Last modified by Mengting Qiu on 2024/04/30 14:27
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From version < 77.4 >
edited by Xiaoling
on 2022/05/23 16:04
To version < 51.1 >
edited by Edwin Chen
on 2022/05/23 00:18
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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="500" width="500"]]
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
... ... @@ -56,87 +56,55 @@
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="163" width="739"]]
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 -== 2.3 Example to join LoRaWAN network ==
85 +== Example to join LoRaWAN network ==
140 140  
141 141  (% class="wikigeneratedid" %)
142 142  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.
... ... @@ -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 ===
96 +=== **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  
110 +
164 164  [[image:image-20220522232932-4.png]]
165 165  
113 +
166 166  [[image:image-20220522232954-5.png]]
167 167  
168 168  Note: LHT65N use same payload as LHT65.
... ... @@ -175,60 +175,37 @@
175 175  [[image:image-20220522233118-7.png]]
176 176  
177 177  
178 -=== 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. ===
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"]]
130 +[[image:image-20220522233300-8.png]]
183 183  
184 184  
185 -== 2.4 Uplink Payload ==
133 +== 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.
135 +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.
137 +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>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.2BAT-BatteryInfo]]
209 -)))|(% style="width:100px" %)(((
210 -(((
211 -[[Built-In Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
212 -)))
213 -)))|(% style="width:77px" %)(((
214 -(((
215 -[[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]]
216 -)))
217 217  
218 -(((
219 -[[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]]
220 -)))
221 -)))|(% style="width:47px" %)(((
222 -[[Ext>>path:#Extension_Sensor]] #
223 -)))|(% style="width:51px" %)(((
224 -[[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]]
225 -)))
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]]
226 226  
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 +
227 227  * The First 6 bytes: has fix meanings for every LHT65N.
228 228  * The 7th byte (EXT #): defines the external sensor model.
229 229  * 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.)
230 230  
231 -=== 2.4.1 Decoder in TTN V3 ===
156 +=== Decoder in TTN V3 ===
232 232  
233 233  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.
234 234  
... ... @@ -236,24 +236,37 @@
236 236  
237 237  [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
238 238  
239 -[[image:image-20220522234118-10.png||height="353" width="729"]]
164 +[[image:image-20220522234118-10.png]]
240 240  
241 -=== 2.4.2 BAT-Battery Info ===
242 242  
167 +=== BAT-Battery Info ===
168 +
243 243  These two bytes of BAT include the battery state and the actually voltage
244 244  
245 -[[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
246 246  
247 -[[image:image-20220522235639-1.png||height="139" width="727"]]
176 +00(b): Ultra Low ( BAT <= 2.50v)
248 248  
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 +
249 249  Check the battery voltage for LHT65N.
250 250  
251 251  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
252 252  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
253 253  
254 -=== 2.4.3 Built-in Temperature ===
192 +=== Built-in Temperature ===
255 255  
256 -[[image:image-20220522235639-2.png||height="138" width="722"]]
194 +[[image:image-20220522235639-2.png]]
257 257  
258 258  * Temperature:  0x0ABB/100=27.47℃
259 259  
... ... @@ -261,92 +261,72 @@
261 261  
262 262  * Temperature:  (0xF5C6-65536)/100=-26.18℃
263 263  
264 -=== 2.4.4 Built-in Humidity ===
202 +=== Built-in Humidity ===
265 265  
266 -[[image:image-20220522235639-4.png||height="138" width="722"]]
204 +[[image:image-20220522235639-4.png]]
267 267  
268 268  * Humidity:    0x025C/10=60.4%
269 269  
270 -=== 2.4.5 Ext # ===
208 +=== Ext # ===
271 271  
272 272  Bytes for External Sensor:
273 273  
274 -[[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
