Last modified by Mengting Qiu on 2024/04/30 14:27
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From version < 55.4 >
edited by Xiaoling
on 2022/05/23 11:51
To version < 70.2 >
edited by Xiaoling
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Summary

Details

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Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20220523111447-1.jpeg||height="448" width="448"]]
2 +[[image:image-20220523115324-1.jpeg||height="500" width="500"]]
3 3  
4 -{{box cssClass="floatinginfobox" title="**Contents**"}}
5 -{{toc/}}
6 -{{/box}}
7 7  
5 +**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
6 +
7 +
8 +
9 +**Table of Contents：**
10 +
8 8  {{toc/}}
9 9  
10 10  
... ... @@ -13,18 +13,29 @@
13 13  
14 14  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
15 15  
19 +(((
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 +)))
16 16  
17 -The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a(% class="mark" %) **built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% class="mark" %)**Temperature Sensor**(%%)**.**
18 -
23 +(((
19 19  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 +)))
20 20  
27 +(((
21 21  LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
29 +)))
22 22  
31 +(((
23 23  LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
33 +)))
24 24  
25 -LHT65N supports (% class="mark" %)Datalog Feature(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
35 +(((
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 +)))
26 26  
39 +(((
27 27  *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
41 +)))
28 28  
29 29  == 1.2 Features ==
30 30  
... ... @@ -42,36 +42,69 @@
42 42  
43 43  == 1.3 Specification ==
44 44  
59 +(((
45 45  **Built-in Temperature Sensor:**
61 +)))
46 46  
47 -* Resolution: 0.01 °C
48 -* Accuracy Tolerance : Typ ±0.3 °C
49 -* Long Term Drift: < 0.02 °C/yr
50 -* Operating Range: -40 ~~ 85 °C
63 +* (((
64 +Resolution: 0.01 °C
65 +)))
66 +* (((
67 +Accuracy Tolerance : Typ ±0.3 °C
68 +)))
69 +* (((
70 +Long Term Drift: < 0.02 °C/yr
71 +)))
72 +* (((
73 +Operating Range: -40 ~~ 85 °C
74 +)))
51 51  
76 +(((
52 52  **Built-in Humidity Sensor:**
78 +)))
53 53  
54 -* Resolution: 0.04 %RH
55 -* Accuracy Tolerance : Typ ±3 %RH
56 -* Long Term Drift: < 0.02 °C/yr
57 -* Operating Range: 0 ~~ 96 %RH
80 +* (((
81 +Resolution: 0.04 %RH
82 +)))
83 +* (((
84 +Accuracy Tolerance : Typ ±3 %RH
85 +)))
86 +* (((
87 +Long Term Drift: < 0.02 °C/yr
88 +)))
89 +* (((
90 +Operating Range: 0 ~~ 96 %RH
91 +)))
58 58  
93 +(((
59 59  **External Temperature Sensor:**
95 +)))
60 60  
61 -* Resolution: 0.0625 °C
62 -* ±0.5°C accuracy from -10°C to +85°C
63 -* ±2°C accuracy from -55°C to +125°C
64 -* Operating Range: -55 °C ~~ 125 °C
97 +* (((
98 +Resolution: 0.0625 °C
99 +)))
100 +* (((
101 +±0.5°C accuracy from -10°C to +85°C
102 +)))
103 +* (((
104 +±2°C accuracy from -55°C to +125°C
105 +)))
106 +* (((
107 +Operating Range: -55 °C ~~ 125 °C
108 +)))
65 65  
66 66  = 2. Connect LHT65N to IoT Server =
67 67  
68 68  == 2.1 How does LHT65N work? ==
69 69  
114 +(((
70 70  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 +)))
71 71  
118 +(((
72 72  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 +)))
73 73  
74 -
75 75  == 2.2 How to Activate LHT65N? ==
76 76  
77 77  The LHT65N has two working modes:
... ... @@ -79,15 +79,17 @@
79 79  * **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
80 80  * **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. 
81 81  
129 +(((
82 82  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
131 +)))
83 83  
84 84  [[image:image-20220515123819-1.png||height="379" width="317"]]
85 85  
86 -(% border="1" %)
87 -|**Behavior on ACT**|**Function**|**Action**
88 -|**Pressing ACT between 1s < time < 3s**|Test uplink status|If LHT65N is already Joined to the LoRaWAN network, LHT65N will send an uplink packet, if LHT65N has an external sensor connected, blue led will blink once. If LHT65N has no external sensor, red led will blink once.
