Last modified by Mengting Qiu on 2024/04/30 14:27
<
From version < 100.4 >
edited by Xiaoling
on 2022/05/25 11:43
To version < 55.2 >
edited by Xiaoling
on 2022/05/23 11:28
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Summary

Details

Page properties
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20220523115324-1.jpeg||height="317" width="317"]]
2 +[[image:image-20220523111447-1.jpeg||height="448" width="448"]]
3 3  
4 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 +{{toc/}}
6 +{{/box}}
4 4  
5 -**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
6 -
7 -
8 -
9 -
10 -**Table of Contents：**
11 -
12 12  {{toc/}}
13 13  
10 += 1.Introduction =
14 14  
15 -
16 -
17 -= 1. Introduction =
18 -
19 19  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
20 20  
21 -(((
22 -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**(%%)**.**
23 -)))
24 24  
25 -(((
15 +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**(%%)**.**
16 +
26 26  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.
27 -)))
28 28  
29 -(((
30 30  LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
31 -)))
32 32  
33 -(((
34 34  LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
35 -)))
36 36  
37 -(((
38 -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.
39 -)))
23 +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.
40 40  
41 -(((
42 42  *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
43 -)))
44 44  
45 45  == 1.2 Features ==
46 46  
... ... @@ -58,69 +58,36 @@
58 58  
59 59  == 1.3 Specification ==
60 60  
61 -(((
62 62  **Built-in Temperature Sensor:**
63 -)))
64 64  
65 -* (((
66 -Resolution: 0.01 °C
67 -)))
68 -* (((
69 -Accuracy Tolerance : Typ ±0.3 °C
70 -)))
71 -* (((
72 -Long Term Drift: < 0.02 °C/yr
73 -)))
74 -* (((
75 -Operating Range: -40 ~~ 85 °C
76 -)))
45 +* Resolution: 0.01 °C
46 +* Accuracy Tolerance : Typ ±0.3 °C
47 +* Long Term Drift: < 0.02 °C/yr
48 +* Operating Range: -40 ~~ 85 °C
77 77  
78 -(((
79 79  **Built-in Humidity Sensor:**
80 -)))
81 81  
82 -* (((
83 -Resolution: 0.04 %RH
84 -)))
85 -* (((
86 -Accuracy Tolerance : Typ ±3 %RH
87 -)))
88 -* (((
89 -Long Term Drift: < 0.02 °C/yr
90 -)))
91 -* (((
92 -Operating Range: 0 ~~ 96 %RH
93 -)))
52 +* Resolution: 0.04 %RH
53 +* Accuracy Tolerance : Typ ±3 %RH
54 +* Long Term Drift: < 0.02 °C/yr
55 +* Operating Range: 0 ~~ 96 %RH
94 94  
95 -(((
96 96  **External Temperature Sensor:**
97 -)))
98 98  
99 -* (((
100 -Resolution: 0.0625 °C
101 -)))
102 -* (((
103 -±0.5°C accuracy from -10°C to +85°C
104 -)))
105 -* (((
106 -±2°C accuracy from -55°C to +125°C
107 -)))
108 -* (((
109 -Operating Range: -55 °C ~~ 125 °C
110 -)))
59 +* Resolution: 0.0625 °C
60 +* ±0.5°C accuracy from -10°C to +85°C
61 +* ±2°C accuracy from -55°C to +125°C
62 +* Operating Range: -55 °C ~~ 125 °C
111 111  
112 112  = 2. Connect LHT65N to IoT Server =
113 113  
114 114  == 2.1 How does LHT65N work? ==
115 115  
116 -(((
117 117  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.
118 -)))
119 119  
120 -(((
121 121  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.
122 -)))
123 123  
72 +
124 124  == 2.2 How to Activate LHT65N? ==
125 125  
126 126  The LHT65N has two working modes:
... ... @@ -128,13 +128,15 @@
128 128  * **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
129 129  * **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. 
130 130  
131 -(((
132 132  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
133 -)))
134 134  
135 135  [[image:image-20220515123819-1.png||height="379" width="317"]]
136 136  
137 -[[image:image-20220525110604-2.png]]
84 +(% border="1" %)
85 +|**Behavior on ACT**|**Function**|**Action**
86 +|**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.
87 +|**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.
88 +|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
138 138  
139 139  == 2.3 Example to join LoRaWAN network ==
140 140  
... ... @@ -147,7 +147,7 @@
147 147  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:
148 148  
149 149  
150 -=== 2.3.1 Step 1: Create Device n TTN ===
101 +=== **2.3.1 Step 1**: Create Device n TTN ===
151 151  
152 152  Create a device in TTN V3 with the OTAA keys from LHT65N.
153 153  
... ... @@ -161,8 +161,10 @@
161 161  
162 162  [[image:image-20220522232916-3.png]]
163 163  
115 +
164 164  [[image:image-20220522232932-4.png]]
165 165  
118 +
166 166  [[image:image-20220522232954-5.png]]
167 167  
168 168  Note: LHT65N use same payload as LHT65.
... ... @@ -179,55 +179,33 @@
179 179  
180 180  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.