275 275  
276 -=== 2.4.6 Ext value ===
217 +=== Ext value ===
277 277  
278 -==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
219 +==== Ext~=1, E3 Temperature Sensor ====
279 279  
280 280  [[image:image-20220522235639-5.png]]
281 281  
223 +
282 282  * DS18B20 temp=0x0ADD/100=27.81℃
283 283  
284 284  The last 2 bytes of data are meaningless
285 285  
228 +
229 +
286 286  [[image:image-20220522235639-6.png]]
287 287  
288 288  * External temperature= (0xF54F-65536)/100=-27.37℃
289 289  
290 -(((
291 291  The last 2 bytes of data are meaningless
292 -)))
293 293  
294 -(((
236 +
295 295  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
296 -)))
297 297  
298 298  
299 -==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
240 +==== Ext~=9, E3 sensor with Unix Timestamp ====
300 300  
301 301  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:
302 302  
303 -(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
304 -|(% style="width:96px" %)(((
305 -**Size(bytes)**
306 -)))|(% style="width:71px" %)(((
307 -**2**
308 -)))|(% style="width:99px" %)(((
309 -**2**
310 -)))|(% style="width:132px" %)(((
311 -**2**
312 -)))|(% style="width:54px" %)(((
313 -**1**
314 -)))|(% style="width:64px" %)(((
315 -**4**
316 -)))
317 -|(% style="width:96px" %)(((
318 -**Value**
319 -)))|(% style="width:71px" %)(((
320 -[[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]]
321 -)))|(% style="width:99px" %)(((
322 -(((
323 -[[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]]
324 -)))
325 325  
326 -(((
327 -[[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]]
328 -)))
329 -)))|(% style="width:132px" %)(((
330 -(((
331 -BAT Status &
332 -)))
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]]
333 333  
334 -(((
335 -[[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]]
336 336  )))
337 -)))|(% style="width:54px" %)(((
338 -Status & Ext
339 -)))|(% style="width:64px" %)(((
340 -(((
341 -[[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]]
342 -)))
343 -)))
344 344  
345 -* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
263 +* **Battery status & **[[(% class="wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
346 346  
347 -(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
348 -|(% style="width:65px" %)Bit(bit)|(% style="width:267px" %)[15:14]|(% style="width:134px" %)[11:0]
349 -|(% 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" %)(((
350 350  BAT Status
351 351  
352 352  00(b): Ultra Low ( BAT <= 2.50v)
... ... @@ -356,8 +356,8 @@
356 356  10(b): OK   (2.55v <= BAT <=2.65v)
357 357  
358 358  11(b): Good   (BAT >= 2.65v)
359 -)))|(% style="width:134px" %)(((
360 -[[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]]
361 361  
362 362  
363 363  )))
... ... @@ -364,27 +364,29 @@
364 364  
365 365  * **Status & Ext Byte**
366 366  
367 -[[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:
368 368  
290 +0b(1001)
291 +)))
292 +
369 369  * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
370 370  * 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.
371 371  * 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)
372 372  
373 -== 2.5 Show data on Datacake ==
297 +== Show data on Datacake ==
374 374  
375 375  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:
376 376  
377 -(((
301 +
378 378  **Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
379 -)))
380 380  
381 -(((
382 382  **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.
383 -)))
384 384  
385 -(((
306 +
386 386  Add Datacake:
387 -)))
388 388  
389 389  [[image:image-20220523000825-7.png||height="262" width="583"]]
390 390  
... ... @@ -393,17 +393,21 @@
393 393  
394 394  [[image:image-20220523000825-8.png||height="453" width="406"]]
395 395  
316 +
396 396  In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
397 397  
398 398  [[image:image-20220523000825-9.png||height="366" width="392"]]
399 399  
400 -[[image:image-20220523000825-10.png||height="413" width="728"]]
401 401  
402 -== 2.6 Datalog Feature ==
403 403  
323 +[[image:image-20220523000825-10.png||height="432" width="762"]]
324 +
325 +
326 +== Datalog Feature ==
327 +
404 404  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.
