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Details

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Author

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

Content

...	...	@@ -1,46 +1,54 @@
1	1	(% style="text-align:center" %)
2		-[[image:image-20220523115324-1.jpeg||height="500" width="500"]]
	2	+[[image:image-20220523115324-1.jpeg||_mstalt="469677" height="317" width="317"]]
3	3
4	4
5		-**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
	5	+(% _msthash="315237" _msttexthash="1697033" %)**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
6	6
7	7
8	8
9		-**Table of Contents：**
10	10
	10	+(% _msthash="315238" _msttexthash="18964465" %)**Table of Contents：**
	11	+
11	11	{{toc/}}
12	12
13	13
14	14
15		-= 1.Introduction =
16	16
17		-== 1.1 What is LHT65N Temperature & Humidity Sensor ==
	17	+= (% _msthash="277498" _msttexthash="253045" %)1. Introduction(%%) =
18	18
	19	+== (% _msthash="1532895" _msttexthash="1426958" %)1.1 What is LHT65N Temperature & Humidity Sensor(%%) ==
	20	+
19	19	(((
	22	+(% _msthash="506051" _msttexthash="24333127" %)
20	20	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**(%%)**.**
21	21	)))
22	22
23	23	(((
	27	+(% _msthash="506052" _msttexthash="66005810" %)
24	24	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.
25	25	)))
26	26
27	27	(((
	32	+(% _msthash="506053" _msttexthash="4298047" %)
28	28	LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
29	29	)))
30	30
31	31	(((
	37	+(% _msthash="506054" _msttexthash="6016374" %)
32	32	LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
33	33	)))
34	34
35	35	(((
	42	+(% _msthash="506055" _msttexthash="17023136" %)
36	36	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.
37	37	)))
38	38
39	39	(((
	47	+(% _msthash="506056" _msttexthash="5557097" %)
40	40	*The actual battery life depends on how often to send data, please see the battery analyzer chapter.
41	41	)))
42	42
43		-== 1.2 Features ==
	51	+== (% _msthash="182559" _msttexthash="163319" %)1.2 Features(%%) ==
44	44
45	45	* Wall mountable
46	46	* LoRaWAN v1.0.3 Class A protocol
...	...	@@ -54,73 +54,88 @@
54	54	* Tri-color LED to indicate working status
55	55	* Datalog feature
56	56
57		-== 1.3 Specification ==
	65	+== (% _msthash="323570" _msttexthash="297635" %)1.3 Specification(%%) ==
58	58
59	59	(((
60		-**Built-in Temperature Sensor:**
	68	+(% _msthash="506057" _msttexthash="671437" %)**Built-in Temperature Sensor:**
61	61	)))
62	62
63	63	* (((
	72	+(% _msthash="902993" _msttexthash="294424" %)
64	64	Resolution: 0.01 °C
65	65	)))
66	66	* (((
	76	+(% _msthash="902994" _msttexthash="690664" %)
67	67	Accuracy Tolerance : Typ ±0.3 °C
68	68	)))
69	69	* (((
	80	+(% _msthash="902995" _msttexthash="504647" %)
70	70	Long Term Drift: < 0.02 °C/yr
71	71	)))
72	72	* (((
	84	+(% _msthash="902996" _msttexthash="478257" %)
73	73	Operating Range: -40 ~~ 85 °C
74	74	)))
75	75
76	76	(((
77		-**Built-in Humidity Sensor:**
	89	+(% _msthash="506058" _msttexthash="544453" %)**Built-in Humidity Sensor:**
78	78	)))
79	79
80	80	* (((
	93	+(% _msthash="902997" _msttexthash="282438" %)
81	81	Resolution: 0.04 %RH
82	82	)))
83	83	* (((
	97	+(% _msthash="902998" _msttexthash="628771" %)
84	84	Accuracy Tolerance : Typ ±3 %RH
85	85	)))
86	86	* (((
	101	+(% _msthash="902999" _msttexthash="504647" %)
87	87	Long Term Drift: < 0.02 °C/yr
88	88	)))
89	89	* (((
	105	+(% _msthash="903000" _msttexthash="421291" %)
90	90	Operating Range: 0 ~~ 96 %RH
91	91	)))
92	92
93	93	(((
94		-**External Temperature Sensor:**
	110	+(% _msthash="506059" _msttexthash="680537" %)**External Temperature Sensor:**
95	95	)))
96	96
97	97	* (((
	114	+(% _msthash="903001" _msttexthash="332254" %)
98	98	Resolution: 0.0625 °C
99	99	)))
100	100	* (((
	118	+(% _msthash="903002" _msttexthash="782600" %)
101	101	±0.5°C accuracy from -10°C to +85°C
102	102	)))
103	103	* (((
	122	+(% _msthash="903003" _msttexthash="729482" %)
104	104	±2°C accuracy from -55°C to +125°C
105	105	)))
106	106	* (((
	126	+(% _msthash="903004" _msttexthash="592540" %)
107	107	Operating Range: -55 °C ~~ 125 °C
108	108	)))
109	109
110		-= 2. Connect LHT65N to IoT Server =
	130	+= (% _msthash="655759" _msttexthash="618618" %)2. Connect LHT65N to IoT Server(%%) =
111	111
112		-== 2.1 How does LHT65N work? ==
	132	+== (% _msthash="462371" _msttexthash="410332" %)2.1 How does LHT65N work?(%%) ==
113	113
114	114	(((
	135	+(% _msthash="506060" _msttexthash="28254538" %)
115	115	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.
116	116	)))
117	117
118	118	(((
	140	+(% _msthash="506061" _msttexthash="48200724" %)
119	119	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.
120	120	)))
121	121
122		-== 2.2 How to Activate LHT65N? ==
	144	+== (% _msthash="514384" _msttexthash="458666" %)2.2 How to Activate LHT65N?(%%) ==
123	123
	146	+(% _msthash="315239" _msttexthash="748241" %)
124	124	The LHT65N has two working modes:
125	125
126	126	* **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
...	...	@@ -127,840 +127,1189 @@
127	127	* **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.
128	128
129	129	(((
	153	+(% _msthash="506062" _msttexthash="6036823" %)
130	130	The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
131	131	)))
132	132
133		-[[image:image-20220515123819-1.png||height="379" width="317"]]
	157	+[[image:image-20220515123819-1.png||_mstalt="430742" height="379" width="317"]]
134	134
135		-(% border="1" style="background-color:#ffffcc; color:green; width:739px" %)
136		-|**Behavior on ACT**|**Function**|(% style="width:424px" %)**Action**
137		-|**Pressing ACT between 1s < time < 3s**|Test uplink status|(% style="width:424px" %)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.
138		-|**Pressing ACT for more than 3s**|Active Device|(% style="width:424px" %)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.
139		-|**Fast press ACT 5 times**|Deactivate Device|(% style="width:424px" %)red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
	159	+[[image:image-20220525110604-2.png||_mstalt="427531"]]
140	140
141		-== 2.3 Example to join LoRaWAN network ==
	161	+== (% _msthash="882726" _msttexthash="838526" %)2.3 Example to join LoRaWAN network(%%) ==
142	142
143		-(% class="wikigeneratedid" %)
	163	+(% _msthash="315240" _msttexthash="9205482" class="wikigeneratedid" %)
144	144	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.