181 181  
182 -[[image:image-20220522233300-8.png||height="219" width="722"]]
135 +[[image:image-20220522233300-8.png]]
183 183  
184 184  
185 -== 2.4 Uplink Payload ==
138 +== Uplink Payload: ==
186 186  
187 -The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
140 +The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
188 188  
189 -After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
142 +After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
190 190  
191 -(% border="1" style="background-color:#ffffcc; color:green; width:426px" %)
192 -|(% style="width:97px" %)(((
193 -**Size(bytes)**
194 -)))|(% style="width:39px" %)(((
195 -**2**
196 -)))|(% style="width:100px" %)(((
197 -**2**
198 -)))|(% style="width:77px" %)(((
199 -**2**
200 -)))|(% style="width:47px" %)(((
201 -**1**
202 -)))|(% style="width:51px" %)(((
203 -**4**
204 -)))
205 -|(% style="width:97px" %)(((
206 -**Value**
207 -)))|(% style="width:39px" %)(((
208 -[[BAT>>||anchor="H2.4.2BAT-BatteryInfo"]]
209 -)))|(% style="width:100px" %)(((
210 -(((
211 -[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature"]]
212 -)))
213 -)))|(% style="width:77px" %)(((
214 -(((
215 -[[Built-in>>||anchor="H2.4.4Built-inHumidity"]]
216 -)))
217 -(((
218 -[[Humidity>>||anchor="H2.4.4Built-inHumidity"]]
219 -)))
220 -)))|(% style="width:47px" %)(((
221 -[[Ext>>||anchor="H2.4.5Ext23"]] #
222 -)))|(% style="width:51px" %)(((
223 -[[Ext value>>||anchor="H2.4.6Extvalue"]]
224 -)))
225 225  
145 +(% style="width:572px" %)
146 +|(% 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**
147 +|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
148 +[[Built-In>>path:#SHT20_Temperature]]
149 +
150 +[[Temperature>>path:#SHT20_Temperature]]
151 +)))|(% style="width:103px" %)(((
152 +[[Built-in>>path:#SHT20_Humidity]]
153 +
154 +[[Humidity>>path:#SHT20_Humidity]]
155 +)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
156 +
226 226  * The First 6 bytes: has fix meanings for every LHT65N.
227 227  * The 7th byte (EXT #): defines the external sensor model.
228 228  * 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.)
229 229  
230 -=== 2.4.1 Decoder in TTN V3 ===
161 +=== Decoder in TTN V3 ===
231 231  
232 232  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.
233 233  
... ... @@ -235,24 +235,37 @@
235 235  
236 236  [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
237 237  
238 -[[image:image-20220522234118-10.png||height="353" width="729"]]
169 +[[image:image-20220522234118-10.png]]
239 239  
240 -=== 2.4.2 BAT-Battery Info ===
241 241  
172 +=== BAT-Battery Info ===
173 +
242 242  These two bytes of BAT include the battery state and the actually voltage
243 243  
244 -[[image:image-20220523152839-18.png]]
176 +(% style="width:646px" %)
177 +|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
178 +|Value|(% style="width:272px" %)(((
179 +BAT Status
245 245  
246 -[[image:image-20220522235639-1.png||height="139" width="727"]]
181 +00(b): Ultra Low ( BAT <= 2.50v)
247 247  
183 +01(b): Low  (2.50v <=BAT <= 2.55v)
184 +
185 +10(b): OK   (2.55v <= BAT <=2.65v)
186 +
187 +11(b): Good   (BAT >= 2.65v)
188 +)))|(% style="width:214px" %)Actually BAT voltage
189 +
190 +[[image:image-20220522235639-1.png]]
191 +
248 248  Check the battery voltage for LHT65N.
249 249  
250 250  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
251 251  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
252 252  
253 -=== 2.4.3 Built-in Temperature ===
197 +=== Built-in Temperature ===
254 254  
255 -[[image:image-20220522235639-2.png||height="138" width="722"]]
199 +[[image:image-20220522235639-2.png]]
256 256  
257 257  * Temperature:  0x0ABB/100=27.47℃
258 258  
... ... @@ -260,92 +260,72 @@
260 260  
261 261  * Temperature:  (0xF5C6-65536)/100=-26.18℃
262 262  
263 -=== 2.4.4 Built-in Humidity ===
207 +=== Built-in Humidity ===
264 264  
265 -[[image:image-20220522235639-4.png||height="138" width="722"]]
209 +[[image:image-20220522235639-4.png]]
266 266  
267 267  * Humidity:    0x025C/10=60.4%
268 268  
269 -=== 2.4.5 Ext # ===
213 +=== Ext # ===
270 270  
271 271  Bytes for External Sensor:
272 272  
273 -[[image:image-20220523152822-17.png]]
217 +(% style="width:624px" %)
218 +|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
219 +|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
220 +|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
274 274  
275 -=== 2.4.6 Ext value ===
222 +=== Ext value ===
276 276  
277 -==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
224 +==== Ext~=1, E3 Temperature Sensor ====
278 278  
279 279  [[image:image-20220522235639-5.png]]
280 280  
228 +
281 281  * DS18B20 temp=0x0ADD/100=27.81℃
282 282  
283 283  The last 2 bytes of data are meaningless
284 284  
233 +
234 +
285 285  [[image:image-20220522235639-6.png]]
286 286  
287 287  * External temperature= (0xF54F-65536)/100=-27.37℃
288 288  
289 -(((
290 290  The last 2 bytes of data are meaningless
291 -)))
292 292  
293 -(((
241 +
294 294  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
295 -)))
296 296  
297 297  
298 -==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
245 +==== Ext~=9, E3 sensor with Unix Timestamp ====
299 299  
300 300  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:
301 301  
302 -(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