405 405  
406 -=== 2.6.1 Unix TimeStamp ===
330 +=== Unix TimeStamp ===
407 407  
408 408  LHT65N uses Unix TimeStamp format based on
409 409  
... ... @@ -410,215 +410,103 @@
410 410  [[image:image-20220523001219-11.png||height="97" width="627"]]
411 411  
412 412  
413 -(((
414 414  User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
415 -)))
416 416  
417 -(((
418 418  Below is the converter example
419 -)))
420 420  
421 -[[image:image-20220523001219-12.png||height="298" width="720"]]
341 +[[image:image-20220523001219-12.png||height="353" width="853"]]
422 422  
423 423  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
424 424  
425 -=== 2.6.2 Set Device Time ===
426 426  
427 -(((
346 +=== Set Device Time ===
347 +
428 428  There are two ways to set device’s time:
429 -)))
430 430  
431 -(((
432 432  **~1. Through LoRaWAN MAC Command (Default settings)**
433 -)))
434 434  
435 -(((
436 436  User need to set SYNCMOD=1 to enable sync time via MAC command.
437 -)))
438 438  
439 -(((
440 440  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).
441 -)))
442 442  
443 -(((
444 444  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.
445 -)))
446 446  
447 -(((
448 -
449 -)))
450 450  
451 -(((
452 452  **2. Manually Set Time**
453 -)))
454 454  
455 -(((
456 456  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
457 -)))
458 458  
459 -=== 2.6.3 Poll sensor value ===
460 460  
364 +=== Poll sensor value ===
365 +
461 461  User can poll sensor value based on timestamps from the server. Below is the downlink command.
462 462  
463 -[[image:image-20220523152302-15.png]]
464 464  
465 -(((
369 +(% style="width:454px" %)
370 +|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
371 +|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
372 +
373 +
466 466  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.
467 -)))
468 468  
469 -(((
470 -For example, downlink command **31 5FC5F350 5FC6 0160 05**
471 -)))
472 472  
473 -(((
377 +For example, downlink command 31 5FC5F350 5FC6 0160 05
378 +
474 474  Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
475 -)))
476 476  
477 -(((
478 478  Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
479 -)))
480 480  
481 481  
482 -=== 2.6.4 Datalog Uplink payload ===
384 +=== Datalog Uplink payload ===
483 483  
484 484  The Datalog poll reply uplink will use below payload format.
485 485  
486 -(((
487 -**Retrieval data payload**
488 -)))
489 489  
490 -(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
491 -|(% style="width:93px" %)(((
492 -(((
493 -**Size(bytes)**
494 -)))
495 -)))|(% style="width:71px" %)(((
496 -(((
497 -**2**
498 -)))
499 -)))|(% style="width:102px" %)(((
500 -(((
501 -**2**
502 -)))
503 -)))|(% style="width:86px" %)(((
504 -(((
505 -**2**
506 -)))
507 -)))|(% style="width:86px" %)(((
508 -(((
509 -**1**
510 -)))
511 -)))|(% style="width:48px" %)(((
512 -(((
513 -**4**
514 -)))
515 -)))
516 -|(% style="width:93px" %)(((
517 -(((
518 -**Value**
519 -)))
520 -)))|(% style="width:71px" %)(((
521 -(((
522 -[[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]]
523 -)))
524 -)))|(% style="width:102px" %)(((
525 -(((
526 -(((
527 -[[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]]
528 -)))
529 -)))
389 +Retrieval data payload
530 530  
531 -(((
532 -(((
533 -[[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]]
534 -)))
535 -)))
536 -)))|(% style="width:86px" %)(((
537 -(((
538 -(((
539 -[[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]]
540 -)))
541 -)))
391 +|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
392 +|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
393 +[[Built-In>>path:#SHT20_Temperature]]
542 542  
543 -(((
544 -(((
545 -[[Humidity>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
546 -)))
547 -)))
548 -)))|(% style="width:86px" %)(((
549 -(((
550 -[[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]]
551 -)))
552 -)))|(% style="width:48px" %)(((
553 -(((
554 -(((
555 -[[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]]
556 -)))
557 -)))
395 +[[Temperature>>path:#SHT20_Temperature]]
396 +)))|(((
397 +[[Built-in>>path:#SHT20_Humidity]]
558 558  
559 -(((
560 -(((
399 +[[Humidity>>path:#SHT20_Humidity]]
400 +)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
401 +[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
402 +
561 561  
562 562  )))
563 -)))
564 -)))
565 565  
566 -**Poll message flag & Ext**
567 567  
568 -[[image:image-20220523152208-14.png]]
407 +Poll message flag & Ext
569 569  
570 -(((
571 -(((
572 -Poll Message Flag: 1: This message is a poll message reply.
