Last modified by Mengting Qiu on 2024/04/30 14:27
<
From version < 98.1 >
edited by Xiaoling
on 2022/05/25 11:05
To version < 48.1 >
edited by Edwin Chen
on 2022/05/23 00:12
>
Change comment: Uploaded new attachment "image-20220523001219-11.png", version {1}

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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1 -(% style="text-align:center" %)
2 -[[image:image-20220523115324-1.jpeg||height="317" width="317"]]
3 -
4 -
5 -**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
6 -
7 -
8 -
9 -
10 -**Table of Contents：**
11 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
12 12  {{toc/}}
3 +{{/box}}
13 13  
5 += Overview =
14 14  
7 +[[image:LHT65N_10.png||alt="LHT65_Image" height="265" width="265"]]
15 15  
16 16  
17 -= 1. Introduction =
10 +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 18  
19 -== 1.1 What is LHT65N Temperature & Humidity Sensor ==
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 -
25 -(((
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 -)))
18 +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 -== 1.2 Features ==
46 46  
23 +== Features: ==
24 +
47 47  * Wall mountable
48 48  * LoRaWAN v1.0.3 Class A protocol
49 49  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
... ... @@ -56,94 +56,56 @@
56 56  * Tri-color LED to indicate working status
57 57  * Datalog feature
58 58  
59 -== 1.3 Specification ==
37 +== 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 -)))
41 +* Resolution: 0.01 °C
42 +* Accuracy Tolerance : Typ ±0.3 °C
43 +* Long Term Drift: < 0.02 °C/yr
44 +* 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 -)))
48 +* Resolution: 0.04 %RH
49 +* Accuracy Tolerance : Typ ±3 %RH
50 +* Long Term Drift: < 0.02 °C/yr
51 +* 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 -)))
55 +* Resolution: 0.0625 °C
56 +* ±0.5°C accuracy from -10°C to +85°C
57 +* ±2°C accuracy from -55°C to +125°C
58 +* Operating Range: -55 °C ~~ 125 °C
111 111  
112 -= 2. Connect LHT65N to IoT Server =
60 += Connect LHT65N to IoT Server =
113 113  
114 -== 2.1 How does LHT65N work? ==
62 +== 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  
124 -== 2.2 How to Activate LHT65N? ==
125 125  
69 +== How to Activate LHT65N? ==
70 +
126 126  The LHT65N has two working modes:
127 127  
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-20220523153201-19.png||height="180" width="818"]]
80 +|**Behavior on ACT**|**Function**|**Action**
81 +|**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.
82 +|**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.
83 +|**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 -(% border="1" style="background-color:#ffffcc; color:green; width:878px" %)
140 -|=**Behavior on ACT**|=**Function**|=(% style="width: 561px;" %)**Action**
141 -|**Pressing ACT between 1s < time < 3s**|Test uplink status|(% style="width:561px" %)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.
142 -|**Pressing ACT for more than 3s**|Active Device|(% style="width:561px" %)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.
143 -|**Fast press ACT 5 times**|Deactivate Device|(% style="width:561px" %)red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
85 +== Example to join LoRaWAN network ==
144 144  
145 -== 2.3 Example to join LoRaWAN network ==
146 -
147 147  (% class="wikigeneratedid" %)
148 148  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.
149 149  
... ... @@ -153,7 +153,7 @@
153 153  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:
154 154  
155 155  
156 -=== 2.3.1 Step 1: Create Device n TTN ===
96 +=== **Step 1**: Create Device n TTN ===
157 157  
158 158  Create a device in TTN V3 with the OTAA keys from LHT65N.
159 159  
... ... @@ -167,8 +167,10 @@
167 167  
168 168  [[image:image-20220522232916-3.png]]
169 169  
110 +
170 170  [[image:image-20220522232932-4.png]]
171 171  
113 +
172 172  [[image:image-20220522232954-5.png]]
173 173  
174 174  Note: LHT65N use same payload as LHT65.
... ... @@ -181,60 +181,37 @@
181 181  [[image:image-20220522233118-7.png]]
182 182  
183 183  
184 -=== 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
126 +=== Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
185 185  
186 186  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.