303 -|(% style="width:96px" %)(((
304 -**Size(bytes)**
305 -)))|(% style="width:71px" %)(((
306 -**2**
307 -)))|(% style="width:99px" %)(((
308 -**2**
309 -)))|(% style="width:132px" %)(((
310 -**2**
311 -)))|(% style="width:54px" %)(((
312 -**1**
313 -)))|(% style="width:64px" %)(((
314 -**4**
315 -)))
316 -|(% style="width:96px" %)(((
317 -**Value**
318 -)))|(% style="width:71px" %)(((
319 -[[External temperature>>||anchor="H4.2SetExternalSensorMode"]]
320 -)))|(% style="width:99px" %)(((
321 -(((
322 -[[Built-In>>||anchor="H2.4.3Built-inTemperature"]]
323 -)))
324 324  
325 -(((
326 -[[Temperature>>||anchor="H2.4.3Built-inTemperature"]]
327 -)))
328 -)))|(% style="width:132px" %)(((
329 -(((
330 -BAT Status &
331 -)))
250 +(% style="width:697px" %)
251 +|(% 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**
252 +|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
253 +[[Built-In>>path:#SHT20_Temperature]]
332 332  
333 -(((
334 -[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
255 +[[Temperature>>path:#SHT20_Temperature]]
256 +)))|(% style="width:106px" %)(((
257 +[[BAT Status &>>path:#BAT_Humidity]]
258 +
259 +[[Built-in>>path:#BAT_Humidity]]
260 +
261 +[[Humidity>>path:#BAT_Humidity]]
262 +)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
263 +[[Unix>>path:#Unix_Time_Stamp]]
264 +
265 +[[Time Stamp>>path:#Unix_Time_Stamp]]
335 335  )))
336 -)))|(% style="width:54px" %)(((
337 -Status & Ext
338 -)))|(% style="width:64px" %)(((
339 -(((
340 -[[Unix Time Stamp>>||anchor="H2.6.2Unix TimeStamp"]]
341 -)))
342 -)))
343 343  
344 -* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
268 +* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
345 345  
346 -(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
347 -|(% style="width:65px" %)Bit(bit)|(% style="width:267px" %)[15:14]|(% style="width:134px" %)[11:0]
348 -|(% style="width:65px" %)Value|(% style="width:267px" %)(((
270 +(% style="width:587px" %)
271 +|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
272 +|Value|(% style="width:280px" %)(((
349 349  BAT Status
350 350  
351 351  00(b): Ultra Low ( BAT <= 2.50v)
... ... @@ -355,8 +355,8 @@
355 355  10(b): OK   (2.55v <= BAT <=2.65v)
356 356  
357 357  11(b): Good   (BAT >= 2.65v)
358 -)))|(% style="width:134px" %)(((
359 -[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
282 +)))|(% style="width:136px" %)(((
283 +[[Built-in Humidity>>path:#SHT20_Humidity]]
360 360  
361 361  
362 362  )))
... ... @@ -363,27 +363,29 @@
363 363  
364 364  * **Status & Ext Byte**
365 365  
366 -[[image:image-20220523152434-16.png]]
290 +(% style="width:732px" %)
291 +|(% 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]**
292 +|(% 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" %)(((
293 +Ext:
367 367  
295 +0b(1001)
296 +)))
297 +
368 368  * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
369 369  * 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.
370 370  * 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)
371 371  
372 -== 2.5 Show data on Datacake ==
302 +== Show data on Datacake ==
373 373  
374 374  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:
375 375  
376 -(((
306 +
377 377  **Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
378 -)))
379 379  
380 -(((
381 381  **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.
382 -)))
383 383  
384 -(((
311 +
385 385  Add Datacake:
386 -)))
387 387  
388 388  [[image:image-20220523000825-7.png||height="262" width="583"]]
389 389  
... ... @@ -392,24 +392,21 @@
392 392  
393 393  [[image:image-20220523000825-8.png||height="453" width="406"]]
394 394  
321 +
395 395  In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
396 396  
397 397  [[image:image-20220523000825-9.png||height="366" width="392"]]
398 398  
399 -[[image:image-20220523000825-10.png||height="413" width="728"]]
400 400  
401 -== 2.6 Datalog Feature ==
402 402  
403 -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.
328 +[[image:image-20220523000825-10.png||height="432" width="762"]]
404 404  
405 -=== 2.6.1 Ways to get datalog via LoRaWAN ===
406 406  
407 -There are two methods:
331 +== Datalog Feature ==
408 408  
409 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
410 -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.
333 +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.
411 411  
412 -=== 2.6.2 Unix TimeStamp ===
335 +=== Unix TimeStamp ===
413 413  
414 414  LHT65N uses Unix TimeStamp format based on
415 415  
... ... @@ -416,215 +416,100 @@
416 416  [[image:image-20220523001219-11.png||height="97" width="627"]]
417 417  
418 418  
419 -(((
420 420  User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
421 -)))
422 422  
423 -(((
424 424  Below is the converter example
425 -)))
426 426  
427 -[[image:image-20220523001219-12.png||height="298" width="720"]]
346 +[[image:image-20220523001219-12.png||height="353" width="853"]]
428 428  
429 429  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
430 430  
431 -=== 2.6.3 Set Device Time ===
432 432  
433 -(((
351 +=== Set Device Time ===
352 +
434 434  There are two ways to set device’s time:
435 -)))
436 436  
437 -(((
438 438  **~1. Through LoRaWAN MAC Command (Default settings)**
439 -)))
440 440  
441 -(((
442 442  User need to set SYNCMOD=1 to enable sync time via MAC command.