89 -|**Pressing ACT for more than 3s**|Active Device|green led will fast blink 5 times, LHT65N will enter working mode and start to JOIN LoRaWAN network. green led will solid turn on for 5 seconds after join in network.
90 -|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
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.
91 91  
92 92  == 2.3 Example to join LoRaWAN network ==
93 93  
... ... @@ -114,10 +114,8 @@
114 114  
115 115  [[image:image-20220522232916-3.png]]
116 116  
117 -
118 118  [[image:image-20220522232932-4.png]]
119 119  
120 -
121 121  [[image:image-20220522232954-5.png]]
122 122  
123 123  Note: LHT65N use same payload as LHT65.
... ... @@ -134,27 +134,55 @@
134 134  
135 135  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.
136 136  
137 -[[image:image-20220522233300-8.png]]
184 +[[image:image-20220522233300-8.png||height="219" width="722"]]
138 138  
139 139  
140 140  == 2.4 Uplink Payload ==
141 141  
142 -The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
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.
143 143  
144 -After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
191 +After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
145 145  
146 146  
147 -(% border="1" style="width:572px" %)
148 -|(% style="width:106px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:128px" %)**2**|(% style="width:103px" %)**2**|(% style="width:72px" %)**1**|(% style="width:89px" %)**4**
149 -|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
150 -[[Built-In>>path:#SHT20_Temperature]]
194 +(% border="1" style="background-color:#ffffcc; color:green; width:428px" %)
195 +|(% style="width:106px" %)(((
196 +**Size(bytes)**
197 +)))|(% style="width:46px" %)(((
198 +**2**
199 +)))|(% style="width:104px" %)(((
200 +**2**
201 +)))|(% style="width:80px" %)(((
202 +**2**
203 +)))|(% style="width:51px" %)(((
204 +**1**
205 +)))|(% style="width:35px" %)(((
206 +**4**
207 +)))
208 +|(% style="width:106px" %)(((
209 +**Value**
210 +)))|(% style="width:46px" %)(((
211 +[[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]]
212 +)))|(% style="width:104px" %)(((
213 +(((
214 +[[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]]
215 +)))
151 151  
152 -[[Temperature>>path:#SHT20_Temperature]]
153 -)))|(% style="width:103px" %)(((
154 -[[Built-in>>path:#SHT20_Humidity]]
217 +(((
218 +[[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]]
219 +)))
220 +)))|(% style="width:80px" %)(((
221 +(((
222 +[[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]]
223 +)))
155 155  
156 -[[Humidity>>path:#SHT20_Humidity]]
157 -)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
225 +(((
226 +[[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]]
227 +)))
228 +)))|(% style="width:51px" %)(((
229 +[[Ext>>path:#Extension_Sensor]] #
230 +)))|(% style="width:35px" %)(((
231 +[[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]]
232 +)))
158 158  
159 159  * The First 6 bytes: has fix meanings for every LHT65N.
160 160  * The 7th byte (EXT #): defines the external sensor model.
... ... @@ -168,28 +168,47 @@
168 168  
169 169  [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
170 170  
171 -[[image:image-20220522234118-10.png]]
246 +[[image:image-20220522234118-10.png||height="353" width="729"]]
172 172  
173 -
174 174  === 2.4.2 BAT-Battery Info ===
175 175  
176 176  These two bytes of BAT include the battery state and the actually voltage
177 177  
178 -(% style="width:646px" %)
179 -|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
180 -|Value|(% style="width:272px" %)(((
252 +(% border="1" style="background-color:#ffffcc; color:green; width:502px" %)
253 +|(% style="width:75px" %)(((
254 +Bit(bit)
255 +)))|(% style="width:259px" %)(((
256 +[15:14]
257 +)))|(% style="width:164px" %)(((
258 +[13:0]
259 +)))
260 +|(% style="width:75px" %)(((
261 +Value
262 +)))|(% style="width:259px" %)(((
263 +(((
181 181  BAT Status
265 +)))
182 182  
267 +(((
183 183  00(b): Ultra Low ( BAT <= 2.50v)
269 +)))
184 184  
271 +(((
185 185  01(b): Low  (2.50v <=BAT <= 2.55v)
273 +)))
186 186  
275 +(((
187 187  10(b): OK   (2.55v <= BAT <=2.65v)
277 +)))
188 188  
279 +(((
189 189  11(b): Good   (BAT >= 2.65v)
190 -)))|(% style="width:214px" %)Actually BAT voltage
281 +)))
282 +)))|(% style="width:164px" %)(((
283 +Actually BAT voltage
284 +)))
191 191  
192 -[[image:image-20220522235639-1.png]]
286 +[[image:image-20220522235639-1.png||height="139" width="727"]]
193 193  
194 194  Check the battery voltage for LHT65N.
