337" _msttexthash="242567" %)
1294		-Program cable x 1
1295		-)))
1296		-* (((
1297		-(% _msthash="903338" _msttexthash="544167" %)
1298		-Optional external sensor
1299		-)))
	905	+* LHT65N Temperature & Humidity Sensor x 1
	906	+* Program cable x 1
	907	+* Optional external sensor
1300	1300
1301		-(((
1302		-(% _msthash="506271" _msttexthash="403858" %)
1303	1303	**Dimension and weight**:
1304		-)))
1305	1305
1306		-* (((
1307		-(% _msthash="903339" _msttexthash="391807" %)
1308		-Device Size:  13.5 x 7 x 3 cm
1309		-)))
1310		-* (((
1311		-(% _msthash="903340" _msttexthash="285298" %)
1312		-Device Weight: 105g
1313		-)))
1314		-* (((
1315		-(% _msthash="903341" _msttexthash="562926" %)
1316		-Package Size / pcs : 14.5 x 8 x 5 cm
1317		-)))
1318		-* (((
1319		-(% _msthash="903342" _msttexthash="227084" %)
1320		-Weight / pcs : 170g
1321		-)))
	911	+* Device Size:  13.5 x 7 x 3 cm
	912	+* Device Weight: 105g
	913	+* Package Size / pcs : 14.5 x 8 x 5 cm
	914	+* Weight / pcs : 170g
1322	1322
1323		-= (% _msthash="198744" _msttexthash="178776" %)8. FCC Warning(%%) =
	916	+= 8. FCC Warning =
1324	1324
1325		-(((
1326		-(% _msthash="506272" _msttexthash="6034353" %)
1327	1327	This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1328		-)))
1329	1329
1330		-(((
1331		-(% _msthash="506273" _msttexthash="44097638" %)
1332	1332	(1) This device may not cause harmful interference；
1333		-)))
1334	1334
1335		-(((
1336		-(% _msthash="506274" _msttexthash="7559773" %)
1337	1337	(2) this device must accept any interference received, including interference that may cause undesired operation.
1338		-)))

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