187 187  
188 -[[image:image-20220522233300-8.png||height="219" width="722"]]
130 +[[image:image-20220522233300-8.png]]
189 189  
190 190  
191 -== 2.4 Uplink Payload ==
133 +== Uplink Payload: ==
192 192  
193 -The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
135 +The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
194 194  
195 -After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
137 +After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
196 196  
197 -(% border="1" style="background-color:#ffffcc; color:green; width:426px" %)
198 -|(% style="width:97px" %)(((
199 -**Size(bytes)**
200 -)))|(% style="width:39px" %)(((
201 -**2**
202 -)))|(% style="width:100px" %)(((
203 -**2**
204 -)))|(% style="width:77px" %)(((
205 -**2**
206 -)))|(% style="width:47px" %)(((
207 -**1**
208 -)))|(% style="width:51px" %)(((
209 -**4**
210 -)))
211 -|(% style="width:97px" %)(((
212 -**Value**
213 -)))|(% style="width:39px" %)(((
214 -[[BAT>>||anchor="H2.4.2BAT-BatteryInfo"]]
215 -)))|(% style="width:100px" %)(((
216 -(((
217 -[[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature"]]
218 -)))
219 -)))|(% style="width:77px" %)(((
220 -(((
221 -[[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]]
222 -)))
223 223  
224 -(((
225 -[[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]]
226 -)))
227 -)))|(% style="width:47px" %)(((
228 -[[Ext>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.5Ext23]] #
229 -)))|(% style="width:51px" %)(((
230 -[[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]]
231 -)))
140 +(% style="width:572px" %)
141 +|(% 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**
142 +|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
143 +[[Built-In>>path:#SHT20_Temperature]]
232 232  
145 +[[Temperature>>path:#SHT20_Temperature]]
146 +)))|(% style="width:103px" %)(((
147 +[[Built-in>>path:#SHT20_Humidity]]
148 +
149 +[[Humidity>>path:#SHT20_Humidity]]
150 +)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
151 +
233 233  * The First 6 bytes: has fix meanings for every LHT65N.
234 234  * The 7th byte (EXT #): defines the external sensor model.
235 235  * 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.)
236 236  
237 -=== 2.4.1 Decoder in TTN V3 ===
156 +=== Decoder in TTN V3 ===
238 238  
239 239  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.
240 240  
... ... @@ -242,24 +242,37 @@
242 242  
243 243  [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
244 244  
245 -[[image:image-20220522234118-10.png||height="353" width="729"]]
164 +[[image:image-20220522234118-10.png]]
246 246  
247 -=== 2.4.2 BAT-Battery Info ===
248 248  
167 +=== BAT-Battery Info ===
168 +
249 249  These two bytes of BAT include the battery state and the actually voltage
250 250  
251 -[[image:image-20220523152839-18.png]]
171 +(% style="width:646px" %)
172 +|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
173 +|Value|(% style="width:272px" %)(((
174 +BAT Status
252 252  
253 -[[image:image-20220522235639-1.png||height="139" width="727"]]
176 +00(b): Ultra Low ( BAT <= 2.50v)
254 254  
178 +01(b): Low  (2.50v <=BAT <= 2.55v)
179 +
180 +10(b): OK   (2.55v <= BAT <=2.65v)
181 +
182 +11(b): Good   (BAT >= 2.65v)
183 +)))|(% style="width:214px" %)Actually BAT voltage
184 +
185 +[[image:image-20220522235639-1.png]]
186 +
255 255  Check the battery voltage for LHT65N.