573 -)))
574 -)))
575 575  
576 -* (((
577 -(((
578 -Poll Message Flag is set to 1.
410 +|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
411 +|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
412 +Ext:
413 +
414 +0b(1001)
579 579  )))
580 -)))
581 -* (((
582 -(((
583 -Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
584 -)))
585 -)))
586 586  
587 -(((
588 -(((
417 +
418 +Poll Message Flag: 1: This message is a poll message reply.
419 +
420 +* Poll Message Flag is set to 1.
421 +* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
422 +
589 589  For example, in US915 band, the max payload for different DR is:
590 -)))
591 -)))
592 592  
593 -(((
594 -(((
595 -a) DR0: max is 11 bytes so one entry of data
596 -)))
597 -)))
425 +a)      DR0: max is 11 bytes so one entry of data
598 598  
599 -(((
600 -(((
601 -b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
602 -)))
603 -)))
427 +b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
604 604  
605 -(((
606 -(((
607 -c) DR2: total payload includes 11 entries of data
608 -)))
609 -)))
429 +c)      DR2: total payload includes 11 entries of data
610 610  
611 -(((
612 -(((
613 -d) DR3: total payload includes 22 entries of data.
614 -)))
615 -)))
431 +d)      DR3: total payload includes 22 entries of data.
616 616  
617 -(((
618 -(((
619 619  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
620 -)))
621 -)))
622 622  
623 623  
624 624  **Example:**
... ... @@ -625,29 +625,37 @@
625 625  
626 626  If LHT65N has below data inside Flash:
627 627  
628 -[[image:image-20220523144455-1.png||height="335" width="735"]]
440 +Flash Addr   |Unix Time | Ext | BAT voltage|  Value                  
629 629  
630 -(((
631 -If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
632 -)))
442 +80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
633 633  
634 -(((
444 +80196F0 21/1/19 04:28:57 1 3145 sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
445 +
446 +8019700 21/1/19 04:30:30 1 3145 sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
447 +
448 +8019710 21/1/19 04:40:30 1 3145 sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
449 +
450 +8019720 21/1/19 04:50:30 1 3147 sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
451 +
452 +8019730 21/1/19 05:00:30 1 3149 sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
453 +
454 +8019740 21/1/19 05:10:30 1 3149 sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
455 +
456 +8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
457 +
458 +
459 +If user sends below downlink command:
460 +
461 +3160065F9760066DA705
462 +
635 635   Where : Start time: 60065F97 = time 21/1/19 04:27:03
636 -)))
637 637  
638 -(((
639 639   Stop time 60066DA7= time 21/1/19 05:27:03
640 -)))
641 641  
642 -(((
643 -
644 -)))
645 645  
646 -(((
647 647  LHT65N will uplink this payload.
648 -)))
649 649  
650 -[[image:image-20220523001219-13.png||height="421" width="727"]]
470 +[[image:image-20220523001219-13.png]]
651 651  
652 652  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
653 653  
... ... @@ -665,69 +665,49 @@
665 665  
666 666  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
667 667  
668 -== 2.7 Alarm Mode ==
669 669  
489 +== Alarm Mode ==
490 +
670 670  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.
671 671  
672 -(((
673 -(% 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.
674 -)))
675 675  
676 -(((
677 -**AT Commands for Alarm mode:**
678 -)))
494 +Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
679 679  
680 -(% class="box infomessage" %)
681 -(((
682 -(((
496 +
497 +AT Commands for Alarm mode:
498 +
683 683  **AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
684 -)))
685 -)))
686 686  
687 -(% class="box infomessage" %)
688 -(((
689 -(((
690 690  **AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
691 -)))
692 -)))
693 693  
694 -== 2.8 LED Indicator ==
695 695  
696 -(((
504 +
505 +== LED Indicator ==
506 +
697 697  The LHT65N has a triple color LED which for easy shows different stage.
