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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.
...	...	@@ -127,868 +127,1157 @@
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
166		-[[image:image-20220522232932-4.png]]
	191	+[[image:image-20220522232932-4.png||_mstalt="430157"]]
167	167
168		-[[image:image-20220522232954-5.png]]
	193	+[[image:image-20220522232954-5.png||_mstalt="431847"]]
169	169
	195	+(% _msthash="315246" _msttexthash="878800" %)
170	170	Note: LHT65N use same payload as LHT65.
171	171
172		-[[image:image-20220522233026-6.png]]
	198	+[[image:image-20220522233026-6.png||_mstalt="429403"]]
173	173
174	174
	201	+(% _msthash="315247" _msttexthash="595543" %)
175	175	Input APP EUI,  APP KEY and DEV EUI:
176	176
177		-[[image:image-20220522233118-7.png]]
	204	+[[image:image-20220522233118-7.png||_mstalt="430430"]]
178	178
179	179
180		-=== 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.(%%) ===
181	181
	209	+(% _msthash="315248" _msttexthash="14452321" %)
182	182	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.
183	183
184		-[[image:image-20220522233300-8.png||height="219" width="722"]]
	212	+[[image:image-20220522233300-8.png||_mstalt="428389" height="219" width="722"]]
185	185
186	186
187		-== 2.4 Uplink Payload ==
	215	+== (% _msthash="320879" _msttexthash="294970" %)2.4 Uplink Payload(%%) ==
188	188
	217	+(% _msthash="315249" _msttexthash="7722962" %)
189	189	The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
190	190
	220	+(% _msthash="315250" _msttexthash="1322711" %)
191	191	After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
192	192
	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	+)))
193	193
194		-(% border="1" style="background-color:#ffffcc; color:green; width:428px" %)
195		-|(% style="width:106px" %)**Size(bytes)**|(% style="width:46px" %)**2**|(% style="width:104px" %)**2**|(% style="width:80px" %)**2**|(% style="width:51px" %)**1**|(% style="width:35px" %)**4**
196		-|(% style="width:106px" %)**Value**|(% style="width:46px" %)[[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:104px" %)(((
197		-[[Built-In>>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]]
	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	+)))
198	198
199		-[[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:80px" %)(((
201		-[[Built-in>>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		-
203		-[[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]]
204		-)))|(% style="width:51px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:35px" %)[[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]]
205		-
206	206	* The First 6 bytes: has fix meanings for every LHT65N.
207	207	* The 7th byte (EXT #): defines the external sensor model.
208		-* 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="734721" _msttexthash="21372" %)^^th^^(%%) ~~ 11(% _msthash="734864" _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.)
209	209
210		-=== 2.4.1 Decoder in TTN V3 ===
	263	+=== (% _msthash="360269" _msttexthash="333762" %)2.4.1 Decoder in TTN V3(%%) ===
211	211
	265	+(% _msthash="315251" _msttexthash="9786491" %)
212	212	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.
213	213
	268	+(% _msthash="315252" _msttexthash="3928483" %)
214	214	Below is the position to put the decoder and LHT65N decoder can be download from here:
215	215
216		-[[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"]]
217	217
218		-[[image:image-20220522234118-10.png||height="353" width="729"]]
	273	+[[image:image-20220522234118-10.png||_mstalt="451464" height="353" width="729"]]
219	219
220		-=== 2.4.2 BAT-Battery Info ===
	275	+=== (% _msthash="411411" _msttexthash="383656" %)2.4.2 BAT-Battery Info(%%) ===
221	221
	277	+(% _msthash="315254" _msttexthash="3122912" %)
222	222	These two bytes of BAT include the battery state and the actually voltage
223	223
224		-(% border="1" style="background-color:#ffffcc; color:green; width:502px" %)
225		-|(% style="width:75px" %)(((
226		-Bit(bit)
227		-)))|(% style="width:259px" %)(((
228		-[15:14]
229		-)))|(% style="width:164px" %)(((
230		-[13:0]
231		-)))
232		-|(% style="width:75px" %)(((
233		-Value
234		-)))|(% style="width:259px" %)(((
235		-(((
236		-BAT Status
237		-)))
	280	+[[image:image-20220523152839-18.png||_mstalt="457613"]]
238	238
239		-(((
240		-00(b): Ultra Low ( BAT <= 2.50v)
241		-)))
	282	+[[image:image-20220522235639-1.png||_mstalt="431392" height="139" width="727"]]
242	242
243		-(((
244		-01(b): Low  (2.50v <=BAT <= 2.55v)
245		-)))
246		-
247		-(((
248		-10(b): OK   (2.55v <= BAT <=2.65v)
249		-)))
250		-
251		-(((
252		-11(b): Good   (BAT >= 2.65v)
253		-)))
254		-)))|(% style="width:164px" %)(((
255		-Actually BAT voltage
256		-)))
257		-
258		-[[image:image-20220522235639-1.png||height="139" width="727"]]
259		-
	284	+(% _msthash="315255" _msttexthash="871611" %)
260	260	Check the battery voltage for LHT65N.