256 256  
257 257  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
258 258  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
259 259  
260 -=== 2.4.3 Built-in Temperature ===
192 +=== Built-in Temperature ===
261 261  
262 -[[image:image-20220522235639-2.png||height="138" width="722"]]
194 +[[image:image-20220522235639-2.png]]
263 263  
264 264  * Temperature:  0x0ABB/100=27.47℃
265 265  
... ... @@ -267,92 +267,72 @@
267 267  
268 268  * Temperature:  (0xF5C6-65536)/100=-26.18℃
269 269  
270 -=== 2.4.4 Built-in Humidity ===
202 +=== Built-in Humidity ===
271 271  
272 -[[image:image-20220522235639-4.png||height="138" width="722"]]
204 +[[image:image-20220522235639-4.png]]
273 273  
274 274  * Humidity:    0x025C/10=60.4%
275 275  
276 -=== 2.4.5 Ext # ===
208 +=== Ext # ===
277 277  
278 278  Bytes for External Sensor:
279 279  
280 -[[image:image-20220523152822-17.png]]
212 +(% style="width:624px" %)
213 +|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
214 +|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
215 +|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
281 281  
282 -=== 2.4.6 Ext value ===
217 +=== Ext value ===
283 283  
284 -==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
219 +==== Ext~=1, E3 Temperature Sensor ====
285 285  
286 286  [[image:image-20220522235639-5.png]]
287 287  
223 +
288 288  * DS18B20 temp=0x0ADD/100=27.81℃
289 289  
290 290  The last 2 bytes of data are meaningless
291 291  
228 +
229 +
292 292  [[image:image-20220522235639-6.png]]
293 293  
294 294  * External temperature= (0xF54F-65536)/100=-27.37℃
295 295  
296 -(((
297 297  The last 2 bytes of data are meaningless
298 -)))
299 299  
300 -(((
236 +
301 301  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
302 -)))
303 303  
304 304  
305 -==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
240 +==== Ext~=9, E3 sensor with Unix Timestamp ====
306 306  
307 307  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:
308 308  
309 -(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
310 -|(% style="width:96px" %)(((
311 -**Size(bytes)**
312 -)))|(% style="width:71px" %)(((
313 -**2**
314 -)))|(% style="width:99px" %)(((
315 -**2**
316 -)))|(% style="width:132px" %)(((
317 -**2**
318 -)))|(% style="width:54px" %)(((
319 -**1**
320 -)))|(% style="width:64px" %)(((
321 -**4**
322 -)))
323 -|(% style="width:96px" %)(((
324 -**Value**
325 -)))|(% style="width:71px" %)(((
326 -[[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]]
327 -)))|(% style="width:99px" %)(((
328 -(((
329 -[[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]]
330 -)))
331 331  
332 -(((
333 -[[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]]
334 -)))
335 -)))|(% style="width:132px" %)(((
336 -(((
337 -BAT Status &
338 -)))
245 +(% style="width:697px" %)
246 +|(% 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**
247 +|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
248 +[[Built-In>>path:#SHT20_Temperature]]
339 339  
340 -(((
341 -[[Built-in 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]]
250 +[[Temperature>>path:#SHT20_Temperature]]
251 +)))|(% style="width:106px" %)(((
252 +[[BAT Status &>>path:#BAT_Humidity]]
253 +
254 +[[Built-in>>path:#BAT_Humidity]]
255 +
256 +[[Humidity>>path:#BAT_Humidity]]
257 +)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
258 +[[Unix>>path:#Unix_Time_Stamp]]
259 +
260 +[[Time Stamp>>path:#Unix_Time_Stamp]]
342 342  )))
343 -)))|(% style="width:54px" %)(((
344 -Status & Ext
345 -)))|(% style="width:64px" %)(((
346 -(((
347 -[[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]]
348 -)))
349 -)))
350 350  
351 -* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
263 +* **Battery status & **[[(% class="wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
352 352  
353 -(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
354 -|(% style="width:65px" %)Bit(bit)|(% style="width:267px" %)[15:14]|(% style="width:134px" %)[11:0]
355 -|(% style="width:65px" %)Value|(% style="width:267px" %)(((
265 +(% style="width:587px" %)
266 +|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
267 +|Value|(% style="width:280px" %)(((
356 356  BAT Status
357 357  
358 358  00(b): Ultra Low ( BAT <= 2.50v)
... ... @@ -362,8 +362,8 @@
362 362  10(b): OK   (2.55v <= BAT <=2.65v)
363 363  
364 364  11(b): Good   (BAT >= 2.65v)
365 -)))|(% style="width:134px" %)(((
366 -[[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]]
277 +)))|(% style="width:136px" %)(((
278 +[[Built-in Humidity>>path:#SHT20_Humidity]]
367 367  
368 368  
369 369  )))
... ... @@ -370,27 +370,30 @@
370 370  
371 371  * **Status & Ext Byte**
372 372  
373 -[[image:image-20220523152434-16.png]]
285 +(% style="width:732px" %)
286 +|(% 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]**
287 +|(% 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" %)(((
288 +Ext:
374 374  
290 +0b(1001)
291 +)))
292 +
375 375  * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
376 376  * 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.