195 195  
... ... @@ -198,7 +198,7 @@
198 198  
199 199  === 2.4.3 Built-in Temperature ===
200 200  
201 -[[image:image-20220522235639-2.png]]
295 +[[image:image-20220522235639-2.png||height="138" width="722"]]
202 202  
203 203  * Temperature:  0x0ABB/100=27.47℃
204 204  
... ... @@ -208,7 +208,7 @@
208 208  
209 209  === 2.4.4 Built-in Humidity ===
210 210  
211 -[[image:image-20220522235639-4.png]]
305 +[[image:image-20220522235639-4.png||height="138" width="722"]]
212 212  
213 213  * Humidity:    0x025C/10=60.4%
214 214  
... ... @@ -216,10 +216,10 @@
216 216  
217 217  Bytes for External Sensor:
218 218  
219 -(% style="width:624px" %)
220 -|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
221 -|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
222 -|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
313 +(% border="1" style="background-color:#ffffcc; color:green; width:473px" %)
314 +|(% style="width:139px" %)**EXT # Value**|(% style="width:331px" %)**External Sensor Type**
315 +|(% style="width:139px" %)0x01|(% style="width:331px" %)Sensor E3, Temperature Sensor
316 +|(% style="width:139px" %)0x09|(% style="width:331px" %)Sensor E3, Temperature Sensor, Datalog Mod
223 223  
224 224  === 2.4.6 Ext value ===
225 225  
... ... @@ -235,9 +235,13 @@
235 235  
236 236  * External temperature= (0xF54F-65536)/100=-27.37℃
237 237  
332 +(((
238 238  The last 2 bytes of data are meaningless
334 +)))
239 239  
336 +(((
240 240  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
338 +)))
241 241  
242 242  
243 243  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
... ... @@ -244,30 +244,27 @@
244 244  
245 245  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:
246 246  
345 +(% border="1" style="background-color:#ffffcc; color:green; width:541px" %)
346 +|(% style="width:96px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:69px" %)**2**|(% style="width:88px" %)**2**|(% style="width:69px" %)**1**|(% style="width:85px" %)**4**
347 +|(% 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" %)(((
348 +[[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]]
247 247  
248 -(% border="1" style="width:697px" %)
249 -|(% style="width:96px" %)**Size(bytes)**|(% style="width:164px" %)**2**|(% style="width:104px" %)**2**|(% style="width:106px" %)**2**|(% style="width:108px" %)**1**|(% style="width:116px" %)**4**
250 -|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
251 -[[Built-In>>path:#SHT20_Temperature]]
350 +[[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]]
351 +)))|(% style="width:88px" %)(((
352 +BAT Status &
252 252  
253 -[[Temperature>>path:#SHT20_Temperature]]
254 -)))|(% style="width:106px" %)(((
255 -[[BAT Status &>>path:#BAT_Humidity]]
354 +[[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]]
256 256  
257 -[[Built-in>>path:#BAT_Humidity]]
258 -
259 -[[Humidity>>path:#BAT_Humidity]]
260 -)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
261 -[[Unix>>path:#Unix_Time_Stamp]]
262 -
263 -[[Time Stamp>>path:#Unix_Time_Stamp]]
356 +[[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]]
357 +)))|(% style="width:69px" %)Status & Ext|(% style="width:85px" %)(((
358 +[[Unix 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]]
264 264  )))
265 265  
266 -* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
361 +* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
267 267  
268 -(% border="1" style="width:587px" %)
269 -|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
270 -|Value|(% style="width:280px" %)(((
363 +(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
364 +|(% style="width:65px" %)Bit(bit)|(% style="width:267px" %)[15:14]|(% style="width:134px" %)[11:0]
365 +|(% style="width:65px" %)Value|(% style="width:267px" %)(((
271 271  BAT Status
272 272  
273 273  00(b): Ultra Low ( BAT <= 2.50v)
... ... @@ -277,8 +277,8 @@
277 277  10(b): OK   (2.55v <= BAT <=2.65v)
278 278  
279 279  11(b): Good   (BAT >= 2.65v)