698 -)))
699 699  
700 -(((
701 701  While pressing ACT button, the LED will work as per LED status with ACT button.
702 -)))
703 703  
704 -(((
705 705  In a normal working state:
706 -)))
707 707  
708 -* (((
709 -For each uplink, the BLUE LED or RED LED will blink once.
710 -)))
711 -* (((
712 -BLUE LED when an external sensor is connected
713 -)))
714 -* (((
715 -RED LED when an external sensor is not connected
716 -)))
717 -* (((
718 -For each success downlink, the PURPLE LED will blink once
719 -)))
513 +* For each uplink, the BLUE LED or RED LED will blink once.
514 +* BLUE LED when an external sensor is connected
515 +* RED LED when an external sensor is not connected
516 +* For each success downlink, the PURPLE LED will blink once
720 720  
721 721  ----
722 722  
723 -== 2.9 Installation ==
520 +== Installation ==
724 724  
725 -[[image:image-20220516231650-1.png||height="436" width="428"]]
522 +[[image:image-20220516231650-1.png||height="632" width="620"]]
726 726  
727 -= 3. Sensors & Accessories =
728 728  
729 -== 3.1 E3 Temperature Probe ==
730 730  
526 +
527 += Sensors & Accessories =
528 +
529 +== E3 Temperature Probe ==
530 +
731 731  [[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
732 732  
733 733  
... ... @@ -739,371 +739,72 @@
739 739  * Operating Range: -40 ~~ 125 °C
740 740  * -55°C to 125°C
741 741  * Working voltage 2.35v ~~ 5v
542 +
742 742  
743 -= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
544 += Battery & How to replace =
744 744  
745 -(((
746 -Use can configure LHT65N via AT Command or LoRaWAN Downlink.
747 -)))
546 +== Battery Type ==
748 748  
749 -* (((
750 -AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
751 -)))
752 -* (((
753 -LoRaWAN Downlink instruction for different platforms:
754 -)))
755 -
756 -(((
757 -[[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]]
758 -)))
759 -
760 -(((
761 -There are two kinds of commands to configure LHT65N, they are:
762 -)))
763 -
764 -(((
765 -(% style="color:#4f81bd" %)* **General Commands**.
766 -)))
767 -
768 -(((
769 -These commands are to configure:
770 -)))
771 -
772 -* (((
773 -General system settings like: uplink interval.
774 -)))
775 -* (((
776 -LoRaWAN protocol & radio-related commands.
777 -)))
778 -
779 -(((
780 -They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
781 -)))
782 -
783 -(((
784 -[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
785 -)))
786 -
787 -(((
788 -(% style="color:#4f81bd" %)* **Commands special design for LHT65N**
789 -)))
790 -
791 -(((
792 -These commands are only valid for LHT65N, as below:
793 -)))
794 -
795 -== 4.1 Set Transmit Interval Time ==
796 -
797 -Feature: Change LoRaWAN End Node Transmit Interval.
798 -
799 -**AT Command: AT+TDC**
800 -
801 -[[image:image-20220523150701-2.png]]
802 -
803 -(((
804 -**Downlink Command: 0x01**
805 -)))
806 -
807 -(((
808 -Format: Command Code (0x01) followed by 3 bytes time value.
809 -)))
810 -
811 -(((
812 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
813 -)))
814 -
815 -* (((
816 -**Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
817 -)))
818 -* (((
819 -**Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
820 -)))
821 -
822 -== 4.2 Set External Sensor Mode ==
823 -
824 -Feature: Change External Sensor Mode.