145	145
146	146	(% class="wikigeneratedid" %)
147		-[[image:image-20220522232442-1.png||height="387" width="648"]]
	167	+[[image:image-20220522232442-1.png||_mstalt="427830" height="387" width="648"]]
148	148
	169	+(% _msthash="315241" _msttexthash="10802155" %)
149	149	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:
150	150
151	151
152		-=== 2.3.1 Step 1: Create Device n TTN ===
	173	+=== (% _msthash="670592" _msttexthash="634075" %)2.3.1 Step 1: Create Device n TTN(%%) ===
153	153
	175	+(% _msthash="315242" _msttexthash="1601782" %)
154	154	Create a device in TTN V3 with the OTAA keys from LHT65N.
155	155
	178	+(% _msthash="315243" _msttexthash="3694444" %)
156	156	Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
157	157
158		-[[image:image-20220522232812-2.png||height="219" width="279"]]
	181	+[[image:image-20220522232812-2.png||_mstalt="428467" height="219" width="279"]]
159	159
	183	+(% _msthash="315244" _msttexthash="3659149" %)
160	160	User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
161	161
	186	+(% _msthash="315245" _msttexthash="642889" %)
162	162	Add APP EUI in the application.
163	163
164		-[[image:image-20220522232916-3.png]]
	189	+[[image:image-20220522232916-3.png||_mstalt="430495"]]
165	165
	191	+[[image:image-20220522232932-4.png||_mstalt="430157"]]
166	166
167		-[[image:image-20220522232932-4.png]]
	193	+[[image:image-20220522232954-5.png||_mstalt="431847"]]
168	168
169		-
170		-[[image:image-20220522232954-5.png]]
171		-
	195	+(% _msthash="315246" _msttexthash="878800" %)
172	172	Note: LHT65N use same payload as LHT65.
173	173
174		-[[image:image-20220522233026-6.png]]
	198	+[[image:image-20220522233026-6.png||_mstalt="429403"]]
175	175
176	176
	201	+(% _msthash="315247" _msttexthash="595543" %)
177	177	Input APP EUI,  APP KEY and DEV EUI:
178	178
179		-[[image:image-20220522233118-7.png]]
	204	+[[image:image-20220522233118-7.png||_mstalt="430430"]]
180	180
181	181
182		-=== 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
	207	+=== (% _msthash="3537456" _msttexthash="3448549" %)2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds.(%%) ===
183	183
	209	+(% _msthash="315248" _msttexthash="14452321" %)
184	184	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.
185	185
186		-[[image:image-20220522233300-8.png||height="219" width="722"]]
	212	+[[image:image-20220522233300-8.png||_mstalt="428389" height="219" width="722"]]
187	187
188	188
189		-== 2.4 Uplink Payload ==
	215	+== (% _msthash="320879" _msttexthash="294970" %)2.4 Uplink Payload(%%) ==
190	190
	217	+(% _msthash="315249" _msttexthash="7722962" %)
191	191	The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
192	192
	220	+(% _msthash="315250" _msttexthash="1322711" %)
193	193	After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
194	194
	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	+)))
195	195
196		-(% border="1" style="width:605px" %)
197		-|(% style="width:106px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:183px" %)**2**|(% style="width:155.172px" %)**2**|(% style="width:49px" %)**1**|(% style="width:92px" %)**4**
198		-|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.2BAT-BatteryInfo]]|(% style="width:183px" %)(((
199		-[[Built In Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
200		-)))|(% style="width:155.172px" %)(((
201		-[[Built-in Humidity>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
202		-)))|(% style="width:49px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:92px" %)[[Ext value>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.6Extvalue]]
	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	+)))
203	203
204	204	* The First 6 bytes: has fix meanings for every LHT65N.
205	205	* The 7th byte (EXT #): defines the external sensor model.
206		-* 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.)
	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.)
207	207
208		-=== 2.4.1 Decoder in TTN V3 ===
	263	+=== (% _msthash="360269" _msttexthash="333762" %)2.4.1 Decoder in TTN V3(%%) ===
209	209
	265	+(% _msthash="315251" _msttexthash="9786491" %)
210	210	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.
211	211
	268	+(% _msthash="315252" _msttexthash="3928483" %)
212	212	Below is the position to put the decoder and LHT65N decoder can be download from here:
213	213
214		-[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
	271	+[[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064"]]
215	215
216		-[[image:image-20220522234118-10.png||height="353" width="729"]]
	273	+[[image:image-20220522234118-10.png||_mstalt="451464" height="353" width="729"]]
217	217
218		-=== 2.4.2 BAT-Battery Info ===
	275	+=== (% _msthash="411411" _msttexthash="383656" %)2.4.2 BAT-Battery Info(%%) ===
219	219
	277	+(% _msthash="315254" _msttexthash="3122912" %)
220	220	These two bytes of BAT include the battery state and the actually voltage
221	221
222		-(% border="1" style="width:508px" %)
223		-|(% style="width:75px" %)Bit(bit)|(% style="width:268px" %)[15:14]|(% style="width:162px" %)[13:0]
224		-|(% style="width:75px" %)Value|(% style="width:268px" %)(((
225		-BAT Status
	280	+[[image:image-20220523152839-18.png||_mstalt="457613"]]
226	226
227		-00(b): Ultra Low ( BAT <= 2.50v)
	282	+[[image:image-20220522235639-1.png||_mstalt="431392" height="139" width="727"]]
228	228
229		-01(b): Low  (2.50v <=BAT <= 2.55v)
230		-
231		-10(b): OK   (2.55v <= BAT <=2.65v)
232		-
233		-11(b): Good   (BAT >= 2.65v)
234		-)))|(% style="width:162px" %)Actually BAT voltage
235		-
236		-[[image:image-20220522235639-1.png]]
237		-
	284	+(% _msthash="315255" _msttexthash="871611" %)
238	238	Check the battery voltage for LHT65N.