443 -)))
444 444  
445 -(((
446 446  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).
447 -)))
448 448  
449 -(((
450 450  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.
451 -)))
452 452  
453 -(((
454 -
455 -)))
456 456  
457 -(((
458 458  **2. Manually Set Time**
459 -)))
460 460  
461 -(((
462 462  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
463 -)))
464 464  
465 -=== 2.6.4 Poll sensor value ===
466 466  
369 +=== Poll sensor value ===
370 +
467 467  User can poll sensor value based on timestamps from the server. Below is the downlink command.
468 468  
469 -[[image:image-20220523152302-15.png]]
470 470  
471 -(((
374 +(% style="width:454px" %)
375 +|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
376 +|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
377 +
472 472  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.
473 -)))
474 474  
475 -(((
476 -For example, downlink command (% style="display:none" %) (%%)**31 5FC5F350 5FC6 0160 05**
477 -)))
478 478  
479 -(((
381 +For example, downlink command 31 5FC5F350 5FC6 0160 05
382 +
480 480  Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
481 -)))
482 482  
483 -(((
484 484  Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
485 -)))
486 486  
487 487  
488 -=== 2.6.5 Datalog Uplink payload ===
388 +=== Datalog Uplink payload ===
489 489  
490 490  The Datalog poll reply uplink will use below payload format.
491 491  
492 -(((
493 -**Retrieval data payload**
494 -)))
495 495  
496 -(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
497 -|(% style="width:93px" %)(((
498 -(((
499 -**Size(bytes)**
500 -)))
501 -)))|(% style="width:71px" %)(((
502 -(((
503 -**2**
504 -)))
505 -)))|(% style="width:102px" %)(((
506 -(((
507 -**2**
508 -)))
509 -)))|(% style="width:86px" %)(((
510 -(((
511 -**2**
512 -)))
513 -)))|(% style="width:86px" %)(((
514 -(((
515 -**1**
516 -)))
517 -)))|(% style="width:48px" %)(((
518 -(((
519 -**4**
520 -)))
521 -)))
522 -|(% style="width:93px" %)(((
523 -(((
524 -**Value**
525 -)))
526 -)))|(% style="width:71px" %)(((
527 -(((
528 -[[External sensor data>>||anchor="H2.4.6Extvalue"]]
529 -)))
530 -)))|(% style="width:102px" %)(((
531 -(((
532 -(((
533 -[[Built In>>||anchor="H2.4.3Built-inTemperature"]]
534 -)))
535 -)))
393 +Retrieval data payload
536 536  
537 -(((
538 -(((
539 -[[Temperature>>||anchor="H2.4.3Built-inTemperature"]]
540 -)))
541 -)))
542 -)))|(% style="width:86px" %)(((
543 -(((
544 -(((
545 -[[Built-in>>||anchor="H2.4.4Built-inHumidity"]]
546 -)))
547 -)))
395 +|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
396 +|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
397 +[[Built-In>>path:#SHT20_Temperature]]
548 548  
549 -(((
550 -(((
551 -[[Humidity>>||anchor="H2.4.4Built-inHumidity"]]
552 -)))
553 -)))
554 -)))|(% style="width:86px" %)(((
555 -(((
556 -[[Poll message flag & Ext>>||anchor="H2.6.4DatalogUplinkpayload"]]
557 -)))
558 -)))|(% style="width:48px" %)(((
559 -(((
560 -(((
561 -[[Unix Time Stamp>>||anchor="H2.6.1UnixTimeStamp"]]
562 -)))
563 -)))
399 +[[Temperature>>path:#SHT20_Temperature]]
400 +)))|(((
401 +[[Built-in>>path:#SHT20_Humidity]]
564 564  
565 -(((
566 -(((
403 +[[Humidity>>path:#SHT20_Humidity]]
404 +)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
405 +[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
406 +
567 567  
568 568  )))
569 -)))
570 -)))
571 571  
572 -**Poll message flag & Ext**
410 +Poll message flag & Ext
573 573  
574 -[[image:image-20220523152208-14.png]]
575 575  
576 -(((
577 -(((
578 -Poll Message Flag: 1: This message is a poll message reply.
579 -)))
580 -)))
413 +|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
414 +|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
415 +Ext:
581 581  
582 -* (((
583 -(((
584 -Poll Message Flag is set to 1.
417 +0b(1001)
585 585  )))
586 -)))
587 -* (((
588 -(((
589 -Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
590 -)))
591 -)))
592 592  
593 -(((
594 -(((
420 +Poll Message Flag: 1: This message is a poll message reply.
421 +
422 +* Poll Message Flag is set to 1.
423 +* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
424 +
595 595  For example, in US915 band, the max payload for different DR is:
596 -)))
597 -)))
598 598  
599 -(((
600 -(((
601 -a) DR0: max is 11 bytes so one entry of data
602 -)))
603 -)))
427 +a)      DR0: max is 11 bytes so one entry of data
604 604  
605 -(((
606 -(((
607 -b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
608 -)))
609 -)))
429 +b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
610 610  
611 -(((
612 -(((
613 -c) DR2: total payload includes 11 entries of data
614 -)))
615 -)))
431 +c)      DR2: total payload includes 11 entries of data
616 616  
617 -(((
618 -(((
619 -d) DR3: total payload includes 22 entries of data.