377 377  * 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)
378 378  
379 -== 2.5 Show data on Datacake ==
380 380  
298 +== Show data on Datacake ==
299 +
381 381  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:
382 382  
383 -(((
302 +
384 384  **Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
385 -)))
386 386  
387 -(((
388 388  **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.
389 -)))
390 390  
391 -(((
307 +
392 392  Add Datacake:
393 -)))
394 394  
395 395  [[image:image-20220523000825-7.png||height="262" width="583"]]
396 396  
... ... @@ -399,348 +399,43 @@
399 399  
400 400  [[image:image-20220523000825-8.png||height="453" width="406"]]
401 401  
317 +
402 402  In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
403 403  
404 404  [[image:image-20220523000825-9.png||height="366" width="392"]]
405 405  
406 -[[image:image-20220523000825-10.png||height="413" width="728"]]
407 407  
408 -== 2.6 Datalog Feature ==
409 409  
410 -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.
324 +[[image:image-20220523000825-10.png||height="432" width="762"]]
411 411  
412 -=== 2.6.1 Ways to get datalog via LoRaWAN ===
413 413  
414 -There are two methods:
415 415  
416 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
417 -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.
328 +== LED Indicator ==
418 418  
419 -=== 2.6.2 Unix TimeStamp ===
420 -
421 -LHT65N uses Unix TimeStamp format based on
422 -
423 -[[image:image-20220523001219-11.png||height="97" width="627"]]
424 -
425 -
426 -(((
427 -User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
428 -)))
429 -
430 -(((
431 -Below is the converter example
432 -)))
433 -
434 -[[image:image-20220523001219-12.png||height="298" width="720"]]
435 -
436 -So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
437 -
438 -=== 2.6.3 Set Device Time ===
439 -
440 -(((
441 -There are two ways to set device’s time:
442 -)))
443 -
444 -(((
445 -**~1. Through LoRaWAN MAC Command (Default settings)**
446 -)))
447 -
448 -(((
449 -User need to set SYNCMOD=1 to enable sync time via MAC command.
450 -)))
451 -
452 -(((
453 -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).
454 -)))
455 -
456 -(((
457 -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.
458 -)))
459 -
460 -(((
461 -
462 -)))
463 -
464 -(((
465 -**2. Manually Set Time**
466 -)))
467 -
468 -(((
469 -User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
470 -)))
471 -
472 -=== 2.6.4 Poll sensor value ===
473 -
474 -User can poll sensor value based on timestamps from the server. Below is the downlink command.
475 -
476 -[[image:image-20220523152302-15.png]]
477 -
478 -(((
479 -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.
480 -)))
481 -
482 -(((
483 -For example, downlink command (% style="display:none" %) (%%)**31 5FC5F350 5FC6 0160 05**
484 -)))
485 -
486 -(((
487 -Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
488 -)))
489 -
490 -(((
491 -Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
492 -)))
493 -
494 -
495 -=== 2.6.5 Datalog Uplink payload ===
496 -
497 -The Datalog poll reply uplink will use below payload format.