261	261
262	262	* BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
263	263	* Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
264	264
265		-=== 2.4.3 Built-in Temperature ===
	290	+=== (% _msthash="600769" _msttexthash="565838" %)2.4.3 Built-in Temperature(%%) ===
266	266
267		-[[image:image-20220522235639-2.png||height="138" width="722"]]
	292	+[[image:image-20220522235639-2.png||_mstalt="431756" height="138" width="722"]]
268	268
269	269	* Temperature:  0x0ABB/100=27.47℃
270	270
271		-[[image:image-20220522235639-3.png]]
	296	+[[image:image-20220522235639-3.png||_mstalt="432120"]]
272	272
273	273	* Temperature:  (0xF5C6-65536)/100=-26.18℃
274	274
275		-=== 2.4.4 Built-in Humidity ===
	300	+=== (% _msthash="475891" _msttexthash="445120" %)2.4.4 Built-in Humidity(%%) ===
276	276
277		-[[image:image-20220522235639-4.png||height="138" width="722"]]
	302	+[[image:image-20220522235639-4.png||_mstalt="432484" height="138" width="722"]]
278	278
279	279	* Humidity:    0x025C/10=60.4%
280	280
281		-=== 2.4.5 Ext # ===
	306	+=== (% _msthash="116532" _msttexthash="87958" %)2.4.5 Ext #(%%) ===
282	282
	308	+(% _msthash="315256" _msttexthash="552240" %)
283	283	Bytes for External Sensor:
284	284
285		-(% border="1" style="background-color:#ffffcc; color:green; width:473px" %)
286		-|(% style="width:139px" %)**EXT # Value**|(% style="width:331px" %)**External Sensor Type**
287		-|(% style="width:139px" %)0x01|(% style="width:331px" %)Sensor E3, Temperature Sensor
288		-|(% style="width:139px" %)0x09|(% style="width:331px" %)Sensor E3, Temperature Sensor, Datalog Mod
	311	+[[image:image-20220523152822-17.png||_mstalt="454545"]]
289	289
290		-=== 2.4.6 Ext value ===
	313	+=== (% _msthash="221429" _msttexthash="200655" %)2.4.6 Ext value(%%) ===
291	291
292		-==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
	315	+==== (% _msthash="1005901" _msttexthash="877578" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
293	293
294		-[[image:image-20220522235639-5.png]]
	317	+[[image:image-20220522235639-5.png||_mstalt="432848"]]
295	295
296	296	* DS18B20 temp=0x0ADD/100=27.81℃
297	297
	321	+(% _msthash="315257" _msttexthash="1038479" %)
298	298	The last 2 bytes of data are meaningless
299	299
300		-[[image:image-20220522235639-6.png]]
	324	+[[image:image-20220522235639-6.png||_mstalt="433212"]]
301	301
302	302	* External temperature= (0xF54F-65536)/100=-27.37℃
303	303
304	304	(((
	329	+(% _msthash="506063" _msttexthash="1038479" %)
305	305	The last 2 bytes of data are meaningless
306	306	)))
307	307
308	308	(((
	334	+(% _msthash="506064" _msttexthash="21185632" %)
309	309	If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
310	310	)))
311	311
312	312
313		-==== 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(%%) ====
314	314
	341	+(% _msthash="315258" _msttexthash="41539368" %)
315	315	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:
316	316
317		-(% border="1" style="background-color:#ffffcc; color:green; width:533px" %)
318		-|(% style="width:96px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:69px" %)**2**|(% style="width:88px" %)**2**|(% style="width:69px" %)**1**|(% style="width:75px" %)**4**
319		-|(% style="width:96px" %)**Value**|(% style="width:71px" %)[[External temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.2SetExternalSensorMode]]|(% style="width:69px" %)(((
320		-[[Built-In>>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]]
	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	+)))
321	321
322		-[[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]]
323		-)))|(% style="width:88px" %)(((
	367	+(((
	368	+[[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041"]]
	369	+)))
	370	+)))|(% style="width:132px" %)(((
	371	+(((
	372	+(% _msthash="2224747" _msttexthash="136331" %)
324	324	BAT Status &
	374	+)))
325	325
326		-[[Built-in>>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]]
327		-
328		-[[Humidity>>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]]
329		-)))|(% style="width:69px" %)Status & Ext|(% style="width:75px" %)(((
330		-[[Unix>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.1SetTransmitIntervalTime]]
331		-
332		-[[Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.1SetTransmitIntervalTime]]
	376	+(((
	377	+[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181"]]
333	333	)))
	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	+)))
334	334
335		-* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
	388	+* (% _msthash="504958" _msttexthash="857922" %)**Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
336	336
337		-(% border="1" style="background-color:#ffffcc; color:green; width:587px" %)
338		-|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
339		-|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" %)
340	340	BAT Status
341	341
	396	+(% _msthash="1817498" _msttexthash="472784" %)
342	342	00(b): Ultra Low ( BAT <= 2.50v)
343	343
	399	+(% _msthash="1817499" _msttexthash="483678" %)
344	344	01(b): Low  (2.50v <=BAT <= 2.55v)
345	345
	402	+(% _msthash="1817500" _msttexthash="440791" %)
346	346	10(b): OK   (2.55v <= BAT <=2.65v)
347	347
	405	+(% _msthash="1817501" _msttexthash="334191" %)
348	348	11(b): Good   (BAT >= 2.65v)
349		-)))|(% style="width:136px" %)(((
350		-[[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]]
	407	+)))|(% style="width:134px" %)(((
	408	+[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181"]]
351	351
352	352
353	353	)))
354	354
355		-* **Status & Ext Byte**
	413	+* (% _msthash="504959" _msttexthash="245037" %)**Status & Ext Byte**
356	356
357		-(% border="1" style="background-color:#ffffcc; color:green; width:732px" %)
358		-|(% 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]**
359		-|(% 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" %)(((
360		-Ext:0b(1001)
361		-)))
	415	+[[image:image-20220523152434-16.png||_mstalt="453921"]]
362	362
363	363	* Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
364	364	* 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.
365	365	* 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)
366	366
367		-== 2.5 Show data on Datacake ==
	421	+== (% _msthash="487097" _msttexthash="454818" %)2.5 Show data on Datacake(%%) ==
368	368
	423	+(% _msthash="315259" _msttexthash="20933341" %)
369	369	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:
370	370
371	371	(((
	427	+(% _msthash="506065" _msttexthash="4753983" %)
372	372	**Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
373	373	)))
374	374
375	375	(((
	432	+(% _msthash="506066" _msttexthash="14696682" %)
376	376	**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.
377	377	)))
378	378
379	379	(((
	437	+(% _msthash="506067" _msttexthash="180297" %)
380	380	Add Datacake:
381	381	)))
382	382
383		-[[image:image-20220523000825-7.png||height="262" width="583"]]
	441	+[[image:image-20220523000825-7.png||_mstalt="429884" height="262" width="583"]]
384	384
385	385
	444	+(% _msthash="315260" _msttexthash="750178" %)
386	386	Select default key as Access Key:
387	387
388		-[[image:image-20220523000825-8.png||height="453" width="406"]]
	447	+[[image:image-20220523000825-8.png||_mstalt="430248" height="453" width="406"]]
389	389
	449	+(% _msthash="315261" _msttexthash="2134964" %)
390	390	In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
391	391
392		-[[image:image-20220523000825-9.png||height="366" width="392"]]
	452	+[[image:image-20220523000825-9.png||_mstalt="430612" height="366" width="392"]]
393	393
394		-[[image:image-20220523000825-10.png||height="432" width="762"]]
	454	+[[image:image-20220523000825-10.png||_mstalt="450619" height="413" width="728"]]
395	395
396		-== 2.6 Datalog Feature ==
	456	+== (% _msthash="350454" _msttexthash="323544" %)2.6 Datalog Feature(%%) ==
397	397
398		-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.
	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.
399	399
400		-=== 2.6.1 Unix TimeStamp ===
	461	+=== (% _msthash="886158" _msttexthash="842426" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
401	401
	463	+(% _msthash="315263" _msttexthash="409604" %)
	464	+There are two methods:
	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.