239	239
240	240	* BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
241	241	* Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
242	242
243		-=== 2.4.3 Built-in Temperature ===
	290	+=== (% _msthash="600769" _msttexthash="565838" %)2.4.3 Built-in Temperature(%%) ===
244	244
245		-[[image:image-20220522235639-2.png]]
	292	+[[image:image-20220522235639-2.png||_mstalt="431756" height="138" width="722"]]
246	246
247	247	* Temperature:  0x0ABB/100=27.47℃
248	248
249		-[[image:image-20220522235639-3.png]]
	296	+[[image:image-20220522235639-3.png||_mstalt="432120"]]
250	250
251	251	* Temperature:  (0xF5C6-65536)/100=-26.18℃
252	252
253		-=== 2.4.4 Built-in Humidity ===
	300	+=== (% _msthash="475891" _msttexthash="445120" %)2.4.4 Built-in Humidity(%%) ===
254	254
255		-[[image:image-20220522235639-4.png]]
	302	+[[image:image-20220522235639-4.png||_mstalt="432484" height="138" width="722"]]
256	256
257	257	* Humidity:    0x025C/10=60.4%
258	258
259		-=== 2.4.5 Ext # ===
	306	+=== (% _msthash="116532" _msttexthash="87958" %)2.4.5 Ext #(%%) ===
260	260
	308	+(% _msthash="315256" _msttexthash="552240" %)
261	261	Bytes for External Sensor:
262	262
263		-(% style="width:624px" %)
264		-|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
265		-|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
266		-|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
	311	+[[image:image-20220523152822-17.png||_mstalt="454545"]]
267	267
268		-=== 2.4.6 Ext value ===
	313	+=== (% _msthash="221429" _msttexthash="200655" %)2.4.6 Ext value(%%) ===
269	269
270		-==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
	315	+==== (% _msthash="1005901" _msttexthash="877578" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
271	271
272		-[[image:image-20220522235639-5.png]]
	317	+[[image:image-20220522235639-5.png||_mstalt="432848"]]
273	273
274	274	* DS18B20 temp=0x0ADD/100=27.81℃
275	275
	321	+(% _msthash="315257" _msttexthash="1038479" %)
276	276	The last 2 bytes of data are meaningless
277	277
278		-[[image:image-20220522235639-6.png]]
	324	+[[image:image-20220522235639-6.png||_mstalt="433212"]]
279	279
280	280	* External temperature= (0xF54F-65536)/100=-27.37℃
281	281
	328	+(((
	329	+(% _msthash="506063" _msttexthash="1038479" %)
282	282	The last 2 bytes of data are meaningless
	331	+)))
283	283
	333	+(((
	334	+(% _msthash="506064" _msttexthash="21185632" %)
284	284	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	+)))
285	285
286	286
287		-==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
	339	+==== (% _msthash="1389752" _msttexthash="1234766" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
288	288
	341	+(% _msthash="315258" _msttexthash="41539368" %)
289	289	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:
290	290
	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	+)))
291	291
292		-(% border="1" style="width:697px" %)
293		-|(% 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**
294		-|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
295		-[[Built-In>>path:#SHT20_Temperature]]
	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	+)))
296	296
297		-[[Temperature>>path:#SHT20_Temperature]]
298		-)))|(% style="width:106px" %)(((
299		-[[BAT Status &>>path:#BAT_Humidity]]
300		-
301		-[[Built-in>>path:#BAT_Humidity]]
302		-
303		-[[Humidity>>path:#BAT_Humidity]]
304		-)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
305		-[[Unix>>path:#Unix_Time_Stamp]]
306		-
307		-[[Time Stamp>>path:#Unix_Time_Stamp]]
	376	+(((
	377	+[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181"]]
308	308	)))
	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	+)))
309	309
310		-* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
	388	+* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
311	311
312		-(% border="1" style="width:587px" %)
313		-|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
314		-|Value|(% style="width:280px" %)(((
	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" %)
315	315	BAT Status
316	316
	396	+(% _msthash="1817498" _msttexthash="472784" %)
317	317	00(b): Ultra Low ( BAT <= 2.50v)
318	318
	399	+(% _msthash="1817499" _msttexthash="483678" %)
319	319	01(b): Low  (2.50v <=BAT <= 2.55v)
320	320
	402	+(% _msthash="1817500" _msttexthash="440791" %)
321	321	10(b): OK   (2.55v <= BAT <=2.65v)
322	322
	405	+(% _msthash="1817501" _msttexthash="334191" %)
323	323	11(b): Good   (BAT >= 2.65v)
324		-)))|(% style="width:136px" %)(((
325		-[[Built-in Humidity>>path:#SHT20_Humidity]]
	407	+)))|(% style="width:134px" %)(((
	408	+[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181"]]
326	326
327	327
328	328	)))
329	329
330		-* **Status & Ext Byte**
	413	+* (% _msthash="504956" _msttexthash="245037" %)**Status & Ext Byte**
331	331
332		-(% border="1" style="width:732px" %)
333		-|(% 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]**
334		-|(% 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" %)(((
335		-Ext:
	415	+[[image:image-20220523152434-16.png||_mstalt="453921"]]
336	336
337		-0b(1001)
338		-)))
339		-
340	340	* Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
341	341	* 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.
342	342	* 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)
343	343
344		-== 2.5 Show data on Datacake ==
	421	+== (% _msthash="487097" _msttexthash="454818" %)2.5 Show data on Datacake(%%) ==
345	345
	423	+(% _msthash="315259" _msttexthash="20933341" %)
346	346	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:
347	347
	426	+(((
	427	+(% _msthash="506065" _msttexthash="4753983" %)
348	348	**Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
	429	+)))
349	349
	431	+(((
	432	+(% _msthash="506066" _msttexthash="14696682" %)
350	350	**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	+)))
351	351
352		-
	436	+(((
	437	+(% _msthash="506067" _msttexthash="180297" %)
353	353	Add Datacake:
	439	+)))
354	354
355		-[[image:image-20220523000825-7.png||height="262" width="583"]]
	441	+[[image:image-20220523000825-7.png||_mstalt="429884" height="262" width="583"]]
356	356
357	357
	444	+(% _msthash="315260" _msttexthash="750178" %)
358	358	Select default key as Access Key:
359	359
360		-[[image:image-20220523000825-8.png||height="453" width="406"]]
	447	+[[image:image-20220523000825-8.png||_mstalt="430248" height="453" width="406"]]
361	361
362		-
	449	+(% _msthash="315261" _msttexthash="2134964" %)
363	363	In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
364	364
365		-[[image:image-20220523000825-9.png||height="366" width="392"]]
	452	+[[image:image-20220523000825-9.png||_mstalt="430612" height="366" width="392"]]
366	366
	454	+[[image:image-20220523000825-10.png||_mstalt="450619" height="413" width="728"]]
367	367
	456	+== (% _msthash="350454" _msttexthash="323544" %)2.6 Datalog Feature(%%) ==
368	368
369		-[[image:image-20220523000825-10.png||height="432" width="762"]]
	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.
370	370
	461	+=== (% _msthash="886158" _msttexthash="842426" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
371	371
372		-== 2.6 Datalog Feature ==
	463	+(% _msthash="315263" _msttexthash="409604" %)
	464	+There are two methods:
373	373
374		-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.
	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.
375	375
376		-=== 2.6.1 Unix TimeStamp ===
	469	+=== (% _msthash="369915" _msttexthash="342797" %)2.6.2 Unix TimeStamp(%%) ===
377	377
	471	+(% _msthash="315264" _msttexthash="1182285" %)
378	378	LHT65N uses Unix TimeStamp format based on
379	379
380		-[[image:image-20220523001219-11.png||height="97" width="627"]]
	474	+[[image:image-20220523001219-11.png||_mstalt="450450" height="97" width="627"]]
381	381
382	382
	477	+(((
	478	+(% _msthash="506068" _msttexthash="2717234" %)
383	383	User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
	480	+)))
384	384
	482	+(((
	483	+(% _msthash="506069" _msttexthash="709813" %)
385	385	Below is the converter example
	485	+)))
386	386
387		-[[image:image-20220523001219-12.png||height="302" width="730"]]
	487	+[[image:image-20220523001219-12.png||_mstalt="450827" height="298" width="720"]]
388	388
	489	+(% _msthash="315265" _msttexthash="15137317" %)
389	389	So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
390	390
	492	+=== (% _msthash="359294" _msttexthash="332748" %)2.6.3 Set Device Time(%%) ===
391	391
392		-=== 2.6.2 Set Device Time ===
393		-
	494	+(((
	495	+(% _msthash="506070" _msttexthash="4521946" %)
394	394	There are two ways to set device’s time:
	497	+)))
395	395
396		-**~1. Through LoRaWAN MAC Command (Default settings)**
	499	+(((
	500	+(% _msthash="506071" _msttexthash="1498471" %)**1. Through LoRaWAN MAC Command (Default settings)**
	501	+)))
397	397
	503	+(((
	504	+(% _msthash="506072" _msttexthash="2126267" %)
398	398	User need to set SYNCMOD=1 to enable sync time via MAC command.