825 -
826 -**AT Command: AT+EXT**
827 -
828 -[[image:image-20220523150759-3.png]]
829 -
830 -(((
831 -**Downlink Command: 0xA2**
832 -)))
833 -
834 -(((
835 -Total bytes: 2 ~~ 5 bytes
836 -)))
837 -
838 -(((
839 -**Example:**
840 -)))
841 -
842 -* (((
843 -0xA201: Set external sensor type to E1
844 -)))
845 -* (((
846 -0xA209: Same as AT+EXT=9
847 -)))
848 -* (((
849 -0xA20702003c,Same as AT+SETCNT=60
850 -)))
851 -
852 -== 4.3 Enable/Disable uplink Temperature probe ID ==
853 -
854 -Feature: If PID is enabled, device will send the temperature probe ID on:
855 -
856 -* First Packet after OTAA Join
857 -* Every 24 hours since the first packet.
858 -
859 -PID is default set to disable (0)
860 -
861 -**AT Command:**
862 -
863 -[[image:image-20220523150928-4.png]]
864 -
865 -**Downlink Command:**
866 -
867 -* 0xA800  **~-~->** AT+PID=0
868 -* 0xA801     **~-~->** AT+PID=1
869 -
870 -== 4.4 Set Password ==
871 -
872 -Feature: Set device password, max 9 digits
873 -
874 -**AT Command: AT+PWORD**
875 -
876 -[[image:image-20220523151052-5.png]]
877 -
878 -(((
879 -**Downlink Command:**
880 -)))
881 -
882 -(((
883 -No downlink command for this feature.
884 -)))
885 -
886 -== 4.5 Quit AT Command ==
887 -
888 -Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
889 -
890 -**AT Command: AT+DISAT**
891 -
892 -[[image:image-20220523151132-6.png]]
893 -
894 -**Downlink Command:**
895 -
896 -No downlink command for this feature.
897 -
898 -== 4.6 Set to sleep mode ==
899 -
900 -Feature: Set device to sleep mode
901 -
902 -**AT Command: AT+SLEEP**
903 -
904 -[[image:image-20220523151218-7.png]]
905 -
906 -**Downlink Command:**
907 -
908 -* There is no downlink command to set to Sleep mode.
909 -
910 -== 4.7 Set system time ==
911 -
912 -Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
913 -
914 -**AT Command:**
915 -
916 -[[image:image-20220523151253-8.png]]
917 -
918 -**Downlink Command:**
919 -
920 -0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
921 -
922 -== 4.8 Set Time Sync Mode ==
923 -
924 -(((
925 -Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
926 -)))
927 -
928 -(((
929 -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.
930 -)))
931 -
932 -(((
933 -**AT Command:**
934 -)))
935 -
936 -[[image:image-20220523151336-9.png]]
937 -
938 -**Downlink Command:**
939 -
940 -0x28 01 ~/~/ Same As AT+SYNCMOD=1
941 -
942 -0x28 00 ~/~/ Same As AT+SYNCMOD=0
943 -
944 -== 4.9 Set Time Sync Interval ==
945 -
946 -Feature: Define System time sync interval. SYNCTDC default value: 10 days.
947 -
948 -**AT Command:**
949 -
950 -[[image:image-20220523151411-10.png]]
951 -
952 -**Downlink Command:**
953 -
954 -0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
955 -
956 -== 4.10 Print data entries base on page. ==
957 -
958 -Feature: Print the sector data from start page to stop page (max is 416 pages).
959 -
960 -**AT Command: AT+PDTA**
961 -
962 -[[image:image-20220523151450-11.png]]
963 -
964 -**Downlink Command:**
965 -
966 -No downlink commands for feature
967 -
968 -== 4.11 Print last few data entries. ==
969 -
970 -Feature: Print the last few data entries
971 -
972 -**AT Command: AT+PLDTA**
973 -
974 -[[image:image-20220523151524-12.png]]
975 -
976 -**Downlink Command:**
977 -
978 -No downlink commands for feature
979 -
980 -== 4.12 Clear Flash Record ==
981 -
982 -Feature: Clear flash storage for data log feature.
983 -
984 -**AT Command: AT+CLRDTA**
985 -
986 -[[image:image-20220523151556-13.png]]
987 -
988 -**Downlink Command: 0xA3**
989 -
990 -* Example: 0xA301 ~/~/Same as AT+CLRDTA
991 -
992 -= 5. Battery & How to replace =
993 -
994 -== 5.1 Battery Type ==
995 -
996 996  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.