	468	+
	469	+=== (% _msthash="369915" _msttexthash="342797" %)2.6.2 Unix TimeStamp(%%) ===
	470	+
	471	+(% _msthash="315264" _msttexthash="1182285" %)
402	402	LHT65N uses Unix TimeStamp format based on
403	403
404		-[[image:image-20220523001219-11.png||height="97" width="627"]]
	474	+[[image:image-20220523001219-11.png||_mstalt="450450" height="97" width="627"]]
405	405
406	406
407	407	(((
	478	+(% _msthash="506068" _msttexthash="2717234" %)
408	408	User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
409	409	)))
410	410
411	411	(((
	483	+(% _msthash="506069" _msttexthash="709813" %)
412	412	Below is the converter example
413	413	)))
414	414
415		-[[image:image-20220523001219-12.png||height="302" width="730"]]
	487	+[[image:image-20220523001219-12.png||_mstalt="450827" height="298" width="720"]]
416	416
	489	+(% _msthash="315265" _msttexthash="15137317" %)
417	417	So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
418	418
	492	+=== (% _msthash="359294" _msttexthash="332748" %)2.6.3 Set Device Time(%%) ===
419	419
420		-=== 2.6.2 Set Device Time ===
421		-
	494	+(((
	495	+(% _msthash="506070" _msttexthash="4521946" %)
422	422	There are two ways to set device’s time:
	497	+)))
423	423
424		-**~1. Through LoRaWAN MAC Command (Default settings)**
	499	+(((
	500	+(% _msthash="506071" _msttexthash="1498471" %)**1. Through LoRaWAN MAC Command (Default settings)**
	501	+)))
425	425
	503	+(((
	504	+(% _msthash="506072" _msttexthash="2126267" %)
426	426	User need to set SYNCMOD=1 to enable sync time via MAC command.
	506	+)))
427	427
	508	+(((
	509	+(% _msthash="506073" _msttexthash="54430324" %)
428	428	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	+)))
429	429
	513	+(((
	514	+(% _msthash="506074" _msttexthash="92531127" %)
430	430	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	+)))
431	431
	518	+(((
	519	+
	520	+)))
432	432
433		-**2. Manually Set Time**
	522	+(((
	523	+(% _msthash="506075" _msttexthash="329719" %)**2. Manually Set Time**
	524	+)))
434	434
	526	+(((
	527	+(% _msthash="506076" _msttexthash="7889297" %)
435	435	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	+)))
436	436
	531	+=== (% _msthash="460759" _msttexthash="430001" %)2.6.4 Poll sensor value(%%) ===
437	437
438		-=== 2.6.3 Poll sensor value ===
439		-
	533	+(% _msthash="315266" _msttexthash="4955821" %)
440	440	User can poll sensor value based on timestamps from the server. Below is the downlink command.
441	441
	536	+[[image:image-20220523152302-15.png||_mstalt="451581"]]
442	442
443		-(% border="1" style="width:454px" %)
444		-|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
445		-|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
446		-
	538	+(((
	539	+(% _msthash="506077" _msttexthash="14670916" %)
447	447	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	+)))
448	448
	543	+(((
	544	+For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% style="display:none" %)
	545	+)))
449	449
450		-For example, downlink command 31 5FC5F350 5FC6 0160 05
451		-
	547	+(((
	548	+(% _msthash="506079" _msttexthash="6907459" %)
452	452	Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
	550	+)))
453	453
	552	+(((
	553	+(% _msthash="506080" _msttexthash="23531573" %)
454	454	Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
	555	+)))
455	455
456	456
457		-=== 2.6.4 Datalog Uplink payload ===
	558	+=== (% _msthash="650923" _msttexthash="614185" %)2.6.5 Datalog Uplink payload(%%) ===
458	458
	560	+(% _msthash="315267" _msttexthash="2245087" %)
459	459	The Datalog poll reply uplink will use below payload format.
460	460
	563	+(((
	564	+(% _msthash="506081" _msttexthash="451581" %)**Retrieval data payload**
	565	+)))
461	461
462		-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	+)))
463	463
464		-(% border="1" %)
465		-|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
466		-|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
467		-[[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	+)))
468	468
469		-[[Temperature>>path:#SHT20_Temperature]]
470		-)))|(((
471		-[[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	+)))
472	472
473		-[[Humidity>>path:#SHT20_Humidity]]
474		-)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
475		-[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
476		-
	637	+(((
	638	+(((
477	477
478	478	)))
	641	+)))
	642	+)))
479	479
480		-Poll message flag & Ext
	644	+(% _msthash="315268" _msttexthash="390390" %)**Poll message flag & Ext**
481	481
	646	+[[image:image-20220523152208-14.png||_mstalt="452920"]]
482	482
483		-(% border="1" %)
484		-|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
485		-|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
486		-Ext:
	648	+(((
	649	+(((
	650	+(% _msthash="736723" _msttexthash="2005003" %)
	651	+Poll Message Flag: 1: This message is a poll message reply.
	652	+)))
	653	+)))
487	487
488		-0b(1001)
	655	+* (((
	656	+(((
	657	+(% _msthash="1197157" _msttexthash="561548" %)
	658	+Poll Message Flag is set to 1.
489	489	)))
	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	+)))
490	490
491		-Poll Message Flag: 1: This message is a poll message reply.
492		-
493		-* Poll Message Flag is set to 1.
494		-* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
495		-
	668	+(((
	669	+(((
	670	+(% _msthash="736724" _msttexthash="2242344" %)
496	496	For example, in US915 band, the max payload for different DR is:
	672	+)))
	673	+)))
497	497
498		-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	+)))
499	499
500		-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	+)))
501	501
502		-c)      DR2: total payload includes 11 entries of data
	689	+(((
	690	+(((
	691	+(% _msthash="736727" _msttexthash="1454115" %)
	692	+c) DR2: total payload includes 11 entries of data
	693	+)))
	694	+)))
503	503
504		-d)      DR3: total payload includes 22 entries of data.
	696	+(((
	697	+(((
	698	+(% _msthash="736728" _msttexthash="1483924" %)
	699	+d) DR3: total payload includes 22 entries of data.
	700	+)))
	701	+)))
505	505
	703	+(((
	704	+(((
	705	+(% _msthash="736729" _msttexthash="5848349" %)
506	506	If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0
	707	+)))
	708	+)))
507	507
508	508
509		-**Example:**
	711	+(% _msthash="315269" _msttexthash="104767" %)**Example:**
510	510
	713	+(% _msthash="315270" _msttexthash="913822" %)
511	511	If LHT65N has below data inside Flash:
512	512
513		-Flash Addr   |Unix Time | Ext | BAT voltage|  Value
	716	+[[image:image-20220523144455-1.png||_mstalt="430040" height="335" width="735"]]
514	514
515		-80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
	718	+(((
	719	+(% _msthash="506082" _msttexthash="1663961" %)
	720	+If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
	721	+)))
516	516
517		-80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
518		-
519		-8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
520		-
521		-8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
522		-
523		-8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
524		-
525		-8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
526		-
527		-8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
528		-
529		-8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
530		-
531		-
532		-If user sends below downlink command:
533		-
534		-3160065F9760066DA705
535		-
	723	+(((
	724	+(% _msthash="506083" _msttexthash="1092494" %)
536	536	Where : Start time: 60065F97 = time 21/1/19 04:27:03
	726	+)))
537	537
	728	+(((
	729	+(% _msthash="506084" _msttexthash="737269" %)
538	538	Stop time 60066DA7= time 21/1/19 05:27:03
	731	+)))
539	539
	733	+(((
	734	+
	735	+)))
540	540
	737	+(((
	738	+(% _msthash="506085" _msttexthash="751218" %)
541	541	LHT65N will uplink this payload.