	506	+)))
399	399
	508	+(((
	509	+(% _msthash="506073" _msttexthash="54430324" %)
400	400	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	+)))
401	401
	513	+(((
	514	+(% _msthash="506074" _msttexthash="92531127" %)
402	402	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	+)))
403	403
	518	+(((
	519	+
	520	+)))
404	404
405		-**2. Manually Set Time**
	522	+(((
	523	+(% _msthash="506075" _msttexthash="329719" %)**2. Manually Set Time**
	524	+)))
406	406
	526	+(((
	527	+(% _msthash="506076" _msttexthash="7889297" %)
407	407	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	+)))
408	408
	531	+=== (% _msthash="460759" _msttexthash="430001" %)2.6.4 Poll sensor value(%%) ===
409	409
410		-=== 2.6.3 Poll sensor value ===
411		-
	533	+(% _msthash="315266" _msttexthash="4955821" %)
412	412	User can poll sensor value based on timestamps from the server. Below is the downlink command.
413	413
	536	+[[image:image-20220523152302-15.png||_mstalt="451581"]]
414	414
415		-(% border="1" style="width:454px" %)
416		-|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
417		-|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
418		-
	538	+(((
	539	+(% _msthash="506077" _msttexthash="14670916" %)
419	419	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	+)))
420	420
	543	+(((
	544	+For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% style="display:none" %)
	545	+)))
421	421
422		-For example, downlink command 31 5FC5F350 5FC6 0160 05
423		-
	547	+(((
	548	+(% _msthash="506078" _msttexthash="6907459" %)
424	424	Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
	550	+)))
425	425
	552	+(((
	553	+(% _msthash="506079" _msttexthash="23531573" %)
426	426	Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
	555	+)))
427	427
428	428
429		-=== 2.6.4 Datalog Uplink payload ===
	558	+=== (% _msthash="650923" _msttexthash="614185" %)2.6.5 Datalog Uplink payload(%%) ===
430	430
	560	+(% _msthash="315267" _msttexthash="2245087" %)
431	431	The Datalog poll reply uplink will use below payload format.
432	432
	563	+(((
	564	+(% _msthash="506080" _msttexthash="451581" %)**Retrieval data payload**
	565	+)))
433	433
434		-Retrieval data payload
	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	+)))
435	435
436		-(% border="1" %)
437		-|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
438		-|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
439		-[[Built-In>>path:#SHT20_Temperature]]
	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	+)))
440	440
441		-[[Temperature>>path:#SHT20_Temperature]]
442		-)))|(((
443		-[[Built-in>>path:#SHT20_Humidity]]
	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	+)))
444	444
445		-[[Humidity>>path:#SHT20_Humidity]]
446		-)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
447		-[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
448		-
	637	+(((
	638	+(((
449	449
450	450	)))
	641	+)))
	642	+)))
451	451
452		-Poll message flag & Ext
	644	+(% _msthash="315268" _msttexthash="390390" %)**Poll message flag & Ext**
453	453
	646	+[[image:image-20220523152208-14.png||_mstalt="452920"]]
454	454
455		-(% border="1" %)
456		-|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
457		-|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
458		-Ext:
	648	+(((
	649	+(((
	650	+(% _msthash="736723" _msttexthash="2005003" %)
	651	+Poll Message Flag: 1: This message is a poll message reply.
	652	+)))
	653	+)))
459	459
460		-0b(1001)
	655	+* (((
	656	+(((
	657	+(% _msthash="1197157" _msttexthash="561548" %)
	658	+Poll Message Flag is set to 1.
461	461	)))
	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	+)))
462	462
463		-Poll Message Flag: 1: This message is a poll message reply.
464		-
465		-* Poll Message Flag is set to 1.
466		-* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
467		-
	668	+(((
	669	+(((
	670	+(% _msthash="736724" _msttexthash="2242344" %)
468	468	For example, in US915 band, the max payload for different DR is:
	672	+)))
	673	+)))
469	469
470		-a)      DR0: max is 11 bytes so one entry of data
	675	+(((
	676	+(((
	677	+(% _msthash="736725" _msttexthash="1065532" %)
	678	+a) DR0: max is 11 bytes so one entry of data
	679	+)))
	680	+)))
471	471
472		-b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
	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	+)))
473	473
474		-c)      DR2: total payload includes 11 entries of data
	689	+(((
	690	+(((
	691	+(% _msthash="736727" _msttexthash="1454115" style="text-align: left;" %)
	692	+c) DR2: total payload includes 11 entries of data
	693	+)))
	694	+)))
475	475
476		-d)      DR3: total payload includes 22 entries of data.
	696	+(((
	697	+(((
	698	+(% _msthash="736728" _msttexthash="1483924" style="text-align: left;" %)
	699	+d) DR3: total payload includes 22 entries of data.
	700	+)))
	701	+)))
477	477
	703	+(((
	704	+(((
	705	+(% _msthash="736729" _msttexthash="5848349" style="text-align: left;" %)
478	478	If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0
	707	+)))
	708	+)))
479	479
480	480
481		-**Example:**
	711	+(% style="text-align: left;" %)
	712	+(% _msthash="315269" _msttexthash="104767" %)**Example:**
482	482
	714	+(% _msthash="315270" _msttexthash="913822" style="text-align: left;" %)
483	483	If LHT65N has below data inside Flash:
484	484
485		-Flash Addr   |Unix Time | Ext | BAT voltage|  Value
	717	+[[image:image-20220523144455-1.png||_mstalt="430040" height="335" width="735"]]
486	486
487		-80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
	719	+(((
	720	+(% _msthash="506081" _msttexthash="1663961" style="text-align: left;" %)
	721	+If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
	722	+)))
488	488
489		-80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
490		-
491		-8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
492		-
493		-8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
494		-
495		-8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
496		-
497		-8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
498		-
499		-8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
500		-
501		-8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
502		-
503		-
504		-If user sends below downlink command:
505		-
506		-3160065F9760066DA705
507		-
	724	+(((
	725	+(% _msthash="506082" _msttexthash="1092494" style="text-align: left;" %)
508	508	Where : Start time: 60065F97 = time 21/1/19 04:27:03
	727	+)))
509	509
	729	+(((
	730	+(% _msthash="506083" _msttexthash="737269" style="text-align: left;" %)
510	510	Stop time 60066DA7= time 21/1/19 05:27:03
	732	+)))
511	511
	734	+(((
	735	+
	736	+)))
512	512
	738	+(((
	739	+(% _msthash="506084" _msttexthash="751218" style="text-align: left;" %)
513	513	LHT65N will uplink this payload.