620 -)))
621 -)))
433 +d)      DR3: total payload includes 22 entries of data.
622 622  
623 -(((
624 -(((
625 625  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
626 -)))
627 -)))
628 628  
629 629  
630 630  **Example:**
... ... @@ -631,29 +631,37 @@
631 631  
632 632  If LHT65N has below data inside Flash:
633 633  
634 -[[image:image-20220523144455-1.png||height="335" width="735"]]
442 +Flash Addr   |Unix Time | Ext | BAT voltage|  Value                  
635 635  
636 -(((
637 -If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
638 -)))
444 +80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
639 639  
640 -(((
446 +80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
447 +
448 +8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
449 +
450 +8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
451 +
452 +8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
453 +
454 +8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
455 +
456 +8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
457 +
458 +8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
459 +
460 +
461 +If user sends below downlink command:
462 +
463 +3160065F9760066DA705
464 +
641 641   Where : Start time: 60065F97 = time 21/1/19 04:27:03
642 -)))
643 643  
644 -(((
645 645   Stop time 60066DA7= time 21/1/19 05:27:03
646 -)))
647 647  
648 -(((
649 -
650 -)))
651 651  
652 -(((
653 653  LHT65N will uplink this payload.
654 -)))
655 655  
656 -[[image:image-20220523001219-13.png||height="421" width="727"]]
472 +[[image:image-20220523001219-13.png]]
657 657  
658 658  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
659 659  
... ... @@ -671,69 +671,49 @@
671 671  
672 672  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
673 673  
674 -== 2.7 Alarm Mode ==
675 675  
491 +== Alarm Mode ==
492 +
676 676  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.
677 677  
678 -(((
679 -(% 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.
680 -)))
681 681  
682 -(((
683 -**AT Commands for Alarm mode:**
684 -)))
496 +Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
685 685  
686 -(% class="box infomessage" %)
687 -(((
688 -(((
498 +
499 +AT Commands for Alarm mode:
500 +
689 689  **AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
690 -)))
691 -)))
692 692  
693 -(% class="box infomessage" %)
694 -(((
695 -(((
696 696  **AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
697 -)))
698 -)))
699 699  
700 -== 2.8 LED Indicator ==
701 701  
702 -(((
506 +
507 +== LED Indicator ==
508 +
703 703  The LHT65N has a triple color LED which for easy shows different stage.
704 -)))
705 705  
706 -(((
707 707  While pressing ACT button, the LED will work as per LED status with ACT button.
708 -)))
709 709  
710 -(((
711 711  In a normal working state:
712 -)))
713 713  
714 -* (((
715 -For each uplink, the BLUE LED or RED LED will blink once.
716 -)))
717 -* (((
718 -BLUE LED when an external sensor is connected
719 -)))
720 -* (((
721 -RED LED when an external sensor is not connected
722 -)))
723 -* (((
724 -For each success downlink, the PURPLE LED will blink once
725 -)))
515 +* For each uplink, the BLUE LED or RED LED will blink once.
516 +* BLUE LED when an external sensor is connected
517 +* RED LED when an external sensor is not connected
518 +* For each success downlink, the PURPLE LED will blink once
726 726  
727 727  ----
728 728  
729 -== 2.9 Installation ==
522 +== Installation ==
730 730  
731 731  [[image:image-20220516231650-1.png||height="436" width="428"]]
732 732  
733 -= 3. Sensors & Accessories =
734 734  
735 -== 3.1 E3 Temperature Probe ==
736 736  
528 +
529 += Sensors & Accessories =
530 +
531 +== E3 Temperature Probe ==
532 +
737 737  [[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
738 738  
739 739  
... ... @@ -746,116 +746,93 @@
746 746  * -55°C to 125°C
747 747  * Working voltage 2.35v ~~ 5v
748 748  
749 -= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
545 += Configure LHT65N via AT Command or LoRaWAN Downlink =
750 750  
751 -(((
752 752  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
753 -)))
754 754  
755 -* (((
756 -AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
757 -)))
758 -* (((
759 -LoRaWAN Downlink instruction for different platforms:
760 -)))
549 +* AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
550 +* LoRaWAN Downlink instruction for different platforms:
761 761  
762 -(((
763 763  [[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]]
764 -)))
765 765  
766 -(((
554 +
767 767  There are two kinds of commands to configure LHT65N, they are:
768 -)))
769 769  
770 -(((
771 -(% style="color:#4f81bd" %)* **General Commands**.
772 -)))
557 +* **General Commands**.
773 773  
774 -(((
775 775  These commands are to configure:
776 -)))
777 777  
778 -* (((
779 -General system settings like: uplink interval.
780 -)))
781 -* (((
782 -LoRaWAN protocol & radio-related commands.
783 -)))
561 +* General system settings like: uplink interval.
562 +* LoRaWAN protocol & radio-related commands.