280 -)))|(% style="width:136px" %)(((
281 -[[Built-in Humidity>>path:#SHT20_Humidity]]
375 +)))|(% style="width:134px" %)(((
376 +[[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]]
282 282  
283 283  
284 284  )))
... ... @@ -285,12 +285,10 @@
285 285  
286 286  * **Status & Ext Byte**
287 287  
288 -(% border="1" style="width:732px" %)
289 -|(% style="width:128px" %)**Bits**|(% style="width:102px" %)**7**|(% style="width:145px" %)**6**|(% style="width:117px" %)**5**|(% style="width:147px" %)**4**|(% style="width:90px" %)**[3:0]**
290 -|(% style="width:128px" %)**Status & Ext**|(% style="width:102px" %)Not Defined|(% style="width:145px" %)Poll Message Flag|(% style="width:117px" %)Sync time OK|(% style="width:147px" %)Unix Time Request|(% style="width:90px" %)(((
291 -Ext:
292 -
293 -0b(1001)
383 +(% border="1" style="background-color:#ffffcc; color:green; width:587px" %)
384 +|(% style="width:109px" %)**Bits**|(% style="width:105px" %)**7**|(% style="width:105px" %)**6**|(% style="width:82px" %)**5**|(% style="width:84px" %)**4**|(% style="width:97px" %)**[3:0]**
385 +|(% style="width:109px" %)**Status & Ext**|(% style="width:105px" %)Not Defined|(% style="width:105px" %)Poll Message Flag|(% style="width:82px" %)Sync time OK|(% style="width:84px" %)Unix Time Request|(% style="width:97px" %)(((
386 +Ext:0b(1001)
294 294  )))
295 295  
296 296  * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
... ... @@ -301,12 +301,17 @@
301 301  
302 302  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:
303 303  
397 +(((
304 304  **Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
399 +)))
305 305  
401 +(((
306 306  **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.
403 +)))
307 307  
308 -
405 +(((
309 309  Add Datacake:
407 +)))
310 310  
311 311  [[image:image-20220523000825-7.png||height="262" width="583"]]
312 312  
... ... @@ -315,16 +315,12 @@
315 315  
316 316  [[image:image-20220523000825-8.png||height="453" width="406"]]
317 317  
318 -
319 319  In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
320 320  
321 321  [[image:image-20220523000825-9.png||height="366" width="392"]]
322 322  
420 +[[image:image-20220523000825-10.png||height="413" width="728"]]
323 323  
324 -
325 -[[image:image-20220523000825-10.png||height="432" width="762"]]
326 -
327 -
328 328  == 2.6 Datalog Feature ==
329 329  
330 330  This feature is always enabled. When user wants to retrieve the sensor value, he can send a poll command from the IoT platform to ask LHT65N to send the value in the required time slot.
... ... @@ -336,50 +336,76 @@
336 336  [[image:image-20220523001219-11.png||height="97" width="627"]]
337 337  
338 338  
433 +(((
339 339  User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
435 +)))
340 340  
437 +(((
341 341  Below is the converter example
439 +)))
342 342  
343 -[[image:image-20220523001219-12.png||height="302" width="730"]]
441 +[[image:image-20220523001219-12.png||height="298" width="720"]]
344 344  
345 345  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
346 346  
347 -
348 348  === 2.6.2 Set Device Time ===
349 349  
447 +(((
350 350  There are two ways to set device’s time:
449 +)))
351 351  
451 +(((
352 352  **~1. Through LoRaWAN MAC Command (Default settings)**
453 +)))
353 353  
455 +(((
354 354  User need to set SYNCMOD=1 to enable sync time via MAC command.
457 +)))
355 355  
459 +(((
356 356  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).
461 +)))
357 357  
463 +(((
358 358  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.
465 +)))
359 359  
467 +(((
468 +
469 +)))
360 360  
471 +(((
361 361  **2. Manually Set Time**
473 +)))
362 362  
475 +(((
363 363  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
477 +)))
364 364  
365 -
366 366  === 2.6.3 Poll sensor value ===
367 367  
368 368  User can poll sensor value based on timestamps from the server. Below is the downlink command.