	741	+)))
514	514
515		-[[image:image-20220523001219-13.png||height="421" width="727"]]
	743	+[[image:image-20220523001219-13.png||_mstalt="451204" height="421" style="text-align:left" width="727"]]
516	516
	745	+(% _msthash="315271" _msttexthash="12012546" style="text-align: left;" %)
517	517	7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
518	518
519		-Where the first 11 bytes is for the first entry:
	748	+(% _msthash="315272" _msttexthash="1656720" style="text-align: left;" %)
	749	+where the first 11 bytes represent the first entry:
520	520
	751	+(% _msthash="315273" _msttexthash="274846" style="text-align: left;" %)
521	521	7FFF089801464160065F97
522	522
523		-Ext sensor data=0x7FFF/100=327.67
	754	+(% _msthash="315274" _msttexthash="838786" style="text-align: left;" %)
	755	+External sensor data = 0x7FFF/100 = 327.67
524	524
525		-Temp=0x0898/100=22.00
	757	+(% _msthash="315275" _msttexthash="497666" style="text-align: left;" %)
	758	+temperature = 0x0898 / 100 = 22.00
526	526
527		-Hum=0x0146/10=32.6
	760	+(% _msthash="315276" _msttexthash="242424" style="text-align: left;" %)
	761	+buzz = 0x0146/10 = 32.6
528	528
529		-poll message flag & Ext=0x41,means reply data,Ext=1
	763	+(% _msthash="315277" _msttexthash="2633449" style="text-align: left;" %)
	764	+The polling message flag & Ext=0x41, indicating the reply data, Ext=1
530	530
531		-Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
	766	+(% _msthash="315278" _msttexthash="1274962" style="text-align: left;" %)
	767	+The Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
532	532
533	533
534		-== 2.7 Alarm Mode ==
	770	+(% style="text-align: left;" %)
	771	+== (% _msthash="244504" _msttexthash="188136" %)2.7 alarm mode(%%) ==
535	535
536		-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.
	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.
537	537
	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	+)))
538	538
539		-Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
	781	+(% style="text-align: left;" %)
	782	+(% _msthash="315280" _msttexthash="363480" %)**AT COMMAND FOR ALARM MODE:**
540	540
	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)
541	541
542		-AT Commands for Alarm mode:
	789	+(% _msthash="506087" _msttexthash="3671265" style="text-align: left;" %)
	790	+(% _istranslated="1" %)**AT+CITEMP=1**(%%): The interval between checking the alarm temperature. (In minutes)
543	543
544		-**AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
	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
545	545
546		-**AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
	795	+(% style="text-align: left;" %)
	796	+(% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%): Gets the alarm range of the internal temperature sensor(% style="display:none" %)
547	547
	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	+)))
548	548
	802	+== ==
549	549
550		-== 2.8 LED Indicator ==
	804	+(% style="text-align: left;" %)
	805	+== (% _msthash="168103" _msttexthash="59969" %)2.8 led(%%) ==
551	551
552		-The LHT65N has a triple color LED which for easy shows different stage.
	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	+)))
553	553
554		-While pressing ACT button, the LED will work as per LED status with ACT button.
	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	+)))
555	555
556		-In a normal working state:
	817	+(((
	818	+(% _msthash="506092" _msttexthash="934024" style="text-align: left;" %)
	819	+under normal operating conditions:
	820	+)))
557	557
558		-* For each uplink, the BLUE LED or RED LED will blink once.
559		-* BLUE LED when an external sensor is connected
560		-* RED LED when an external sensor is not connected
561		-* For each success downlink, the PURPLE LED will blink once
	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	+)))
562	562
563	563	----
564	564
565		-== 2.9 Installation ==
	841	+(% style="text-align: left;" %)
	842	+== (% _msthash="112034" _msttexthash="277511" %)2.9 installation(%%) ==
566	566
567		-[[image:image-20220516231650-1.png||height="436" width="428"]]
	844	+[[image:image-20220516231650-1.png||_mstalt="428597" height="436" width="428"]]
568	568
569		-= 3. Sensors & Accessories =
	846	+(% style="text-align: left;" %)
	847	+= (% _msthash="401388" _msttexthash="566956" %)3. sensors and accessories(%%) =
570	570
571		-== 3.1 E3 Temperature Probe ==
	849	+(% style="text-align: left;" %)
	850	+== (% _msthash="280358" _msttexthash="340158" %)3.1 E3 TEMPERATURE PROBE(%%) ==
572	572
573		-[[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
	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"]]
574	574
575	575
576		-With Temperature sensor with 2 meters cable long
	855	+(% _msthash="315354" _msttexthash="1093430" style="text-align: left;" %)
	856	+temperature sensor with 2 m cable length
577	577
578		-* Resolution: 0.0625 °C
579		-* ±0.5°C accuracy from -10°C to +85°C
580		-* ±2°C accuracy from -55°C to +125°C
581		-* Operating Range: -40 ~~ 125 °C
582		-* -55°C to 125°C
583		-* Working voltage 2.35v ~~ 5v
	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
584	584
585		-= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
	865	+(% style="text-align: left;" %)
	866	+= (% _msthash="1940107" _msttexthash="1714063" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
586	586
	868	+(((
	869	+(% _msthash="506246" _msttexthash="2005926" style="text-align: left;" %)
587	587	Use can configure LHT65N via AT Command or LoRaWAN Downlink.
	871	+)))
588	588
589		-* AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
590		-* LoRaWAN Downlink instruction for different platforms:
	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	+)))
591	591
592		-[[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]]
	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	+)))
593	593
	887	+(((
	888	+(% _msthash="506248" _msttexthash="2144051" style="text-align: left;" %)
594	594	There are two kinds of commands to configure LHT65N, they are:
	890	+)))
595	595
596		-* **General Commands**.
	892	+(((
	893	+(% style="text-align: left;" %)
	894	+(% _msthash="506249" _msttexthash="317850" style="color:#4f81bd" %)* **General Commands**.
	895	+)))
597	597
	897	+(((
	898	+(% _msthash="506250" _msttexthash="774527" style="text-align: left;" %)
598	598	These commands are to configure:
	900	+)))
599	599
600		-* General system settings like: uplink interval.
601		-* LoRaWAN protocol & radio-related commands.
	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	+)))
602	602
	911	+(((
	912	+(% _msthash="506251" _msttexthash="8343023" style="text-align: left;" %)
603	603	They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
	914	+)))
604	604
605		-[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
	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	+)))
606	606
607		-* **Commands special design for LHT65N**
	921	+(((
	922	+(% style="text-align: left;" %)
	923	+(% style="color:#4f81bd" %)* (% _msthash="506253" _msttexthash="792038" %)**Commands special design for LHT65N**
	924	+)))
608	608
	926	+(((
	927	+(% _msthash="506254" _msttexthash="1501357" style="text-align: left;" %)
609	609	These commands are only valid for LHT65N, as below:
	929	+)))
610	610
611		-== 4.1 Set Transmit Interval Time ==
	931	+(% style="text-align: left;" %)
	932	+== (% _msthash="708253" _msttexthash="668772" %)4.1 Set Transmit Interval Time(%%) ==
612	612
	934	+(% _msthash="315355" _msttexthash="1659268" style="text-align: left;" %)
613	613	Feature: Change LoRaWAN End Node Transmit Interval.