784 784  
785 -(((
786 786  They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
787 -)))
788 788  
789 -(((
790 790  [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
791 -)))
792 792  
793 -(((
794 -(% style="color:#4f81bd" %)* **Commands special design for LHT65N**
795 -)))
796 796  
797 -(((
569 +
570 +* **Commands special design for LHT65N**
571 +
798 798  These commands are only valid for LHT65N, as below:
799 -)))
800 800  
801 -== 4.1 Set Transmit Interval Time ==
802 802  
575 +== Set Transmit Interval Time ==
576 +
803 803  Feature: Change LoRaWAN End Node Transmit Interval.
804 804  
805 805  **AT Command: AT+TDC**
806 806  
807 -[[image:image-20220523150701-2.png]]
581 +|**Command Example**|**Function**|**Response**
582 +|AT+TDC?|Show current transmit Interval|(((
583 +30000
808 808  
809 -(((
810 -**Downlink Command: 0x01**
585 +OK
586 +
587 +the interval is 30000ms = 30s
811 811  )))
589 +|AT+TDC=60000|Set Transmit Interval|(((
590 +OK
812 812  
813 -(((
814 -Format: Command Code (0x01) followed by 3 bytes time value.
592 +Set transmit interval to 60000ms = 60 seconds
815 815  )))
816 816  
817 -(((
595 +**Downlink Command: 0x01**
596 +
597 +Format: Command Code (0x01) followed by 3 bytes time value.
598 +
818 818  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
819 -)))
820 820  
821 -* (((
822 -**Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
823 -)))
824 -* (((
825 -**Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
826 -)))
601 +* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
602 +* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
827 827  
828 -== 4.2 Set External Sensor Mode ==
604 +== Set External Sensor Mode ==
829 829  
830 830  Feature: Change External Sensor Mode.
831 831  
832 832  **AT Command: AT+EXT**
833 833  
834 -[[image:image-20220523150759-3.png]]
610 +|**Command Example**|**Function**|**Response**
611 +|AT+EXT?|Get current external sensor mode|(((
612 +1
835 835  
836 -(((
837 -**Downlink Command: 0xA2**
614 +OK
615 +
616 +External Sensor mode =1
838 838  )))
618 +|AT+EXT=1|(% colspan="2" %)Set external sensor mode to 1
619 +|AT+EXT=9|(% colspan="2" %)Set to external DS18B20 with timestamp
839 839  
840 -(((
621 +**Downlink Command: 0xA2**
622 +
841 841  Total bytes: 2 ~~ 5 bytes
842 -)))
843 843  
844 -(((
845 -**Example:**
846 -)))
625 +Example:
847 847  
848 -* (((
849 -0xA201: Set external sensor type to E1
850 -)))
851 -* (((
852 -0xA209: Same as AT+EXT=9
853 -)))
854 -* (((
855 -0xA20702003c,Same as AT+SETCNT=60
856 -)))
627 +* 0xA201: Set external sensor type to E1
628 +* 0xA209: Same as AT+EXT=9
629 +* 0xA20702003c,Same as AT+SETCNT=60
857 857  
858 -== 4.3 Enable/Disable uplink Temperature probe ID ==
631 +== Enable/Disable uplink Temperature probe ID ==
859 859  
860 860  Feature: If PID is enabled, device will send the temperature probe ID on:
861 861  
... ... @@ -864,82 +864,99 @@
864 864  
865 865  PID is default set to disable (0)
866 866  
640 +
867 867  **AT Command:**
868 868  
869 -[[image:image-20220523150928-4.png]]
643 +|**Command Example**|**Function**|**Response**
644 +|AT+PID=1|Enable PID uplink|OK
870 870  
871 871  **Downlink Command:**
872 872  
873 -* 0xA800  **~-~->** AT+PID=0
874 -* 0xA801     **~-~->** AT+PID=1
648 +* 0xA800     à AT+PID=0
649 +* 0xA801     à AT+PID=1
875 875  
876 -== 4.4 Set Password ==
651 +== Set Password ==
877 877  
878 878  Feature: Set device password, max 9 digits
879 879  
880 880  **AT Command: AT+PWORD**
881 881  
882 -[[image:image-20220523151052-5.png]]
657 +|**Command Example**|**Function**|**Response**
658 +|AT+PWORD=?|Show password|(((
659 +123456
883 883  
884 -(((
885 -**Downlink Command:**
661 +
662 +OK
886 886  )))
664 +|AT+PWORD=999999|Set password|OK
887 887  
888 -(((
666 +**Downlink Command:**
667 +
889 889  No downlink command for this feature.
890 -)))
891 891  
892 -== 4.5 Quit AT Command ==
893 893  
671 +== Quit AT Command ==
672 +
894 894  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
895 895  
896 896  **AT Command: AT+DISAT**
897 897  
898 -[[image:image-20220523151132-6.png]]
677 +|**Command Example**|**Function**|**Response**
678 +|AT+DISAT|Quit AT Commands mode|OK
899 899  
900 900  **Downlink Command:**
901 901  
902 902  No downlink command for this feature.
903 903  
904 -== 4.6 Set to sleep mode ==
905 905  
685 +== Set to sleep mode ==
686 +
906 906  Feature: Set device to sleep mode
907 907  
908 908  **AT Command: AT+SLEEP**
909 909  
910 -[[image:image-20220523151218-7.png]]
691 +| | |
692 +|**Command Example**|**Function**|**Response**
693 +|AT+SLEEP|Set to sleep mode|(((
694 +Clear all stored sensor data…
911 911  
696 +OK
697 +)))
698 +
912 912  **Downlink Command:**
913 913  
914 914  * There is no downlink command to set to Sleep mode.