997 997  
998 -(((
999 999  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1000 1000  [[image:image-20220515075034-1.png||height="208" width="644"]]
1001 -)))
1002 1002  
1003 -(((
553 +
1004 1004  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1005 1005  
1006 -)))
1007 1007  
1008 -== 5.2 Replace Battery ==
557 +== Replace Battery ==
1009 1009  
1010 1010  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.
1011 1011  
1012 1012  [[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
1013 1013  
1014 -== 5.3 Battery Life Analyze ==
1015 1015  
1016 -(((
564 +== Battery Life Analyze ==
565 +
1017 1017  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:
1018 1018  https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
1019 -)))
1020 1020  
1021 -= 6. Order Info =
1022 1022  
1023 -(((
1024 -Part Number: (% style="color:#4f81bd" %)** LHT65N-XX-YY**
1025 -)))
570 += Order Info =
1026 1026  
1027 -(((
1028 -(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
1029 -)))
572 +Part Number: (% class="mark" %)**LHT65N-XX**
1030 1030  
1031 -* (((
1032 -(% style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
1033 -)))
1034 -* (((
1035 -(% style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
1036 -)))
1037 -* (((
1038 -(% style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
1039 -)))
1040 -* (((
1041 -(% style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
1042 -)))
1043 -* (((
1044 -(% style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
1045 -)))
1046 -* (((
1047 -(% style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
1048 -)))
1049 -* (((
1050 -(% style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
1051 -)))
1052 -* (((
1053 -(% style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
1054 -)))
574 +**XX**: The default frequency band
1055 1055  
1056 -(((
1057 -(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
1058 -)))
576 +* **AS923**: LoRaWAN AS923 band
577 +* **AU915**: LoRaWAN AU915 band
578 +* **EU433**: LoRaWAN EU433 band
579 +* **EU868**: LoRaWAN EU868 band
580 +* **KR920**: LoRaWAN KR920 band
581 +* **US915**: LoRaWAN US915 band
582 +* **IN865**: LoRaWAN IN865 band
583 +* **CN470**: LoRaWAN CN470 band
1059 1059  
1060 -* (((
1061 -(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
1062 -)))
585 +**YY**: Sensor Accessories
1063 1063  
1064 -= 7. Packing Info =
587 +* **E3**: External Temperature Probe
1065 1065  
1066 -(((
589 += Packing Info =
590 +
1067 1067  **Package Includes**:
1068 -)))
1069 1069  
1070 -* (((
1071 -LHT65N Temperature & Humidity Sensor x 1
1072 -)))
1073 -* (((
1074 -Program cable x 1
1075 -)))
1076 -* (((
1077 -Optional external sensor
1078 -)))
593 +* LHT65N Temperature & Humidity Sensor x 1
594 +* Program cable x 1
595 +* Optional external sensor
1079 1079  
1080 -(((
1081 1081  **Dimension and weight**:
1082 -)))
1083 1083  
1084 -* (((
1085 -Device Size:  13.5 x 7 x 3 cm
1086 -)))
1087 -* (((
1088 -Device Weight: 105g
1089 -)))
1090 -* (((
1091 -Package Size / pcs : 14.5 x 8 x 5 cm
1092 -)))
1093 -* (((
1094 -Weight / pcs : 170g
1095 -)))
599 +* Device Size:  13.5 x 7 x 3 cm
600 +* Device Weight: 105g
601 +* Package Size / pcs : 14.5 x 8 x 5 cm
602 +* Weight / pcs : 170g
1096 1096  
1097 -= 8. FCC Warning =
604 += FCC Warning =
1098 1098  
1099 -(((
1100 1100  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1101 -)))
1102 1102  
1103 -(((
1104 -(1) This device may not cause harmful interference；
1105 -)))
608 +(1) This device may not cause harmful interference, and
1106 1106  
1107 -(((
1108 -(2) this device must accept any interference received, including interference that may cause undesired operation.
1109 -)))
610 +(2) this device must accept any interference received, including interference that may cause undesired operation
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