498 -
499 -(((
500 -**Retrieval data payload**
501 -)))
502 -
503 -(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
504 -|(% style="width:93px" %)(((
505 -(((
506 -**Size(bytes)**
507 -)))
508 -)))|(% style="width:71px" %)(((
509 -(((
510 -**2**
511 -)))
512 -)))|(% style="width:102px" %)(((
513 -(((
514 -**2**
515 -)))
516 -)))|(% style="width:86px" %)(((
517 -(((
518 -**2**
519 -)))
520 -)))|(% style="width:86px" %)(((
521 -(((
522 -**1**
523 -)))
524 -)))|(% style="width:48px" %)(((
525 -(((
526 -**4**
527 -)))
528 -)))
529 -|(% style="width:93px" %)(((
530 -(((
531 -**Value**
532 -)))
533 -)))|(% style="width:71px" %)(((
534 -(((
535 -[[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]]
536 -)))
537 -)))|(% style="width:102px" %)(((
538 -(((
539 -(((
540 -[[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]]
541 -)))
542 -)))
543 -
544 -(((
545 -(((
546 -[[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]]
547 -)))
548 -)))
549 -)))|(% style="width:86px" %)(((
550 -(((
551 -(((
552 -[[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]]
553 -)))
554 -)))
555 -
556 -(((
557 -(((
558 -[[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]]
559 -)))
560 -)))
561 -)))|(% style="width:86px" %)(((
562 -(((
563 -[[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]]
564 -)))
565 -)))|(% style="width:48px" %)(((
566 -(((
567 -(((
568 -[[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]]
569 -)))
570 -)))
571 -
572 -(((
573 -(((
574 -
575 -)))
576 -)))
577 -)))
578 -
579 -**Poll message flag & Ext**
580 -
581 -[[image:image-20220523152208-14.png]]
582 -
583 -(((
584 -(((
585 -Poll Message Flag: 1: This message is a poll message reply.
586 -)))
587 -)))
588 -
589 -* (((
590 -(((
591 -Poll Message Flag is set to 1.
592 -)))
593 -)))
594 -* (((
595 -(((
596 -Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
597 -)))
598 -)))
599 -
600 -(((
601 -(((
602 -For example, in US915 band, the max payload for different DR is:
603 -)))
604 -)))
605 -
606 -(((
607 -(((
608 -a) DR0: max is 11 bytes so one entry of data
609 -)))
610 -)))
611 -
612 -(((
613 -(((
614 -b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
615 -)))
616 -)))
617 -
618 -(((
619 -(((
620 -c) DR2: total payload includes 11 entries of data
621 -)))
622 -)))
623 -
624 -(((
625 -(((
626 -d) DR3: total payload includes 22 entries of data.
627 -)))
628 -)))
629 -
630 -(((
631 -(((
632 -If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
633 -)))
634 -)))
635 -
636 -
637 -**Example:**
638 -
639 -If LHT65N has below data inside Flash:
640 -
641 -[[image:image-20220523144455-1.png||height="335" width="735"]]
642 -
643 -(((
644 -If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
645 -)))
646 -
647 -(((
648 - Where : Start time: 60065F97 = time 21/1/19 04:27:03
649 -)))
650 -
651 -(((
652 - Stop time 60066DA7= time 21/1/19 05:27:03
653 -)))
654 -
655 -(((
656 -
657 -)))
658 -
659 -(((
660 -LHT65N will uplink this payload.
661 -)))
662 -
663 -[[image:image-20220523001219-13.png||height="421" width="727"]]
664 -
665 -7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
666 -
667 -Where the first 11 bytes is for the first entry:
668 -
669 -7FFF089801464160065F97
670 -
671 -Ext sensor data=0x7FFF/100=327.67
672 -
673 -Temp=0x0898/100=22.00
674 -
675 -Hum=0x0146/10=32.6
676 -
677 -poll message flag & Ext=0x41,means reply data,Ext=1
678 -
679 -Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
680 -
681 -== 2.7 Alarm Mode ==
682 -
683 -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.
684 -
685 -(((
686 -(% 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.
687 -)))
688 -
689 -(((
690 -**AT Commands for Alarm mode:**
691 -)))
692 -
693 -(% class="box infomessage" %)
694 -(((
695 -(((
696 -**AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
697 -)))
698 -)))
699 -
700 -(% class="box infomessage" %)
701 -(((
702 -(((
703 -**AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
704 -)))
705 -)))
706 -
707 -== 2.8 LED Indicator ==
708 -
709 -(((
710 710  The LHT65N has a triple color LED which for easy shows different stage.
711 -)))
712 712  
713 -(((
714 714  While pressing ACT button, the LED will work as per LED status with ACT button.