614	614
615		-**AT Command: AT+TDC**
	937	+(% style="text-align: left;" %)
	938	+(% _msthash="315356" _msttexthash="241696" %)**AT Command: AT+TDC**
616	616
617		-(% border="1" %)
618		-|**Command Example**|**Function**|**Response**
619		-|AT+TDC?|Show current transmit Interval|(((
620		-30000
	940	+[[image:image-20220523150701-2.png||_mstalt="427453"]]
621	621
622		-OK
623		-
624		-the interval is 30000ms = 30s
	942	+(((
	943	+(% style="text-align: left;" %)
	944	+(% _msthash="506255" _msttexthash="381992" %)**Downlink Command: 0x01**
625	625	)))
626		-|AT+TDC=60000|Set Transmit Interval|(((
627		-OK
628	628
629		-Set transmit interval to 60000ms = 60 seconds
	947	+(((
	948	+(% _msthash="506256" _msttexthash="1996592" style="text-align: left;" %)
	949	+Format: Command Code (0x01) followed by 3 bytes time value.
630	630	)))
631	631
632		-**Downlink Command: 0x01**
633		-
634		-Format: Command Code (0x01) followed by 3 bytes time value.
635		-
	952	+(((
	953	+(% _msthash="506257" _msttexthash="12934649" style="text-align: left;" %)
636	636	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	955	+)))
637	637
638		-* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
639		-* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	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	+)))
640	640
641		-== 4.2 Set External Sensor Mode ==
	966	+(% style="text-align: left;" %)
	967	+== (% _msthash="614770" _msttexthash="578240" %)4.2 Set External Sensor Mode(%%) ==
642	642
	969	+(% _msthash="315357" _msttexthash="975117" style="text-align: left;" %)
643	643	Feature: Change External Sensor Mode.
644	644
645		-**AT Command: AT+EXT**
	972	+(% style="text-align: left;" %)
	973	+(% _msthash="315358" _msttexthash="248118" %)**AT Command: AT+EXT**
646	646
647		-(% border="1" %)
648		-|**Command Example**|**Function**|**Response**
649		-|AT+EXT?|Get current external sensor mode|(((
650		-1
	975	+[[image:image-20220523150759-3.png||_mstalt="432146"]]
651	651
652		-OK
653		-
654		-External Sensor mode =1
	977	+(((
	978	+(% style="text-align: left;" %)
	979	+(% _msthash="506258" _msttexthash="387855" %)**Downlink Command: 0xA2**
655	655	)))
656		-|AT+EXT=1|(% colspan="2" %)Set external sensor mode to 1
657		-|AT+EXT=9|(% colspan="2" %)Set to external DS18B20 with timestamp
658	658
659		-**Downlink Command: 0xA2**
660		-
	982	+(((
	983	+(% _msthash="506259" _msttexthash="395629" style="text-align: left;" %)
661	661	Total bytes: 2 ~~ 5 bytes
	985	+)))
662	662
663		-Example:
	987	+(((
	988	+(% _msthash="506260" _msttexthash="104767" %)**Example:**
	989	+)))
664	664
665		-* 0xA201: Set external sensor type to E1
666		-* 0xA209: Same as AT+EXT=9
667		-* 0xA20702003c,Same as AT+SETCNT=60
	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	+)))
668	668
669		-== 4.3 Enable/Disable uplink Temperature probe ID ==
	1004	+(% style="text-align: left;" %)
	1005	+== (% _msthash="1562483" _msttexthash="1445717" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
670	670
	1007	+(% _msthash="315359" _msttexthash="2977572" style="text-align: left;" %)
671	671	Feature: If PID is enabled, device will send the temperature probe ID on:
672	672
673	673	* First Packet after OTAA Join
674	674	* Every 24 hours since the first packet.
675	675
	1013	+(% _msthash="315360" _msttexthash="658814" style="text-align: left;" %)
676	676	PID is default set to disable (0)
677	677
	1016	+(% style="text-align: left;" %)
	1017	+(% _msthash="315361" _msttexthash="137488" %)**AT Command:**
678	678
679		-**AT Command:**
	1019	+[[image:image-20220523150928-4.png||_mstalt="431821"]]
680	680
681		-(% border="1" %)
682		-|**Command Example**|**Function**|**Response**
683		-|AT+PID=1|Enable PID uplink|OK
	1021	+(% style="text-align: left;" %)
	1022	+(% _msthash="315362" _msttexthash="298038" %)**Downlink Command:**
684	684
685		-**Downlink Command:**
	1024	+* 0xA800  **~-~->** AT+PID=0
	1025	+* 0xA801     **~-~->** AT+PID=1
686	686
687		-* 0xA800     à AT+PID=0
688		-* 0xA801     à AT+PID=1
	1027	+(% style="text-align: left;" %)
	1028	+== (% _msthash="266344" _msttexthash="242879" %)4.4 Set Password(%%) ==
689	689
690		-== 4.4 Set Password ==
691		-
	1030	+(% _msthash="315363" _msttexthash="1170728" style="text-align: left;" %)
692	692	Feature: Set device password, max 9 digits
693	693
694		-**AT Command: AT+PWORD**
	1033	+(% style="text-align: left;" %)
	1034	+(% _msthash="315364" _msttexthash="295009" %)**AT Command: AT+PWORD**
695	695
696		-(% border="1" %)
697		-|**Command Example**|**Function**|**Response**
698		-|AT+PWORD=?|Show password|(((
699		-123456
	1036	+[[image:image-20220523151052-5.png||_mstalt="428623"]]
700	700
701		-
702		-OK
	1038	+(((
	1039	+(% style="text-align: left;" %)
	1040	+(% _msthash="506261" _msttexthash="298038" %)**Downlink Command:**
703	703	)))
704		-|AT+PWORD=999999|Set password|OK
705	705
706		-**Downlink Command:**
707		-
	1043	+(((
	1044	+(% _msthash="506262" _msttexthash="974311" style="text-align: left;" %)
708	708	No downlink command for this feature.
	1046	+)))
709	709
710		-== 4.5 Quit AT Command ==
	1048	+(% style="text-align: left;" %)
	1049	+== (% _msthash="306956" _msttexthash="281918" %)4.5 Quit AT Command(%%) ==
711	711
	1051	+(% _msthash="315365" _msttexthash="4616456" style="text-align: left;" %)
712	712	Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
713	713
714		-**AT Command: AT+DISAT**
	1054	+(% style="text-align: left;" %)
	1055	+(% _msthash="315366" _msttexthash="289120" %)**AT Command: AT+DISAT**
715	715
716		-(% border="1" %)
717		-|**Command Example**|**Function**|**Response**
718		-|AT+DISAT|Quit AT Commands mode|OK
	1057	+[[image:image-20220523151132-6.png||_mstalt="428649"]]
719	719
720		-**Downlink Command:**
	1059	+(% style="text-align: left;" %)
	1060	+(% _msthash="315367" _msttexthash="298038" %)**Downlink Command:**
721	721
	1062	+(% _msthash="315368" _msttexthash="974311" style="text-align: left;" %)
722	722	No downlink command for this feature.