369 369  
370 370  
371 -(% border="1" style="width:454px" %)
372 -|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
373 -|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
484 +(% border="1" style="background-color:#ffffcc; color:green; width:427px" %)
485 +|(% style="width:61px" %)1byte|(% style="width:126px" %)4bytes|(% style="width:120px" %)4bytes|(% style="width:115px" %)1byte
486 +|(% style="width:61px" %)31|(% style="width:126px" %)Timestamp start|(% style="width:120px" %)Timestamp end|(% style="width:115px" %)Uplink Interval
374 374  
488 +(((
375 375  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.
490 +)))
376 376  
492 +(((
493 +For example, downlink command **31 5FC5F350 5FC6 0160 05**
494 +)))
377 377  
378 -For example, downlink command 31 5FC5F350 5FC6 0160 05
379 -
496 +(((
380 380  Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
498 +)))
381 381  
500 +(((
382 382  Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
502 +)))
383 383  
384 384  
385 385  === 2.6.4 Datalog Uplink payload ===
... ... @@ -386,52 +386,104 @@
386 386  
387 387  The Datalog poll reply uplink will use below payload format.
388 388  
509 +(((
510 +**Retrieval data payload**
511 +)))
389 389  
390 -Retrieval data payload
513 +(% border="1" style="background-color:#ffffcc; color:green; width:545px" %)
514 +|(% style="width:93px" %)(((
515 +**Size(bytes)**
516 +)))|(% style="width:71px" %)(((
517 +**2**
518 +)))|(% style="width:102px" %)(((
519 +**2**
520 +)))|(% style="width:86px" %)(((
521 +**2**
522 +)))|(% style="width:90px" %)(((
523 +**1**
524 +)))|(% style="width:85px" %)(((
525 +**4**
526 +)))
527 +|(% style="width:93px" %)(((
528 +**Value**
529 +)))|(% style="width:71px" %)(((
530 +[[External sensor data>>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]]
531 +)))|(% style="width:102px" %)(((
532 +(((
533 +[[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]]
534 +)))
391 391  
392 -(% border="1" %)
393 -|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
394 -|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
395 -[[Built-In>>path:#SHT20_Temperature]]
536 +(((
537 +[[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]]
538 +)))
539 +)))|(% style="width:86px" %)(((
540 +(((
541 +[[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]]
542 +)))
396 396  
397 -[[Temperature>>path:#SHT20_Temperature]]
398 -)))|(((
399 -[[Built-in>>path:#SHT20_Humidity]]
544 +(((
545 +[[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]]
546 +)))
547 +)))|(% style="width:90px" %)(((
548 +[[Poll message flag & Ext>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.6.4DatalogUplinkpayload]]
549 +)))|(% style="width:85px" %)(((
550 +(((
551 +[[Unix 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/#H2.6.1UnixTimeStamp]]
552 +)))
400 400  
401 -[[Humidity>>path:#SHT20_Humidity]]
402 -)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
403 -[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
404 -
554 +(((
405 405  
406 406  )))
557 +)))
407 407  
408 -Poll message flag & Ext
559 +**Poll message flag & Ext**
409 409  
410 -
411 -(% border="1" %)
412 -|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
413 -|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
561 +(% border="1" style="background-color:#ffffcc; color:green; width:540px" %)
562 +|(% style="width:81px" %)**Bits**|(% style="width:100px" %)**7**|(% style="width:105px" %)**6**|(% style="width:84px" %)**5**|(% style="width:85px" %)**4**|(% style="width:79px" %)**[3:0]**
563 +|(% style="width:81px" %)**Status & Ext**|(% style="width:100px" %)Not Defined|(% style="width:105px" %)Poll Message Flag|(% style="width:84px" %)Sync time OK|(% style="width:85px" %)Unix Time Request|(% style="width:79px" %)(((
564 +(((
414 414  Ext:
566 +)))
415 415  
568 +(((
416 416  0b(1001)
417 417  )))
571 +)))
418 418  
573 +(((
419 419  Poll Message Flag: 1: This message is a poll message reply.
575 +)))
420 420  
421 -* Poll Message Flag is set to 1.