715 -)))
716 716  
717 -(((
718 718  In a normal working state:
719 -)))
720 720  
721 -* (((
722 -For each uplink, the BLUE LED or RED LED will blink once.
723 -)))
724 -* (((
725 -BLUE LED when an external sensor is connected
726 -)))
727 -* (((
728 -RED LED when an external sensor is not connected
729 -)))
730 -* (((
731 -For each success downlink, the PURPLE LED will blink once
732 -)))
336 +* For each uplink, the BLUE LED or RED LED will blink once.
337 +* BLUE LED when an external sensor is connected
338 +* RED LED when an external sensor is not connected
339 +* For each success downlink, the PURPLE LED will blink once
733 733  
734 734  ----
735 735  
736 -== 2.9 Installation ==
343 +== Installation ==
737 737  
738 -[[image:image-20220516231650-1.png||height="436" width="428"]]
345 +[[image:image-20220516231650-1.png||height="632" width="620"]]
739 739  
740 -= 3. Sensors & Accessories =
741 741  
742 -== 3.1 E3 Temperature Probe ==
743 743  
349 +
350 += Sensors & Accessories =
351 +
352 +== E3 Temperature Probe ==
353 +
744 744  [[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
745 745  
746 746  
... ... @@ -752,387 +752,72 @@
752 752  * Operating Range: -40 ~~ 125 °C
753 753  * -55°C to 125°C
754 754  * Working voltage 2.35v ~~ 5v
365 +
755 755  
756 -= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
367 += Battery & How to replace =
757 757  
758 -(((
759 -Use can configure LHT65N via AT Command or LoRaWAN Downlink.
760 -)))
369 +== Battery Type ==
761 761  
762 -* (((
763 -AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
764 -)))
765 -* (((
766 -LoRaWAN Downlink instruction for different platforms:
767 -)))
768 -
769 -(((
770 -[[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]]
771 -)))
772 -
773 -(((
774 -There are two kinds of commands to configure LHT65N, they are:
775 -)))
776 -
777 -(((
778 -(% style="color:#4f81bd" %)* **General Commands**.
779 -)))
780 -
781 -(((
782 -These commands are to configure:
783 -)))
784 -
785 -* (((
786 -General system settings like: uplink interval.
787 -)))
788 -* (((
789 -LoRaWAN protocol & radio-related commands.
790 -)))
791 -
792 -(((
793 -They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
794 -)))
795 -
796 -(((
797 -[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
798 -)))
799 -
800 -(((
801 -(% style="color:#4f81bd" %)* **Commands special design for LHT65N**
802 -)))
803 -
804 -(((
805 -These commands are only valid for LHT65N, as below:
806 -)))
807 -
808 -== 4.1 Set Transmit Interval Time ==
809 -
810 -Feature: Change LoRaWAN End Node Transmit Interval.
811 -
812 -**AT Command: AT+TDC**
813 -
814 -[[image:image-20220523150701-2.png]]
815 -
816 -(((
817 -**Downlink Command: 0x01**
818 -)))
819 -
820 -(((
821 -Format: Command Code (0x01) followed by 3 bytes time value.
822 -)))
823 -
824 -(((
825 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
826 -)))
827 -
828 -* (((
829 -**Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
830 -)))
831 -* (((
832 -**Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
833 -)))
834 -
835 -== 4.2 Set External Sensor Mode ==
836 -
837 -Feature: Change External Sensor Mode.
838 -
839 -**AT Command: AT+EXT**
840 -
841 -[[image:image-20220523150759-3.png]]
842 -
843 -(((
844 -**Downlink Command: 0xA2**
845 -)))
846 -
847 -(((
848 -Total bytes: 2 ~~ 5 bytes
849 -)))
850 -
851 -(((
852 -**Example:**
853 -)))
854 -
855 -* (((
856 -0xA201: Set external sensor type to E1
857 -)))
858 -* (((
859 -0xA209: Same as AT+EXT=9
860 -)))
861 -* (((
862 -0xA20702003c,Same as AT+SETCNT=60
863 -)))
864 -
865 -== 4.3 Enable/Disable uplink Temperature probe ID ==
866 -
867 -Feature: If PID is enabled, device will send the temperature probe ID on:
868 -
869 -* First Packet after OTAA Join
870 -* Every 24 hours since the first packet.