915 915  
916 -== 4.7 Set system time ==
703 +== Set system time ==
917 917  
918 918  Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
919 919  
920 920  **AT Command:**
921 921  
922 -[[image:image-20220523151253-8.png]]
709 +|**Command Example**|**Function**
710 +|AT+TIMESTAMP=1611104352|(((
711 +OK
923 923  
713 +Set System time to 2021-01-20 00:59:12
714 +)))
715 +
924 924  **Downlink Command:**
925 925  
926 926  0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
927 927  
928 -== 4.8 Set Time Sync Mode ==
929 929  
930 -(((
721 +== Set Time Sync Mode ==
722 +
931 931  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
932 -)))
933 933  
934 -(((
725 +
935 935  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.
936 -)))
937 937  
938 -(((
728 +
939 939  **AT Command:**
940 -)))
941 941  
942 -[[image:image-20220523151336-9.png]]
731 +|**Command Example**|**Function**
732 +|AT+SYNCMOD=1|Enable Sync system time via LoRaWAN MAC Command (DeviceTimeReq)
943 943  
944 944  **Downlink Command:**
945 945  
... ... @@ -947,186 +947,196 @@
947 947  
948 948  0x28 00 ~/~/ Same As AT+SYNCMOD=0
949 949  
950 -== 4.9 Set Time Sync Interval ==
951 951  
741 +== Set Time Sync Interval ==
742 +
952 952  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
953 953  
954 954  **AT Command:**
955 955  
956 -[[image:image-20220523151411-10.png]]
747 +|**Command Example**|**Function**
748 +|AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
957 957  
958 958  **Downlink Command:**
959 959  
960 960  0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
961 961  
962 -== 4.10 Print data entries base on page. ==
963 963  
755 +== Print data entries base on page. ==
756 +
964 964  Feature: Print the sector data from start page to stop page (max is 416 pages).
965 965  
966 966  **AT Command: AT+PDTA**
967 967  
968 -[[image:image-20220523151450-11.png]]
761 +|**Command Example**|**Response**
762 +|(((
763 +AT+PDTA=1,3
969 969  
765 +
766 +
767 +Print page 1 to 3
768 +)))|(((
769 +8019500 19/6/26 16:48 1 2992 sht_temp=28.21 sht_hum=71.5 ds_temp=27.31
770 +
771 +8019510 19/6/26 16:53 1 2994 sht_temp=27.64 sht_hum=69.3 ds_temp=26.93
772 +
773 +8019520 19/6/26 16:58 1 2996 sht_temp=28.39 sht_hum=72.0 ds_temp=27.06
774 +
775 +8019530 19/6/26 17:03 1 2996 sht_temp=27.97 sht_hum=70.4 ds_temp=27.12
776 +
777 +8019540 19/6/26 17:08 1 2996 sht_temp=27.80 sht_hum=72.9 ds_temp=27.06
778 +
779 +8019550 19/6/26 17:13 1 2998 sht_temp=27.30 sht_hum=72.4 ds_temp=26.68
780 +
781 +8019560 19/6/26 17:22 1 2992 sht_temp=26.27 sht_hum=62.3 ds_temp=26.56
782 +
783 +8019570
784 +
785 +8019580
786 +
787 +8019590
788 +
789 +80195A0
790 +
791 +80195B0
792 +
793 +80195C0
794 +
795 +80195D0
796 +
797 +80195E0
798 +
799 +80195F0
800 +
801 +
802 +OK
803 +)))
804 +
970 970  **Downlink Command:**
971 971  
972 972  No downlink commands for feature
973 973  
974 -== 4.11 Print last few data entries. ==
975 975  
810 +
811 +== Print last few data entries. ==
812 +
976 976  Feature: Print the last few data entries
977 977  
978 978  **AT Command: AT+PLDTA**
979 979  
980 -[[image:image-20220523151524-12.png]]
817 +|**Command Example**|**Response**
818 +|(((
819 +AT+PLDTA=5
981 981  
982 -**Downlink Command:**
983 983  
984 -No downlink commands for feature
985 985  
986 -== 4.12 Clear Flash Record ==
823 +Print last 5 entries
824 +)))|(((
825 +Stop Tx and RTP events when read sensor data
987 987  
988 -Feature: Clear flash storage for data log feature.
827 +1 19/6/26 13:59 1 3005 sht_temp=27.09 sht_hum=79.5 ds_temp=26.75
989 989  
990 -**AT Command: AT+CLRDTA**
829 +2 19/6/26 14:04 1 3007 sht_temp=26.65 sht_hum=74.8 ds_temp=26.43
991 991  
992 -[[image:image-20220523151556-13.png]]
831 +3 19/6/26 14:09 1 3007 sht_temp=26.91 sht_hum=77.9 ds_temp=26.56
993 993  
994 -**Downlink Command: 0xA3**
833 +4 19/6/26 14:15 1 3007 sht_temp=26.93 sht_hum=76.7 ds_temp=26.75
995 995  
996 -* Example: 0xA301 ~/~/Same as AT+CLRDTA
835 +5 19/6/26 14:20 1 3007 sht_temp=26.78 sht_hum=76.6 ds_temp=26.43
997 997  
998 -== 4.13 Auto Send None-ACK messages ==
837 +Start Tx and RTP events
999 999  
1000 -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.