	740	+)))
542	542
543		-[[image:image-20220523001219-13.png||height="421" width="727"]]
	742	+[[image:image-20220523001219-13.png||_mstalt="451204" height="421" width="727"]]
544	544
	744	+(% _msthash="315271" _msttexthash="12012546" %)
545	545	7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
546	546
547		-Where the first 11 bytes is for the first entry:
	747	+(% _msthash="315272" _msttexthash="95618250" %)
	748	+其中，前 11 个字节表示第一个条目：
548	548
	750	+(% _msthash="315273" _msttexthash="274846" %)
549	549	7FFF089801464160065F97
550	550
551		-Ext sensor data=0x7FFF/100=327.67
	753	+(% _msthash="315274" _msttexthash="23352186" %)
	754	+外部传感器数据=0x7FFF/100=327.67
552	552
553		-Temp=0x0898/100=22.00
	756	+(% _msthash="315275" _msttexthash="5286827" %)
	757	+温度=0x0898/100=22.00
554	554
555		-Hum=0x0146/10=32.6
	759	+(% _msthash="315276" _msttexthash="7131241" %)
	760	+嗡嗡声=0x0146/10=32.6
556	556
557		-poll message flag & Ext=0x41,means reply data,Ext=1
	762	+(% _msthash="315277" _msttexthash="118235416" %)
	763	+轮询消息标志 & Ext=0x41，表示回复数据，Ext=1
558	558
559		-Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
	765	+(% _msthash="315278" _msttexthash="95647201" %)
	766	+Unix 时间是 0x60065F97=1611030423s=21/1/19 04：27：03
560	560
561	561
562		-== 2.7 Alarm Mode ==
	769	+== (% _msthash="197717" _msttexthash="16752736" %)2.7 报警模式(%%) ==
563	563
564		-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.
	771	+(% _msthash="315279" _msttexthash="614443986" %)
	772	+当设备处于报警模式时，它会在短时间内检查内置传感器温度。如果温度超过预配置范围，它将立即发送上行链路。
565	565
	774	+(((
	775	+(% _msthash="506086" _msttexthash="304704764" style="color:red" %)注意：报警模式会增加一点功耗，我们建议在启用此功能时延长正常读取时间。
	776	+)))
566	566
567		-Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
	778	+(% _msthash="315280" _msttexthash="38172992" %)**报警模式的 AT 命令：**
568	568
	780	+(% class="box infomessage" %)
	781	+(((
	782	+(% _istranslated="1" _mstmutation="1" %)**AT+WMOD=1**(%%)：启用/禁用报警模式。（0：禁用，1：启用）
569	569
570		-AT Commands for Alarm mode:
	784	+(% _msthash="506088" _msttexthash="258873758" %)
	785	+(% _istranslated="1" %)**AT+CITEMP=1**(%%)：检查警报温度的时间间隔。（单位：分钟）
571	571
572		-**AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
	787	+(% _msthash="506089" _msttexthash="154134227" %)
	788	+(% _istranslated="1" %)**AT+ARTEMP**(%%)： 获取或设置内部温度传感器报警范围
573	573
574		-**AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
	790	+(% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%)：获取内部温度传感器报警范围(% style="display:none" %)
575	575
	792	+(% _msthash="506091" _msttexthash="225614246" %)
	793	+(% _istranslated="1" %)**AT+ARTEMP=45，105**(%%)：将内部温度传感器报警范围设置为 45 至 105。
	794	+)))
576	576
	796	+== ==
577	577
578		-== 2.8 LED Indicator ==
	798	+== (% _msthash="276471" _msttexthash="12239526" %)2.8 指示灯(%%) ==
579	579
580		-The LHT65N has a triple color LED which for easy shows different stage.
	800	+(((
	801	+(% _msthash="506092" _msttexthash="130028808" %)
	802	+LHT65N具有三色LED，可轻松显示不同的舞台。
	803	+)))
581	581
582		-While pressing ACT button, the LED will work as per LED status with ACT button.
	805	+(((
	806	+(% _msthash="506093" _msttexthash="151611343" %)
	807	+按下 ACT 按钮时，LED 将按照带有 ACT 按钮的 LED 状态工作。
	808	+)))
583	583
584		-In a normal working state:
	810	+(((
	811	+(% _msthash="506094" _msttexthash="33759063" %)
	812	+正常工作状态下：
	813	+)))
585	585
586		-* For each uplink, the BLUE LED or RED LED will blink once.
587		-* BLUE LED when an external sensor is connected
588		-* RED LED when an external sensor is not connected
589		-* For each success downlink, the PURPLE LED will blink once
	815	+* (((
	816	+(% _msthash="903005" _msttexthash="141916112" %)
	817	+对于每个上行链路，蓝色 LED 或红色 LED 将闪烁一次。
	818	+)))
	819	+* (((
	820	+(% _msthash="903006" _msttexthash="49182913" %)
	821	+连接外部传感器时的蓝色 LED
	822	+)))
	823	+* (((
	824	+(% _msthash="903007" _msttexthash="55309774" %)
	825	+未连接外部传感器时的红色 LED
	826	+)))
	827	+* (((
	828	+(% _msthash="903008" _msttexthash="126991982" %)
	829	+对于每个成功的下行链路，紫色 LED 将闪烁一次
	830	+)))
590	590
591	591	----
592	592
593		-== 2.9 Installation ==
	834	+== (% _msthash="298350" _msttexthash="8069152" %)2.9 安装(%%) ==
594	594
595		-[[image:image-20220516231650-1.png||height="436" width="428"]]
	836	+[[image:image-20220516231650-1.png||_mstalt="5390151" alt="图片-20220516231650-1.png" height="436" width="428"]]
596	596
597		-= 3. Sensors & Accessories =
	838	+= (% _msthash="528658" _msttexthash="22116432" %)3. 传感器和配件(%%) =
598	598
599		-== 3.1 E3 Temperature Probe ==
	840	+== (% _msthash="487110" _msttexthash="17620759" %)3.1 E3温度探头(%%) ==
600	600
601		-[[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
	842	+[[image:image-20220515080154-4.png||_mstalt="5391243" alt="图片-20220515080154-4.png" height="182" width="161"]] [[image:image-20220515080330-5.png||_mstalt="5390346" alt="图片-20220515080330-5.png" height="201" width="195"]]
602	602
603	603
604		-With Temperature sensor with 2 meters cable long
	845	+(% _msthash="315354" _msttexthash="50315928" %)
	846	+带 2 米电缆长的温度传感器
605	605
606		-* Resolution: 0.0625 °C
607		-* ±0.5°C accuracy from -10°C to +85°C
608		-* ±2°C accuracy from -55°C to +125°C
609		-* Operating Range: -40 ~~ 125 °C
610		-* -55°C to 125°C
611		-* Working voltage 2.35v ~~ 5v
	848	+* 分辨率：0.0625°C
	849	+* -10°C 至 +85°C 范围内的 ±0.5°C 精度
	850	+* -55°C 至 +125°C 范围内的 ±2°C 精度
	851	+* 工作范围： -40 ~~ 125 °C
	852	+* -55°C 至 125°C
	853	+* 工作电压 2.35v ~~ 5v
612	612
613		-= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
	855	+= (% _msthash="1745419" _msttexthash="88144758" %)4. 通过 AT 命令或 LoRaWAN 下行链路配置 LHT65N(%%) =
614	614
	857	+(((
	858	+(% _msthash="506246" _msttexthash="2005926" %)
615	615	Use can configure LHT65N via AT Command or LoRaWAN Downlink.