871 -
872 -PID is default set to disable (0)
873 -
874 -**AT Command:**
875 -
876 -[[image:image-20220523150928-4.png]]
877 -
878 -**Downlink Command:**
879 -
880 -* 0xA800  **~-~->** AT+PID=0
881 -* 0xA801     **~-~->** AT+PID=1
882 -
883 -== 4.4 Set Password ==
884 -
885 -Feature: Set device password, max 9 digits
886 -
887 -**AT Command: AT+PWORD**
888 -
889 -[[image:image-20220523151052-5.png]]
890 -
891 -(((
892 -**Downlink Command:**
893 -)))
894 -
895 -(((
896 -No downlink command for this feature.
897 -)))
898 -
899 -== 4.5 Quit AT Command ==
900 -
901 -Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
902 -
903 -**AT Command: AT+DISAT**
904 -
905 -[[image:image-20220523151132-6.png]]
906 -
907 -**Downlink Command:**
908 -
909 -No downlink command for this feature.
910 -
911 -== 4.6 Set to sleep mode ==
912 -
913 -Feature: Set device to sleep mode
914 -
915 -**AT Command: AT+SLEEP**
916 -
917 -[[image:image-20220523151218-7.png]]
918 -
919 -**Downlink Command:**
920 -
921 -* There is no downlink command to set to Sleep mode.
922 -
923 -== 4.7 Set system time ==
924 -
925 -Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
926 -
927 -**AT Command:**
928 -
929 -[[image:image-20220523151253-8.png]]
930 -
931 -**Downlink Command:**
932 -
933 -0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
934 -
935 -== 4.8 Set Time Sync Mode ==
936 -
937 -(((
938 -Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
939 -)))
940 -
941 -(((
942 -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.
943 -)))
944 -
945 -(((
946 -**AT Command:**
947 -)))
948 -
949 -[[image:image-20220523151336-9.png]]
950 -
951 -**Downlink Command:**
952 -
953 -0x28 01 ~/~/ Same As AT+SYNCMOD=1
954 -
955 -0x28 00 ~/~/ Same As AT+SYNCMOD=0
956 -
957 -== 4.9 Set Time Sync Interval ==
958 -
959 -Feature: Define System time sync interval. SYNCTDC default value: 10 days.
960 -
961 -**AT Command:**
962 -
963 -[[image:image-20220523151411-10.png]]
964 -
965 -**Downlink Command:**
966 -
967 -0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
968 -
969 -== 4.10 Print data entries base on page. ==
970 -
971 -Feature: Print the sector data from start page to stop page (max is 416 pages).
972 -
973 -**AT Command: AT+PDTA**
974 -
975 -[[image:image-20220523151450-11.png]]
976 -
977 -**Downlink Command:**
978 -
979 -No downlink commands for feature
980 -
981 -== 4.11 Print last few data entries. ==
982 -
983 -Feature: Print the last few data entries
984 -
985 -**AT Command: AT+PLDTA**
986 -
987 -[[image:image-20220523151524-12.png]]
988 -
989 -**Downlink Command:**
990 -
991 -No downlink commands for feature
992 -
993 -== 4.12 Clear Flash Record ==
994 -
995 -Feature: Clear flash storage for data log feature.
996 -
997 -**AT Command: AT+CLRDTA**
998 -
999 -[[image:image-20220523151556-13.png]]
1000 -
1001 -**Downlink Command: 0xA3**
1002 -
1003 -* Example: 0xA301 ~/~/Same as AT+CLRDTA
1004 -
1005 -== 4.13 Auto Send None-ACK messages ==
1006 -
1007 -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.
1008 -
1009 -
1010 -**AT Command: AT+PNACKMD**
1011 -
1012 -The default factory setting is 0
1013 -
1014 -|**Command Example**|**Function**|**Response**
1015 -|AT+PNACKMD=1|Poll None-ACK message|OK
1016 -
1017 -**Downlink Command: 0x34**
1018 -
1019 -* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1020 -
1021 -= 5. Battery & How to replace =
1022 -
1023 -== 5.1 Battery Type ==
1024 -
1025 1025  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.