422 -* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
577 +* (((
578 +Poll Message Flag is set to 1.
579 +)))
580 +* (((
581 +Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
582 +)))
423 423  
584 +(((
424 424  For example, in US915 band, the max payload for different DR is:
586 +)))
425 425  
426 -a)      DR0: max is 11 bytes so one entry of data
588 +(((
589 +a) DR0: max is 11 bytes so one entry of data
590 +)))
427 427  
428 -b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
592 +(((
593 +b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
594 +)))
429 429  
430 -c)      DR2: total payload includes 11 entries of data
596 +(((
597 +c) DR2: total payload includes 11 entries of data
598 +)))
431 431  
432 -d)      DR3: total payload includes 22 entries of data.
600 +(((
601 +d) DR3: total payload includes 22 entries of data.
602 +)))
433 433  
604 +(((
434 434  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
606 +)))
435 435  
436 436  
437 437  **Example:**
... ... @@ -438,29 +438,10 @@
438 438  
439 439  If LHT65N has below data inside Flash:
440 440  
441 -Flash Addr   |Unix Time | Ext | BAT voltage|  Value                  
613 +[[image:image-20220523144455-1.png||height="335" width="735"]]
442 442  
443 -80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
615 +If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
444 444  
445 -80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
446 -
447 -8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
448 -
449 -8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
450 -
451 -8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
452 -
453 -8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
454 -
455 -8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
456 -
457 -8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
458 -
459 -
460 -If user sends below downlink command:
461 -
462 -3160065F9760066DA705
463 -
464 464   Where : Start time: 60065F97 = time 21/1/19 04:27:03
465 465  
466 466   Stop time 60066DA7= time 21/1/19 05:27:03
... ... @@ -486,35 +486,50 @@
486 486  
487 487  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
488 488  
489 -
490 490  == 2.7 Alarm Mode ==
491 491  
492 492  Alarm mode feature is added since firmware v1.5. When device is in Alarm mode, it will check the built-in sensor temperature in a short interval. If the temperature exceeds the pre-configure range, it will send an uplink immediately.
493 493  
646 +(% style="color:red" %)Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
494 494  
495 -Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
648 +**AT Commands for Alarm mode:**
496 496  
497 -
498 -AT Commands for Alarm mode:
499 -
650 +(% class="box infomessage" %)
651 +(((
500 500  **AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
653 +)))
501 501  
655 +(% class="box infomessage" %)
656 +(((
502 502  **AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
658 +)))
503 503  
504 -
505 -
506 506  == 2.8 LED Indicator ==
507 507  
662 +(((
508 508  The LHT65N has a triple color LED which for easy shows different stage.
664 +)))
509 509  
666 +(((
510 510  While pressing ACT button, the LED will work as per LED status with ACT button.
668 +)))
511 511  
670 +(((
512 512  In a normal working state:
672 +)))
513 513  
514 -* For each uplink, the BLUE LED or RED LED will blink once.
515 -* BLUE LED when an external sensor is connected
516 -* RED LED when an external sensor is not connected
517 -* For each success downlink, the PURPLE LED will blink once
674 +* (((
675 +For each uplink, the BLUE LED or RED LED will blink once.
676 +)))
677 +* (((
678 +BLUE LED when an external sensor is connected
679 +)))
680 +* (((
681 +RED LED when an external sensor is not connected
682 +)))
683 +* (((
684 +For each success downlink, the PURPLE LED will blink once
685 +)))
518 518  
519 519  ----
520 520  
... ... @@ -549,7 +549,7 @@
549 549  
550 550  There are two kinds of commands to configure LHT65N, they are:
551 551  
552 -* **General Commands**.
720 +(% style="color:#4f81bd" %)* **General Commands**.
553 553  
554 554  These commands are to configure:
555 555  
... ... @@ -560,7 +560,7 @@
560 560  
561 561  [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
562 562  
563 -* **Commands special design for LHT65N**
731 +(% style="color:#4f81bd" %)* **Commands special design for LHT65N**
564 564  
565 565  These commands are only valid for LHT65N, as below:
566 566  
... ... @@ -570,21 +570,8 @@
570 570  
571 571  **AT Command: AT+TDC**
572 572  
573 -(% border="1" %)
574 -|**Command Example**|**Function**|**Response**
575 -|AT+TDC?|Show current transmit Interval|(((
576 -30000
741 +[[image:image-20220523150701-2.png]]
577 577  
578 -OK
579 -
580 -the interval is 30000ms = 30s
581 -)))
582 -|AT+TDC=60000|Set Transmit Interval|(((
583 -OK
584 -
585 -Set transmit interval to 60000ms = 60 seconds
586 -)))
587 -
588 588  **Downlink Command: 0x01**
589 589  
590 590  Format: Command Code (0x01) followed by 3 bytes time value.