723	723
	1065	+(% style="text-align: left;" %)
	1066	+== (% _msthash="362752" _msttexthash="334919" %)4.6 Set to sleep mode(%%) ==
724	724
725		-== 4.6 Set to sleep mode ==
726		-
	1068	+(% _msthash="315369" _msttexthash="779688" style="text-align: left;" %)
727	727	Feature: Set device to sleep mode
728	728
729		-**AT Command: AT+SLEEP**
	1071	+(% style="text-align: left;" %)
	1072	+(% _msthash="315370" _msttexthash="289783" %)**AT Command: AT+SLEEP**
730	730
731		-(% border="1" %)
732		-| | |
733		-|**Command Example**|**Function**|**Response**
734		-|AT+SLEEP|Set to sleep mode|(((
735		-Clear all stored sensor data…
	1074	+[[image:image-20220523151218-7.png||_mstalt="430703"]]
736	736
737		-OK
738		-)))
	1076	+(% _msthash="315371" _msttexthash="298038" %)**Downlink Command:**
739	739
740		-**Downlink Command:**
741		-
742	742	* There is no downlink command to set to Sleep mode.
743	743
744		-== 4.7 Set system time ==
	1080	+== (% _msthash="336557" _msttexthash="309712" %)4.7 Set system time(%%) ==
745	745
746		-Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
	1082	+(% _msthash="315372" _msttexthash="2565524" %)
	1083	+Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
747	747
748		-**AT Command:**
	1085	+(% _msthash="315373" _msttexthash="137488" %)**AT Command:**
749	749
750		-(% border="1" %)
751		-|**Command Example**|**Function**
752		-|AT+TIMESTAMP=1611104352|(((
753		-OK
	1087	+[[image:image-20220523151253-8.png||_mstalt="430677"]]
754	754
755		-Set System time to 2021-01-20 00:59:12
756		-)))
	1089	+(% _msthash="315374" _msttexthash="298038" %)**Downlink Command:**
757	757
758		-**Downlink Command:**
759		-
	1091	+(% _msthash="315375" _msttexthash="2898571" %)
760	760	0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
761	761
762		-== 4.8 Set Time Sync Mode ==
	1094	+== (% _msthash="376779" _msttexthash="348712" %)4.8 Set Time Sync Mode(%%) ==
763	763
	1096	+(((
	1097	+(% _msthash="506263" _msttexthash="11748321" %)
764	764	Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
	1099	+)))
765	765
	1101	+(((
	1102	+(% _msthash="506264" _msttexthash="6530264" %)
766	766	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	+)))
767	767
	1106	+(((
	1107	+(% _msthash="506265" _msttexthash="137488" %)**AT Command:**
	1108	+)))
768	768
769		-**AT Command:**
	1110	+[[image:image-20220523151336-9.png||_mstalt="431717"]]
770	770
771		-|**Command Example**|**Function**
772		-|AT+SYNCMOD=1|Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
	1112	+(% _msthash="315376" _msttexthash="298038" %)**Downlink Command:**
773	773
774		-**Downlink Command:**
775		-
	1114	+(% _msthash="315377" _msttexthash="479648" %)
776	776	0x28 01 ~/~/ Same As AT+SYNCMOD=1
777	777
	1117	+(% _msthash="315378" _msttexthash="479076" %)
778	778	0x28 00 ~/~/ Same As AT+SYNCMOD=0
779	779
780		-== 4.9 Set Time Sync Interval ==
	1120	+== (% _msthash="536432" _msttexthash="502528" %)4.9 Set Time Sync Interval(%%) ==
781	781
	1122	+(% _msthash="315379" _msttexthash="3065777" %)
782	782	Feature: Define System time sync interval. SYNCTDC default value: 10 days.
783	783
784		-**AT Command:**
	1125	+(% _msthash="315380" _msttexthash="137488" %)**AT Command:**
785	785
786		-(% border="1" %)
787		-|**Command Example**|**Function**
788		-|AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
	1127	+[[image:image-20220523151411-10.png||_mstalt="449696"]]
789	789
790		-**Downlink Command:**
	1129	+(% _msthash="315381" _msttexthash="298038" %)**Downlink Command:**
791	791
	1131	+(% _msthash="315382" _msttexthash="590044" %)
792	792	0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
793	793
794		-== 4.10 Print data entries base on page. ==
	1134	+== (% _msthash="927901" _msttexthash="882570" %)4.10 Print data entries base on page.(%%) ==
795	795
	1136	+(% _msthash="315383" _msttexthash="3233334" %)
796	796	Feature: Print the sector data from start page to stop page (max is 416 pages).
797	797
798		-**AT Command: AT+PDTA**
	1139	+(% _msthash="315384" _msttexthash="264953" %)**AT Command: AT+PDTA**
799	799
800		-(% border="1" %)
801		-|**Command Example**|**Response**
802		-|(((
803		-AT+PDTA=1,3
	1141	+[[image:image-20220523151450-11.png||_mstalt="451035"]]
804	804
	1143	+(% _msthash="315385" _msttexthash="298038" %)**Downlink Command:**
805	805
806		-
807		-Print page 1 to 3
808		-)))|(((
809		-8019500 19/6/26 16:48 1 2992 sht_temp=28.21 sht_hum=71.5 ds_temp=27.31
810		-
811		-8019510 19/6/26 16:53 1 2994 sht_temp=27.64 sht_hum=69.3 ds_temp=26.93
812		-
813		-8019520 19/6/26 16:58 1 2996 sht_temp=28.39 sht_hum=72.0 ds_temp=27.06
814		-
815		-8019530 19/6/26 17:03 1 2996 sht_temp=27.97 sht_hum=70.4 ds_temp=27.12
816		-
817		-8019540 19/6/26 17:08 1 2996 sht_temp=27.80 sht_hum=72.9 ds_temp=27.06
818		-
819		-8019550 19/6/26 17:13 1 2998 sht_temp=27.30 sht_hum=72.4 ds_temp=26.68
820		-
821		-8019560 19/6/26 17:22 1 2992 sht_temp=26.27 sht_hum=62.3 ds_temp=26.56
822		-
823		-8019570
824		-
825		-8019580
826		-
827		-8019590
828		-
829		-80195A0
830		-
831		-80195B0
832		-
833		-80195C0
834		-
835		-80195D0
836		-
837		-80195E0
838		-
839		-80195F0
840		-
841		-
842		-OK
843		-)))
844		-
845		-**Downlink Command:**
846		-
	1145	+(% _msthash="315386" _msttexthash="799539" %)
847	847	No downlink commands for feature
848	848
849		-== 4.11 Print last few data entries. ==
	1148	+== (% _msthash="788762" _msttexthash="747149" %)4.11 Print last few data entries.(%%) ==
850	850
	1150	+(% _msthash="315387" _msttexthash="1101009" %)
851	851	Feature: Print the last few data entries
852	852
853		-**AT Command: AT+PLDTA**
	1153	+(% _msthash="315388" _msttexthash="288522" %)**AT Command: AT+PLDTA**
854	854
855		-(% border="1" %)
856		-|**Command Example**|**Response**
857		-|(((
858		-AT+PLDTA=5
	1155	+[[image:image-20220523151524-12.png||_mstalt="452101"]]
859	859
	1157	+(% _msthash="315389" _msttexthash="298038" %)**Downlink Command:**
860	860
	1159	+(% _msthash="315390" _msttexthash="799539" %)
	1160	+No downlink commands for feature
861	861
862		-Print last 5 entries
863		-)))|(((
864		-Stop Tx and RTP events when read sensor data
	1162	+== (% _msthash="437814" _msttexthash="408057" %)4.12 Clear Flash Record(%%) ==
865	865
866		-1 19/6/26 13:59 1 3005 sht_temp=27.09 sht_hum=79.5 ds_temp=26.75
	1164	+(% _msthash="315391" _msttexthash="1609075" %)
	1165	+Feature: Clear flash storage for data log feature.