1026 1026  
1027 -(((
1028 1028  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1029 1029  [[image:image-20220515075034-1.png||height="208" width="644"]]
1030 -)))
1031 1031  
1032 -(((
376 +
1033 1033  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1034 1034  
1035 -)))
1036 1036  
1037 -== 5.2 Replace Battery ==
380 +== Replace Battery ==
1038 1038  
1039 1039  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.
1040 1040  
1041 1041  [[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
1042 1042  
1043 -== 5.3 Battery Life Analyze ==
1044 1044  
1045 -(((
387 +== Battery Life Analyze ==
388 +
1046 1046  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:
1047 1047  https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
1048 -)))
1049 1049  
1050 -= 6. Order Info =
1051 1051  
1052 -(((
1053 -Part Number: (% style="color:#4f81bd" %)** LHT65N-XX-YY**
1054 -)))
393 += Order Info =
1055 1055  
1056 -(((
1057 -(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
1058 -)))
395 +Part Number: (% class="mark" %)**LHT65N-XX**
1059 1059  
1060 -* (((
1061 -(% style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
1062 -)))
1063 -* (((
1064 -(% style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
1065 -)))
1066 -* (((
1067 -(% style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
1068 -)))
1069 -* (((
1070 -(% style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
1071 -)))
1072 -* (((
1073 -(% style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
1074 -)))
1075 -* (((
1076 -(% style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
1077 -)))
1078 -* (((
1079 -(% style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
1080 -)))
1081 -* (((
1082 -(% style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
1083 -)))
397 +**XX**: The default frequency band
1084 1084  
1085 -(((
1086 -(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
1087 -)))
399 +* **AS923**: LoRaWAN AS923 band
400 +* **AU915**: LoRaWAN AU915 band
401 +* **EU433**: LoRaWAN EU433 band
402 +* **EU868**: LoRaWAN EU868 band
403 +* **KR920**: LoRaWAN KR920 band
404 +* **US915**: LoRaWAN US915 band
405 +* **IN865**: LoRaWAN IN865 band
406 +* **CN470**: LoRaWAN CN470 band
1088 1088  
1089 -* (((
1090 -(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
1091 -)))
408 +**YY**: Sensor Accessories
1092 1092  
1093 -= 7. Packing Info =
410 +* **E3**: External Temperature Probe
1094 1094  
1095 -(((
412 += Packing Info =
413 +
1096 1096  **Package Includes**:
1097 -)))
1098 1098  
1099 -* (((
1100 -LHT65N Temperature & Humidity Sensor x 1
1101 -)))
1102 -* (((
1103 -Program cable x 1
1104 -)))
1105 -* (((
1106 -Optional external sensor
1107 -)))
416 +* LHT65N Temperature & Humidity Sensor x 1
417 +* Program cable x 1
418 +* Optional external sensor
1108 1108  
1109 -(((
1110 1110  **Dimension and weight**:
1111 -)))
1112 1112  
1113 -* (((
1114 -Device Size:  13.5 x 7 x 3 cm
1115 -)))
1116 -* (((
1117 -Device Weight: 105g
1118 -)))
1119 -* (((
1120 -Package Size / pcs : 14.5 x 8 x 5 cm
1121 -)))
1122 -* (((
1123 -Weight / pcs : 170g
1124 -)))
422 +* Device Size:  13.5 x 7 x 3 cm
423 +* Device Weight: 105g
424 +* Package Size / pcs : 14.5 x 8 x 5 cm
425 +* Weight / pcs : 170g
1125 1125  
1126 -= 8. FCC Warning =
427 += FCC Warning =
1127 1127  
1128 -(((
1129 1129  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1130 -)))
1131 1131  
1132 -(((
1133 -(1) This device may not cause harmful interference；
1134 -)))
431 +(1) This device may not cause harmful interference, and
1135 1135  
1136 -(((
1137 -(2) this device must accept any interference received, including interference that may cause undesired operation.
1138 -)))
433 +(2) this device must accept any interference received, including interference that may cause undesired operation
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