... ... @@ -591,8 +591,8 @@
591 591  
592 592  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
593 593  
594 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
595 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
749 +* **Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
750 +* **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
596 596  
597 597  == 4.2 Set External Sensor Mode ==
598 598  
... ... @@ -600,23 +600,13 @@
600 600  
601 601  **AT Command: AT+EXT**
602 602  
603 -(% border="1" %)
604 -|**Command Example**|**Function**|**Response**
605 -|AT+EXT?|Get current external sensor mode|(((
606 -1
758 +[[image:image-20220523150759-3.png]]
607 607  
608 -OK
609 -
610 -External Sensor mode =1
611 -)))
612 -|AT+EXT=1|(% colspan="2" %)Set external sensor mode to 1
613 -|AT+EXT=9|(% colspan="2" %)Set to external DS18B20 with timestamp
614 -
615 615  **Downlink Command: 0xA2**
616 616  
617 617  Total bytes: 2 ~~ 5 bytes
618 618  
619 -Example:
764 +**Example:**
620 620  
621 621  * 0xA201: Set external sensor type to E1
622 622  * 0xA209: Same as AT+EXT=9
... ... @@ -631,17 +631,14 @@
631 631  
632 632  PID is default set to disable (0)
633 633  
634 -
635 635  **AT Command:**
636 636  
637 -(% border="1" %)
638 -|**Command Example**|**Function**|**Response**
639 -|AT+PID=1|Enable PID uplink|OK
781 +[[image:image-20220523150928-4.png]]
640 640  
641 641  **Downlink Command:**
642 642  
643 -* 0xA800     à AT+PID=0
644 -* 0xA801     à AT+PID=1
785 +* 0xA800  **~-~->** AT+PID=0
786 +* 0xA801     **~-~->** AT+PID=1
645 645  
646 646  == 4.4 Set Password ==
647 647  
... ... @@ -649,16 +649,8 @@
649 649  
650 650  **AT Command: AT+PWORD**
651 651  
652 -(% border="1" %)
653 -|**Command Example**|**Function**|**Response**
654 -|AT+PWORD=?|Show password|(((
655 -123456
794 +[[image:image-20220523151052-5.png]]
656 656  
657 -
658 -OK
659 -)))
660 -|AT+PWORD=999999|Set password|OK
661 -
662 662  **Downlink Command:**
663 663  
664 664  No downlink command for this feature.
... ... @@ -669,15 +669,12 @@
669 669  
670 670  **AT Command: AT+DISAT**
671 671  
672 -(% border="1" %)
673 -|**Command Example**|**Function**|**Response**
674 -|AT+DISAT|Quit AT Commands mode|OK
806 +[[image:image-20220523151132-6.png]]
675 675  
676 676  **Downlink Command:**
677 677  
678 678  No downlink command for this feature.
679 679  
680 -
681 681  == 4.6 Set to sleep mode ==
682 682  
683 683  Feature: Set device to sleep mode
... ... @@ -684,15 +684,8 @@
684 684  
685 685  **AT Command: AT+SLEEP**
686 686  
687 -(% border="1" %)
688 -| | |
689 -|**Command Example**|**Function**|**Response**
690 -|AT+SLEEP|Set to sleep mode|(((
691 -Clear all stored sensor data…
818 +[[image:image-20220523151218-7.png]]
692 692  
693 -OK
694 -)))
695 -
696 696  **Downlink Command:**
697 697  
698 698  * There is no downlink command to set to Sleep mode.
... ... @@ -703,14 +703,8 @@
703 703  
704 704  **AT Command:**
705 705  
706 -(% border="1" %)
707 -|**Command Example**|**Function**
708 -|AT+TIMESTAMP=1611104352|(((
709 -OK
830 +[[image:image-20220523151253-8.png]]
710 710  
711 -Set System time to 2021-01-20 00:59:12
712 -)))
713 -
714 714  **Downlink Command:**
715 715  
716 716  0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
... ... @@ -721,11 +721,9 @@
721 721  
722 722  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.