867	867
868		-2 19/6/26 14:04 1 3007 sht_temp=26.65 sht_hum=74.8 ds_temp=26.43
	1167	+(% _msthash="315392" _msttexthash="311415" %)**AT Command: AT+CLRDTA**
869	869
870		-3 19/6/26 14:09 1 3007 sht_temp=26.91 sht_hum=77.9 ds_temp=26.56
	1169	+[[image:image-20220523151556-13.png||_mstalt="454129"]]
871	871
872		-4 19/6/26 14:15 1 3007 sht_temp=26.93 sht_hum=76.7 ds_temp=26.75
	1171	+(% _msthash="315393" _msttexthash="388193" %)**Downlink Command: 0xA3**
873	873
874		-5 19/6/26 14:20 1 3007 sht_temp=26.78 sht_hum=76.6 ds_temp=26.43
	1173	+* Example: 0xA301 ~/~/Same as AT+CLRDTA
875	875
876		-Start Tx and RTP events
	1175	+== (% _msthash="740532" _msttexthash="701363" %)4.13 Auto Send None-ACK messages(%%) ==
877	877
878		-OK
879		-)))
	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.
880	880
881		-**Downlink Command:**
882	882
883		-No downlink commands for feature
	1181	+(% _msthash="315395" _msttexthash="334256" %)**AT Command: AT+PNACKMD**
884	884
885		-== 4.12 Clear Flash Record ==
	1183	+(% _msthash="315396" _msttexthash="734682" %)
	1184	+The default factory setting is 0
886	886
887		-Feature: Clear flash storage for data log feature.
	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
888	888
889		-**AT Command: AT+CLRDTA**
	1190	+(% _msthash="315397" _msttexthash="383981" %)**Downlink Command: 0x34**
890	890
891		-(% border="1" %)
892		-|**Command Example**|**Function**|**Response**
893		-|AT+CLRDTA|Clear date record|(((
894		-Clear all stored sensor data…
	1192	+* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
895	895
896		-OK
897		-)))
	1194	+= (% _msthash="568737" _msttexthash="502827" %)5. Battery & How to replace(%%) =
898	898
899		-**Downlink Command: 0xA3**
	1196	+== (% _msthash="265486" _msttexthash="242073" %)5.1 Battery Type(%%) ==
900	900
901		-* Example: 0xA301 ~/~/Same as AT+CLRDTA
902		-
903		-= 5. Battery & How to replace =
904		-
905		-== 5.1 Battery Type ==
906		-
	1198	+(% _msthash="315398" _msttexthash="33754799" %)
907	907	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.
908	908
	1201	+(((
909	909	The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
910		-[[image:image-20220515075034-1.png||height="208" width="644"]]
	1203	+[[image:image-20220515075034-1.png||_mstalt="428961" height="208" width="644"]]
	1204	+)))
911	911
	1206	+(((
912	912	The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
913	913
	1209	+)))
914	914
915		-== 5.2 Replace Battery ==
	1211	+== (% _msthash="353795" _msttexthash="326703" %)5.2 Replace Battery(%%) ==
916	916
	1213	+(% _msthash="315399" _msttexthash="11289278" %)
917	917	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.
918	918
919		-[[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
	1216	+[[image:image-20220515075440-2.png||_mstalt="429546" height="338" width="272"]][[image:image-20220515075625-3.png||_mstalt="431574" height="193" width="257"]]
920	920
921		-== 5.3 Battery Life Analyze ==
	1218	+== (% _msthash="494650" _msttexthash="462241" %)5.3 Battery Life Analyze(%%) ==
922	922
	1220	+(((
	1221	+(% _msthash="506266" _msttexthash="35479028" %)
923	923	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:
924	924	https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
	1224	+)))
925	925
926		-= 6. Order Info =
	1226	+= (% _msthash="183170" _msttexthash="163566" %)6. Order Info(%%) =
927	927
928		-Part Number: (% class="mark" %)**LHT65N-XX**
	1228	+(((
	1229	+(% _msthash="506267" _msttexthash="432432" %)
	1230	+Part Number: (% style="color:#4f81bd" %)** LHT65N-XX-YY**
	1231	+)))
929	929
930		-**XX**: The default frequency band
	1233	+(((
	1234	+(% _msthash="506268" _msttexthash="686946" %)
	1235	+(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
	1236	+)))
931	931
932		-* **AS923**: LoRaWAN AS923 band
933		-* **AU915**: LoRaWAN AU915 band
934		-* **EU433**: LoRaWAN EU433 band
935		-* **EU868**: LoRaWAN EU868 band
936		-* **KR920**: LoRaWAN KR920 band
937		-* **US915**: LoRaWAN US915 band
938		-* **IN865**: LoRaWAN IN865 band
939		-* **CN470**: LoRaWAN CN470 band
	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	+)))
940	940
941		-**YY**: Sensor Accessories
	1271	+(((
	1272	+(% _msthash="506269" _msttexthash="443495" %)
	1273	+(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
	1274	+)))
942	942
943		-* **E3**: External Temperature Probe
	1276	+* (((
	1277	+(% _msthash="903335" _msttexthash="720135" %)
	1278	+(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
	1279	+)))
944	944
945		-= 7. Packing Info =
	1281	+= (% _msthash="233363" _msttexthash="211237" %)7. Packing Info(%%) =
946	946
	1283	+(((
	1284	+(% _msthash="506270" _msttexthash="295386" %)
947	947	**Package Includes**:
	1286	+)))
948	948
949		-* LHT65N Temperature & Humidity Sensor x 1
950		-* Program cable x 1
951		-* Optional external sensor
	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	+)))
952	952
	1301	+(((
	1302	+(% _msthash="506271" _msttexthash="403858" %)
953	953	**Dimension and weight**:
	1304	+)))
954	954
955		-* Device Size:  13.5 x 7 x 3 cm
956		-* Device Weight: 105g
957		-* Package Size / pcs : 14.5 x 8 x 5 cm
958		-* Weight / pcs : 170g
	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	+)))
959	959
960		-= 8. FCC Warning =
	1323	+= (% _msthash="198744" _msttexthash="178776" %)8. FCC Warning(%%) =
961	961
	1325	+(((
	1326	+(% _msthash="506272" _msttexthash="6034353" %)
962	962	This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
	1328	+)))
963	963
	1330	+(((
	1331	+(% _msthash="506273" _msttexthash="44097638" %)
964	964	(1) This device may not cause harmful interference；
	1333	+)))
965	965
	1335	+(((
	1336	+(% _msthash="506274" _msttexthash="7559773" %)
966	966	(2) this device must accept any interference received, including interference that may cause undesired operation.
	1338	+)))

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