	860	+)))
616	616
617		-* AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
618		-* LoRaWAN Downlink instruction for different platforms:
	862	+* (((
	863	+(% _msthash="903318" _msttexthash="635544" %)
	864	+AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
	865	+)))
	866	+* (((
	867	+(% _msthash="903319" _msttexthash="2004301" %)
	868	+LoRaWAN Downlink instruction for different platforms:
	869	+)))
619	619
620		-[[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]]
	871	+(((
	872	+[[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"]]
	873	+)))
621	621
	875	+(((
	876	+(% _msthash="506248" _msttexthash="2144051" %)
622	622	There are two kinds of commands to configure LHT65N, they are:
	878	+)))
623	623
624		-* **General Commands**.
	880	+(((
	881	+(% _msthash="506249" _msttexthash="317850" style="color:#4f81bd" %)* **General Commands**.
	882	+)))
625	625
	884	+(((
	885	+(% _msthash="506250" _msttexthash="774527" %)
626	626	These commands are to configure:
	887	+)))
627	627
628		-* General system settings like: uplink interval.
629		-* LoRaWAN protocol & radio-related commands.
	889	+* (((
	890	+(% _msthash="903320" _msttexthash="1503580" %)
	891	+General system settings like: uplink interval.
	892	+)))
	893	+* (((
	894	+(% _msthash="903321" _msttexthash="1244334" %)
	895	+LoRaWAN protocol & radio-related commands.
	896	+)))
630	630
	898	+(((
	899	+(% _msthash="506251" _msttexthash="8343023" %)
631	631	They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
	901	+)))
632	632
633		-[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
	903	+(((
	904	+[[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"]]
	905	+)))
634	634
635		-* **Commands special design for LHT65N**
	907	+(((
	908	+(% style="color:#4f81bd" %)* (% _msthash="506253" _msttexthash="792038" %)**Commands special design for LHT65N**
	909	+)))
636	636
	911	+(((
	912	+(% _msthash="506254" _msttexthash="1501357" %)
637	637	These commands are only valid for LHT65N, as below:
	914	+)))
638	638
639		-== 4.1 Set Transmit Interval Time ==
	916	+== (% _msthash="708253" _msttexthash="668772" %)4.1 Set Transmit Interval Time(%%) ==
640	640
	918	+(% _msthash="315355" _msttexthash="1659268" %)
641	641	Feature: Change LoRaWAN End Node Transmit Interval.
642	642
643		-**AT Command: AT+TDC**
	921	+(% _msthash="315356" _msttexthash="241696" %)**AT Command: AT+TDC**
644	644
645		-(% border="1" %)
646		-|**Command Example**|**Function**|**Response**
647		-|AT+TDC?|Show current transmit Interval|(((
648		-30000
	923	+[[image:image-20220523150701-2.png||_mstalt="427453"]]
649	649
650		-OK
651		-
652		-the interval is 30000ms = 30s
	925	+(((
	926	+(% _msthash="506255" _msttexthash="381992" %)**Downlink Command: 0x01**
653	653	)))
654		-|AT+TDC=60000|Set Transmit Interval|(((
655		-OK
656	656
657		-Set transmit interval to 60000ms = 60 seconds
	929	+(((
	930	+(% _msthash="506256" _msttexthash="1996592" %)
	931	+Format: Command Code (0x01) followed by 3 bytes time value.
658	658	)))
659	659
660		-**Downlink Command: 0x01**
661		-
662		-Format: Command Code (0x01) followed by 3 bytes time value.
663		-
	934	+(((
	935	+(% _msthash="506257" _msttexthash="12934649" %)
664	664	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
	937	+)))
665	665
666		-* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
667		-* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	939	+* (((
	940	+(% _msthash="903322" _msttexthash="3250546" %)
	941	+**Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
	942	+)))
	943	+* (((
	944	+(% _msthash="903323" _msttexthash="3253315" %)
	945	+**Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	946	+)))
668	668
669		-== 4.2 Set External Sensor Mode ==
	948	+== (% _msthash="614770" _msttexthash="578240" %)4.2 Set External Sensor Mode(%%) ==
670	670
	950	+(% _msthash="315357" _msttexthash="975117" %)
671	671	Feature: Change External Sensor Mode.
672	672
673		-**AT Command: AT+EXT**
	953	+(% _msthash="315358" _msttexthash="248118" %)**AT Command: AT+EXT**
674	674
675		-(% border="1" %)
676		-|**Command Example**|**Function**|**Response**
677		-|AT+EXT?|Get current external sensor mode|(((
678		-1
	955	+[[image:image-20220523150759-3.png||_mstalt="432146"]]
679	679
680		-OK
681		-
682		-External Sensor mode =1
	957	+(((
	958	+(% _msthash="506258" _msttexthash="387855" %)**Downlink Command: 0xA2**
683	683	)))
684		-|AT+EXT=1|(% colspan="2" %)Set external sensor mode to 1
685		-|AT+EXT=9|(% colspan="2" %)Set to external DS18B20 with timestamp
686	686
687		-**Downlink Command: 0xA2**
688		-
	961	+(((
	962	+(% _msthash="506259" _msttexthash="395629" %)
689	689	Total bytes: 2 ~~ 5 bytes
	964	+)))
690	690
691		-Example:
	966	+(((
	967	+(% _msthash="506260" _msttexthash="104767" %)**Example:**
	968	+)))
692	692
693		-* 0xA201: Set external sensor type to E1
694		-* 0xA209: Same as AT+EXT=9
695		-* 0xA20702003c,Same as AT+SETCNT=60
	970	+* (((
	971	+(% _msthash="903324" _msttexthash="934973" %)
	972	+0xA201: Set external sensor type to E1
	973	+)))
	974	+* (((
	975	+(% _msthash="903325" _msttexthash="354770" %)
	976	+0xA209: Same as AT+EXT=9
	977	+)))
	978	+* (((
	979	+(% _msthash="903326" _msttexthash="639067" %)
	980	+0xA20702003c,Same as AT+SETCNT=60
	981	+)))
696	696
697		-== 4.3 Enable/Disable uplink Temperature probe ID ==
	983	+== (% _msthash="1562483" _msttexthash="1445717" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
698	698
	985	+(% _msthash="315359" _msttexthash="2977572" %)
699	699	Feature: If PID is enabled, device will send the temperature probe ID on:
700	700
701	701	* First Packet after OTAA Join
702	702	* Every 24 hours since the first packet.