723 723  
724 -
725 725  **AT Command:**
726 726  
727 -|**Command Example**|**Function**
728 -|AT+SYNCMOD=1|Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
844 +[[image:image-20220523151336-9.png]]
729 729  
730 730  **Downlink Command:**
731 731  
... ... @@ -739,9 +739,7 @@
739 739  
740 740  **AT Command:**
741 741  
742 -(% border="1" %)
743 -|**Command Example**|**Function**
744 -|AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
858 +[[image:image-20220523151411-10.png]]
745 745  
746 746  **Downlink Command:**
747 747  
... ... @@ -753,51 +753,8 @@
753 753  
754 754  **AT Command: AT+PDTA**
755 755  
756 -(% border="1" %)
757 -|**Command Example**|**Response**
758 -|(((
759 -AT+PDTA=1,3
870 +[[image:image-20220523151450-11.png]]
760 760  
761 -
762 -
763 -Print page 1 to 3
764 -)))|(((
765 -8019500 19/6/26 16:48 1 2992 sht_temp=28.21 sht_hum=71.5 ds_temp=27.31
766 -
767 -8019510 19/6/26 16:53 1 2994 sht_temp=27.64 sht_hum=69.3 ds_temp=26.93
768 -
769 -8019520 19/6/26 16:58 1 2996 sht_temp=28.39 sht_hum=72.0 ds_temp=27.06
770 -
771 -8019530 19/6/26 17:03 1 2996 sht_temp=27.97 sht_hum=70.4 ds_temp=27.12
772 -
773 -8019540 19/6/26 17:08 1 2996 sht_temp=27.80 sht_hum=72.9 ds_temp=27.06
774 -
775 -8019550 19/6/26 17:13 1 2998 sht_temp=27.30 sht_hum=72.4 ds_temp=26.68
776 -
777 -8019560 19/6/26 17:22 1 2992 sht_temp=26.27 sht_hum=62.3 ds_temp=26.56
778 -
779 -8019570
780 -
781 -8019580
782 -
783 -8019590
784 -
785 -80195A0
786 -
787 -80195B0
788 -
789 -80195C0
790 -
791 -80195D0
792 -
793 -80195E0
794 -
795 -80195F0
796 -
797 -
798 -OK
799 -)))
800 -
801 801  **Downlink Command:**
802 802  
803 803  No downlink commands for feature
... ... @@ -808,32 +808,8 @@
808 808  
809 809  **AT Command: AT+PLDTA**
810 810  
811 -(% border="1" %)
812 -|**Command Example**|**Response**
813 -|(((
814 -AT+PLDTA=5
882 +[[image:image-20220523151524-12.png]]
815 815  
816 -
817 -
818 -Print last 5 entries
819 -)))|(((
820 -Stop Tx and RTP events when read sensor data
821 -
822 -1 19/6/26 13:59 1 3005 sht_temp=27.09 sht_hum=79.5 ds_temp=26.75
823 -
824 -2 19/6/26 14:04 1 3007 sht_temp=26.65 sht_hum=74.8 ds_temp=26.43
825 -
826 -3 19/6/26 14:09 1 3007 sht_temp=26.91 sht_hum=77.9 ds_temp=26.56
827 -
828 -4 19/6/26 14:15 1 3007 sht_temp=26.93 sht_hum=76.7 ds_temp=26.75
829 -
830 -5 19/6/26 14:20 1 3007 sht_temp=26.78 sht_hum=76.6 ds_temp=26.43
831 -
832 -Start Tx and RTP events
833 -
834 -OK
835 -)))
836 -
837 837  **Downlink Command:**
838 838  
839 839  No downlink commands for feature
... ... @@ -844,14 +844,8 @@
844 844  
845 845  **AT Command: AT+CLRDTA**
846 846  
847 -(% border="1" %)
848 -|**Command Example**|**Function**|**Response**
849 -|AT+CLRDTA|Clear date record|(((
850 -Clear all stored sensor data…
894 +[[image:image-20220523151556-13.png]]
851 851  
852 -OK
853 -)))
854 -
855 855  **Downlink Command: 0xA3**
856 856  
857 857  * Example: 0xA301 ~/~/Same as AT+CLRDTA
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