839 +OK
840 +)))
1001 1001  
842 +**Downlink Command:**
1002 1002  
1003 -**AT Command: AT+PNACKMD**
844 +No downlink commands for feature
1004 1004  
1005 -The default factory setting is 0
1006 1006  
1007 -(% border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1008 -|=(% style="width: 171px;" %)**Command Example**|=(% style="width: 219px;" %)**Function**|=(% style="width: 119px;" %)**Response**
1009 -|(% style="width:171px" %)AT+PNACKMD=1|(% style="width:219px" %)Poll None-ACK message|(% style="width:119px" %)OK
1010 1010  
1011 -**Downlink Command: 0x34**
848 +== Clear Flash Record ==
1012 1012  
1013 -* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
850 +Feature: Clear flash storage for data log feature.
1014 1014  
1015 -= 5. Battery & How to replace =
852 +**AT Command: AT+CLRDTA**
1016 1016  
1017 -== 5.1 Battery Type ==
854 +|**Command Example**|**Function**|**Response**
855 +|AT+CLRDTA|Clear date record|(((
856 +Clear all stored sensor data…
1018 1018  
858 +OK
859 +)))
860 +
861 +**Downlink Command: 0xA3**
862 +
863 +* Example: 0xA301 ~/~/Same as AT+CLRDTA
864 +
865 +
866 += Battery & How to replace =
867 +
868 +== Battery Type ==
869 +
1019 1019  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.
1020 1020  
1021 -(((
1022 1022  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1023 1023  [[image:image-20220515075034-1.png||height="208" width="644"]]
1024 -)))
1025 1025  
1026 -(((
875 +
1027 1027  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1028 1028  
1029 -)))
1030 1030  
1031 -== 5.2 Replace Battery ==
879 +== Replace Battery ==
1032 1032  
1033 1033  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.
1034 1034  
1035 1035  [[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
1036 1036  
1037 -== 5.3 Battery Life Analyze ==
1038 1038  
1039 -(((
886 +== Battery Life Analyze ==
887 +
1040 1040  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:
1041 1041  https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
1042 -)))
1043 1043  
1044 -= 6. Order Info =
1045 1045  
1046 -(((
1047 -Part Number: (% style="color:#4f81bd" %)** LHT65N-XX-YY**
1048 -)))
892 += Order Info =
1049 1049  
1050 -(((
1051 -(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
1052 -)))
894 +Part Number: (% class="mark" %)**LHT65N-XX**
1053 1053  
1054 -* (((
1055 -(% style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
1056 -)))
1057 -* (((
1058 -(% style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
1059 -)))
1060 -* (((
1061 -(% style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
1062 -)))
1063 -* (((
1064 -(% style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
1065 -)))
1066 -* (((
1067 -(% style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
1068 -)))
1069 -* (((
1070 -(% style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
1071 -)))
1072 -* (((
1073 -(% style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
1074 -)))
1075 -* (((
1076 -(% style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
1077 -)))
896 +**XX**: The default frequency band
1078 1078  
1079 -(((
1080 -(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
1081 -)))
898 +* **AS923**: LoRaWAN AS923 band
899 +* **AU915**: LoRaWAN AU915 band
900 +* **EU433**: LoRaWAN EU433 band
901 +* **EU868**: LoRaWAN EU868 band
902 +* **KR920**: LoRaWAN KR920 band
903 +* **US915**: LoRaWAN US915 band
904 +* **IN865**: LoRaWAN IN865 band
905 +* **CN470**: LoRaWAN CN470 band
1082 1082  
1083 -* (((
1084 -(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
1085 -)))
907 +**YY**: Sensor Accessories
1086 1086  
1087 -= 7. Packing Info =
909 +* **E3**: External Temperature Probe
1088 1088  
1089 -(((
911 += Packing Info =
912 +
1090 1090  **Package Includes**:
1091 -)))
1092 1092  
1093 -* (((
1094 -LHT65N Temperature & Humidity Sensor x 1
1095 -)))
1096 -* (((
1097 -Program cable x 1
1098 -)))
1099 -* (((
1100 -Optional external sensor
1101 -)))
915 +* LHT65N Temperature & Humidity Sensor x 1
916 +* Program cable x 1
917 +* Optional external sensor
1102 1102  
1103 -(((
1104 1104  **Dimension and weight**:
1105 -)))
1106 1106  
1107 -* (((
1108 -Device Size:  13.5 x 7 x 3 cm
1109 -)))
1110 -* (((
1111 -Device Weight: 105g
1112 -)))
1113 -* (((
1114 -Package Size / pcs : 14.5 x 8 x 5 cm
1115 -)))
1116 -* (((
1117 -Weight / pcs : 170g
1118 -)))
921 +* Device Size:  13.5 x 7 x 3 cm
922 +* Device Weight: 105g
923 +* Package Size / pcs : 14.5 x 8 x 5 cm
924 +* Weight / pcs : 170g
1119 1119  
1120 -= 8. FCC Warning =
926 += FCC Warning =
1121 1121  
1122 -(((
1123 1123  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1124 -)))
1125 1125  
1126 -(((
1127 -(1) This device may not cause harmful interference；
1128 -)))
930 +(1) This device may not cause harmful interference, and
1129 1129  
1130 -(((
1131 -(2) this device must accept any interference received, including interference that may cause undesired operation.
1132 -)))
932 +(2) this device must accept any interference received, including interference that may cause undesired operation
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