703	703
	991	+(% _msthash="315360" _msttexthash="658814" %)
704	704	PID is default set to disable (0)
705	705
	994	+(% _msthash="315361" _msttexthash="137488" %)**AT Command:**
706	706
707		-**AT Command:**
	996	+[[image:image-20220523150928-4.png||_mstalt="431821"]]
708	708
709		-(% border="1" %)
710		-|**Command Example**|**Function**|**Response**
711		-|AT+PID=1|Enable PID uplink|OK
	998	+(% _msthash="315362" _msttexthash="298038" %)**Downlink Command:**
712	712
713		-**Downlink Command:**
	1000	+* 0xA800  **~-~->** AT+PID=0
	1001	+* 0xA801     **~-~->** AT+PID=1
714	714
715		-* 0xA800     à AT+PID=0
716		-* 0xA801     à AT+PID=1
	1003	+== (% _msthash="266344" _msttexthash="242879" %)4.4 Set Password(%%) ==
717	717
718		-== 4.4 Set Password ==
719		-
	1005	+(% _msthash="315363" _msttexthash="1170728" %)
720	720	Feature: Set device password, max 9 digits
721	721
722		-**AT Command: AT+PWORD**
	1008	+(% _msthash="315364" _msttexthash="295009" %)**AT Command: AT+PWORD**
723	723
724		-(% border="1" %)
725		-|**Command Example**|**Function**|**Response**
726		-|AT+PWORD=?|Show password|(((
727		-123456
	1010	+[[image:image-20220523151052-5.png||_mstalt="428623"]]
728	728
729		-
730		-OK
	1012	+(((
	1013	+(% _msthash="506261" _msttexthash="298038" %)**Downlink Command:**
731	731	)))
732		-|AT+PWORD=999999|Set password|OK
733	733
734		-**Downlink Command:**
735		-
	1016	+(((
	1017	+(% _msthash="506262" _msttexthash="974311" %)
736	736	No downlink command for this feature.
	1019	+)))
737	737
738		-== 4.5 Quit AT Command ==
	1021	+== (% _msthash="306956" _msttexthash="281918" %)4.5 Quit AT Command(%%) ==
739	739
	1023	+(% _msthash="315365" _msttexthash="4616456" %)
740	740	Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
741	741
742		-**AT Command: AT+DISAT**
	1026	+(% _msthash="315366" _msttexthash="289120" %)**AT Command: AT+DISAT**
743	743
744		-(% border="1" %)
745		-|**Command Example**|**Function**|**Response**
746		-|AT+DISAT|Quit AT Commands mode|OK
	1028	+[[image:image-20220523151132-6.png||_mstalt="428649"]]
747	747
748		-**Downlink Command:**
	1030	+(% _msthash="315367" _msttexthash="298038" %)**Downlink Command:**
749	749
	1032	+(% _msthash="315368" _msttexthash="974311" %)
750	750	No downlink command for this feature.
751	751
	1035	+== (% _msthash="362752" _msttexthash="334919" %)4.6 Set to sleep mode(%%) ==
752	752
753		-== 4.6 Set to sleep mode ==
754		-
	1037	+(% _msthash="315369" _msttexthash="779688" %)
755	755	Feature: Set device to sleep mode
756	756
757		-**AT Command: AT+SLEEP**
	1040	+(% _msthash="315370" _msttexthash="289783" %)**AT Command: AT+SLEEP**
758	758
759		-(% border="1" %)
760		-| | |
761		-|**Command Example**|**Function**|**Response**
762		-|AT+SLEEP|Set to sleep mode|(((
763		-Clear all stored sensor data…
	1042	+[[image:image-20220523151218-7.png||_mstalt="430703"]]
764	764
765		-OK
766		-)))
	1044	+(% _msthash="315371" _msttexthash="298038" %)**Downlink Command:**
767	767
768		-**Downlink Command:**
769		-
770	770	* There is no downlink command to set to Sleep mode.
771	771
772		-== 4.7 Set system time ==
	1048	+== (% _msthash="336557" _msttexthash="309712" %)4.7 Set system time(%%) ==
773	773
774		-Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
	1050	+(% _msthash="315372" _msttexthash="2565524" %)
	1051	+Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
775	775
776		-**AT Command:**
	1053	+(% _msthash="315373" _msttexthash="137488" %)**AT Command:**
777	777
778		-(% border="1" %)
779		-|**Command Example**|**Function**
780		-|AT+TIMESTAMP=1611104352|(((
781		-OK
	1055	+[[image:image-20220523151253-8.png||_mstalt="430677"]]
782	782
783		-Set System time to 2021-01-20 00:59:12
784		-)))
	1057	+(% _msthash="315374" _msttexthash="298038" %)**Downlink Command:**
785	785
786		-**Downlink Command:**
787		-
	1059	+(% _msthash="315375" _msttexthash="2898571" %)
788	788	0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
789	789
790		-== 4.8 Set Time Sync Mode ==
	1062	+== (% _msthash="376779" _msttexthash="348712" %)4.8 Set Time Sync Mode(%%) ==
791	791
	1064	+(((
	1065	+(% _msthash="506263" _msttexthash="11748321" %)
792	792	Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
	1067	+)))
793	793
	1069	+(((
	1070	+(% _msthash="506264" _msttexthash="6530264" %)
794	794	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.
	1072	+)))
795	795
	1074	+(((
	1075	+(% _msthash="506265" _msttexthash="137488" %)**AT Command:**
	1076	+)))
796	796
797		-**AT Command:**
	1078	+[[image:image-20220523151336-9.png||_mstalt="431717"]]
798	798
799		-|**Command Example**|**Function**
800		-|AT+SYNCMOD=1|Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
	1080	+(% _msthash="315376" _msttexthash="298038" %)**Downlink Command:**
801	801
802		-**Downlink Command:**
803		-
	1082	+(% _msthash="315377" _msttexthash="479648" %)
804	804	0x28 01 ~/~/ Same As AT+SYNCMOD=1
805	805
	1085	+(% _msthash="315378" _msttexthash="479076" %)
806	806	0x28 00 ~/~/ Same As AT+SYNCMOD=0
807	807
808		-== 4.9 Set Time Sync Interval ==
	1088	+== (% _msthash="536432" _msttexthash="502528" %)4.9 Set Time Sync Interval(%%) ==
809	809
	1090	+(% _msthash="315379" _msttexthash="3065777" %)
810	810	Feature: Define System time sync interval. SYNCTDC default value: 10 days.
811	811
812		-**AT Command:**
	1093	+(% _msthash="315380" _msttexthash="137488" %)**AT Command:**
813	813
814		-(% border="1" %)
815		-|**Command Example**|**Function**
816		-|AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
	1095	+[[image:image-20220523151411-10.png||_mstalt="449696"]]
817	817
818		-**Downlink Command:**
	1097	+(% _msthash="315381" _msttexthash="298038" %)**Downlink Command:**
819	819
	1099	+(% _msthash="315382" _msttexthash="590044" %)
820	820	0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
821	821
822		-== 4.10 Print data entries base on page. ==
	1102	+== (% _msthash="927901" _msttexthash="882570" %)4.10 Print data entries base on page.(%%) ==
823	823
	1104	+(% _msthash="315383" _msttexthash="3233334" %)
824	824	Feature: Print the sector data from start page to stop page (max is 416 pages).
825	825
826		-**AT Command: AT+PDTA**
	1107	+(% _msthash="315384" _msttexthash="264953" %)**AT Command: AT+PDTA**
827	827
828		-(% border="1" %)
829		-|**Command Example**|**Response**
830		-|(((
831		-AT+PDTA=1,3
	1109	+[[image:image-20220523151450-11.png||_mstalt="451035"]]
832	832
	1111	+(% _msthash="315385" _msttexthash="298038" %)**Downlink Command:**
833	833
834		-
835		-Print page 1 to 3
836		-)))|(((
837		-8019500 19/6/26 16:48 1 2992 sht_temp=28.21 sht_hum=71.5 ds_temp=27.31
838		-
839		-8019510 19/6/26 16:53 1 2994 sht_temp=27.64 sht_hum=69.3 ds_temp=26.93
840		-
841		-8019520 19/6/26 16:58 1 2996 sht_temp=28.39 sht_hum=72.0 ds_temp=27.06
842		-
843		-8019530 19/6/26 17:03 1 2996 sht_temp=27.97 sht_hum=70.4 ds_temp=27.12
844		-
845		-8019540 19/6/26 17:08 1 2996 sht_temp=27.80 sht_hum=72.9 ds_temp=27.06
846		-
847		-8019550 19/6/26 17:13 1 2998 sht_temp=27.30 sht_hum=72.4 ds_temp=26.68
848		-
849		-8019560 19/6/26 17:22 1 2992 sht_temp=26.27 sht_hum=62.3 ds_temp=26.56
850		-
851		-8019570
852		-
853		-8019580
854		-
855		-8019590
856		-
857		-80195A0
858		-
859		-80195B0
860		-
861		-80195C0
862		-
863		-80195D0
864		-
865		-80195E0
866		-
867		-80195F0
868		-
869		-
870		-OK
871		-)))
872		-
873		-**Downlink Command:**
874		-
	1113	+(% _msthash="315386" _msttexthash="799539" %)
875	875	No downlink commands for feature
876	876
877		-== 4.11 Print last few data entries. ==
	1116	+== (% _msthash="788762" _msttexthash="747149" %)4.11 Print last few data entries.(%%) ==
878	878
	1118	+(% _msthash="315387" _msttexthash="1101009" %)
879	879	Feature: Print the last few data entries
880	880
881		-**AT Command: AT+PLDTA**
	1121	+(% _msthash="315388" _msttexthash="288522" %)**AT Command: AT+PLDTA**
882	882
883		-(% border="1" %)
884		-|**Command Example**|**Response**
885		-|(((
886		-AT+PLDTA=5
	1123	+[[image:image-20220523151524-12.png||_mstalt="452101"]]
887	887
	1125	+(% _msthash="315389" _msttexthash="298038" %)**Downlink Command:**
888	888
	1127	+(% _msthash="315390" _msttexthash="799539" %)
	1128	+No downlink commands for feature
889	889
890		-Print last 5 entries
891		-)))|(((
892		-Stop Tx and RTP events when read sensor data
	1130	+== (% _msthash="437814" _msttexthash="408057" %)4.12 Clear Flash Record(%%) ==
893	893
894		-1 19/6/26 13:59 1 3005 sht_temp=27.09 sht_hum=79.5 ds_temp=26.75
	1132	+(% _msthash="315391" _msttexthash="1609075" %)
	1133	+Feature: Clear flash storage for data log feature.
895	895
896		-2 19/6/26 14:04 1 3007 sht_temp=26.65 sht_hum=74.8 ds_temp=26.43
	1135	+(% _msthash="315392" _msttexthash="311415" %)**AT Command: AT+CLRDTA**
897	897
898		-3 19/6/26 14:09 1 3007 sht_temp=26.91 sht_hum=77.9 ds_temp=26.56
	1137	+[[image:image-20220523151556-13.png||_mstalt="454129"]]
899	899
900		-4 19/6/26 14:15 1 3007 sht_temp=26.93 sht_hum=76.7 ds_temp=26.75
	1139	+(% _msthash="315393" _msttexthash="388193" %)**Downlink Command: 0xA3**
901	901
902		-5 19/6/26 14:20 1 3007 sht_temp=26.78 sht_hum=76.6 ds_temp=26.43
	1141	+* Example: 0xA301 ~/~/Same as AT+CLRDTA
903	903
904		-Start Tx and RTP events
	1143	+== (% _msthash="740532" _msttexthash="701363" %)4.13 Auto Send None-ACK messages(%%) ==
905	905
906		-OK
907		-)))
	1145	+(% _msthash="315394" _msttexthash="51837149" %)
	1146	+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.
908	908
909		-**Downlink Command:**
910	910
911		-No downlink commands for feature
	1149	+(% _msthash="315395" _msttexthash="334256" %)**AT Command: AT+PNACKMD**
912	912
913		-== 4.12 Clear Flash Record ==
	1151	+(% _msthash="315396" _msttexthash="734682" %)
	1152	+The default factory setting is 0
914	914
915		-Feature: Clear flash storage for data log feature.
	1154	+(% border="1" style="background-color:#ffffcc; color:green; width:450px" %)
	1155	+|=(% 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**
	1156	+|(% _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
916	916
917		-**AT Command: AT+CLRDTA**
	1158	+(% _msthash="315397" _msttexthash="383981" %)**Downlink Command: 0x34**
918	918
919		-(% border="1" %)
920		-|**Command Example**|**Function**|**Response**
921		-|AT+CLRDTA|Clear date record|(((
922		-Clear all stored sensor data…
	1160	+* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
923	923
924		-OK
925		-)))
	1162	+= (% _msthash="568737" _msttexthash="502827" %)5. Battery & How to replace(%%) =
926	926
927		-**Downlink Command: 0xA3**
	1164	+== (% _msthash="265486" _msttexthash="242073" %)5.1 Battery Type(%%) ==
928	928
929		-* Example: 0xA301 ~/~/Same as AT+CLRDTA
930		-
931		-= 5. Battery & How to replace =
932		-
933		-== 5.1 Battery Type ==
934		-
	1166	+(% _msthash="315398" _msttexthash="33754799" %)
935	935	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.
936	936
	1169	+(((
937	937	The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
938		-[[image:image-20220515075034-1.png||height="208" width="644"]]
	1171	+[[image:image-20220515075034-1.png||_mstalt="428961" height="208" width="644"]]
	1172	+)))
939	939
	1174	+(((
940	940	The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
941	941
	1177	+)))
942	942
943		-== 5.2 Replace Battery ==
	1179	+== (% _msthash="353795" _msttexthash="326703" %)5.2 Replace Battery(%%) ==
944	944
	1181	+(% _msthash="315399" _msttexthash="11289278" %)
945	945	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.
946	946
947		-[[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
	1184	+[[image:image-20220515075440-2.png||_mstalt="429546" height="338" width="272"]][[image:image-20220515075625-3.png||_mstalt="431574" height="193" width="257"]]
948	948
949		-== 5.3 Battery Life Analyze ==
	1186	+== (% _msthash="494650" _msttexthash="462241" %)5.3 Battery Life Analyze(%%) ==
950	950
	1188	+(((
	1189	+(% _msthash="506268" _msttexthash="35479028" %)
951	951	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:
952	952	https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
	1192	+)))
953	953
954		-= 6. Order Info =
	1194	+= (% _msthash="183170" _msttexthash="163566" %)6. Order Info(%%) =
955	955
956		-Part Number: (% class="mark" %)**LHT65N-XX**
	1196	+(((
	1197	+(% _msthash="506269" _msttexthash="432432" %)
	1198	+Part Number: (% style="color:#4f81bd" %)** LHT65N-XX-YY**
	1199	+)))
957	957
958		-**XX**: The default frequency band
	1201	+(((
	1202	+(% _msthash="506270" _msttexthash="686946" %)
	1203	+(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
	1204	+)))
959	959
960		-* **AS923**: LoRaWAN AS923 band
961		-* **AU915**: LoRaWAN AU915 band
962		-* **EU433**: LoRaWAN EU433 band
963		-* **EU868**: LoRaWAN EU868 band
964		-* **KR920**: LoRaWAN KR920 band
965		-* **US915**: LoRaWAN US915 band
966		-* **IN865**: LoRaWAN IN865 band
967		-* **CN470**: LoRaWAN CN470 band
	1206	+* (((
	1207	+(% _msthash="903327" _msttexthash="393341" %)
	1208	+(% style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
	1209	+)))
	1210	+* (((
	1211	+(% _msthash="903328" _msttexthash="394576" %)
	1212	+(% style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
	1213	+)))
	1214	+* (((
	1215	+(% _msthash="903329" _msttexthash="393913" %)
	1216	+(% style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
	1217	+)))
	1218	+* (((
	1219	+(% _msthash="903330" _msttexthash="399087" %)
	1220	+(% style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
	1221	+)))
	1222	+* (((
	1223	+(% _msthash="903331" _msttexthash="395109" %)
	1224	+(% style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
	1225	+)))
	1226	+* (((
	1227	+(% _msthash="903332" _msttexthash="400842" %)
	1228	+(% style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
	1229	+)))
	1230	+* (((
	1231	+(% _msthash="903333" _msttexthash="396487" %)
	1232	+(% style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
	1233	+)))
	1234	+* (((
	1235	+(% _msthash="903334" _msttexthash="390923" %)
	1236	+(% style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
	1237	+)))
968	968
969		-**YY**: Sensor Accessories
	1239	+(((
	1240	+(% _msthash="506271" _msttexthash="443495" %)
	1241	+(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
	1242	+)))
970	970
971		-* **E3**: External Temperature Probe
	1244	+* (((
	1245	+(% _msthash="903335" _msttexthash="720135" %)
	1246	+(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
	1247	+)))
972	972
973		-= 7. Packing Info =
	1249	+= (% _msthash="233363" _msttexthash="211237" %)7. Packing Info(%%) =
974	974
	1251	+(((
	1252	+(% _msthash="506272" _msttexthash="295386" %)
975	975	**Package Includes**:
	1254	+)))
976	976
977		-* LHT65N Temperature & Humidity Sensor x 1
978		-* Program cable x 1
979		-* Optional external sensor
	1256	+* (((
	1257	+(% _msthash="903336" _msttexthash="1033149" %)
	1258	+LHT65N Temperature & Humidity Sensor x 1
	1259	+)))
	1260	+* (((
	1261	+(% _msthash="903337" _msttexthash="242567" %)
	1262	+Program cable x 1
	1263	+)))
	1264	+* (((
	1265	+(% _msthash="903338" _msttexthash="544167" %)
	1266	+Optional external sensor
	1267	+)))
980	980
	1269	+(((
	1270	+(% _msthash="506273" _msttexthash="403858" %)
981	981	**Dimension and weight**:
	1272	+)))
982	982
983		-* Device Size:  13.5 x 7 x 3 cm
984		-* Device Weight: 105g
985		-* Package Size / pcs : 14.5 x 8 x 5 cm
986		-* Weight / pcs : 170g
	1274	+* (((
	1275	+(% _msthash="903339" _msttexthash="391807" %)
	1276	+Device Size:  13.5 x 7 x 3 cm
	1277	+)))
	1278	+* (((
	1279	+(% _msthash="903340" _msttexthash="285298" %)
	1280	+Device Weight: 105g
	1281	+)))
	1282	+* (((
	1283	+(% _msthash="903341" _msttexthash="562926" %)
	1284	+Package Size / pcs : 14.5 x 8 x 5 cm
	1285	+)))
	1286	+* (((
	1287	+(% _msthash="903342" _msttexthash="227084" %)
	1288	+Weight / pcs : 170g
	1289	+)))
987	987
988		-= 8. FCC Warning =
	1291	+= (% _msthash="198744" _msttexthash="178776" %)8. FCC Warning(%%) =
989	989
	1293	+(((
	1294	+(% _msthash="506274" _msttexthash="6034353" %)
990	990	This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
	1296	+)))
991	991
	1298	+(((
	1299	+(% _msthash="506275" _msttexthash="44097638" %)
992	992	(1) This device may not cause harmful interference；
	1301	+)))
993	993
	1303	+(((
	1304	+(% _msthash="506276" _msttexthash="7559773" %)
994	994	(2) this device must accept any interference received, including interference that may cause undesired operation.
	1306	+)))

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