Last modified by Mengting Qiu on 2024/04/30 14:27
<
From version < 51.1 >
edited by Edwin Chen
on 2022/05/23 00:18
To version < 103.3 >
edited by Bei Jinggeng
on 2022/05/25 16:24
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Summary

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Author
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1 -XWiki.Edwin
1 +XWiki.Bei
Content
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
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 +
2 2  {{toc/}}
3 -{{/box}}
4 4  
5 -= Overview =
6 6  
7 -[[image:LHT65N_10.png||alt="LHT65_Image" height="265" width="265"]]
8 8  
9 9  
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**(%%)**.**
17 += 1. Introduction =
11 11  
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 +(((
12 12  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 +)))
13 13  
29 +(((
14 14  LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
31 +)))
15 15  
33 +(((
16 16  LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
35 +)))
17 17  
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.
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 +)))
19 19  
41 +(((
20 20  *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
43 +)))
21 21  
45 +== 1.2 Features ==
22 22  
23 -== Features: ==
24 -
25 25  * Wall mountable
26 26  * LoRaWAN v1.0.3 Class A protocol
27 27  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
... ... @@ -34,55 +34,87 @@
34 34  * Tri-color LED to indicate working status
35 35  * Datalog feature
36 36  
37 -== Specification: ==
59 +== 1.3 Specification ==
38 38  
61 +(((
39 39  **Built-in Temperature Sensor:**
63 +)))
40 40  
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
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 45  
78 +(((
46 46  **Built-in Humidity Sensor:**
80 +)))
47 47  
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
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 52  
95 +(((
53 53  **External Temperature Sensor:**
97 +)))
54 54  
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
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 59  
60 -= Connect LHT65N to IoT Server =
112 += 2. Connect LHT65N to IoT Server =
61 61  
62 -== How does LHT65N work? ==
114 +== 2.1 How does LHT65N work? ==
63 63  
116 +(((
64 64  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 +)))
65 65  
120 +(((
66 66  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 +)))
67 67  
124 +== 2.2 How to Activate LHT65N? ==
68 68  
69 -== How to Activate LHT65N? ==
70 -
71 71  The LHT65N has two working modes:
72 72  
73 73  * **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
74 74  * **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. 
75 75  
131 +(((
76 76  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
133 +)))
77 77  
78 78  [[image:image-20220515123819-1.png||height="379" width="317"]]
79 79  
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.
137 +[[image:image-20220525110604-2.png]]
84 84  
85 -== Example to join LoRaWAN network ==
139 +== 2.3 Example to join LoRaWAN network ==
86 86  
87 87  (% class="wikigeneratedid" %)
88 88  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.
... ... @@ -93,7 +93,7 @@
93 93  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:
94 94  
95 95  
96 -=== **Step 1**: Create Device n TTN ===
150 +=== 2.3.1 Step 1: Create Device n TTN ===
97 97  
98 98  Create a device in TTN V3 with the OTAA keys from LHT65N.
99 99  
... ... @@ -107,10 +107,8 @@
107 107  
108 108  [[image:image-20220522232916-3.png]]
109 109  
110 -
111 111  [[image:image-20220522232932-4.png]]
112 112  
113 -
114 114  [[image:image-20220522232954-5.png]]
115 115  
116 116  Note: LHT65N use same payload as LHT65.
... ... @@ -123,37 +123,60 @@
123 123  [[image:image-20220522233118-7.png]]
124 124  
125 125  
126 -=== Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
178 +=== 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
127 127  
128 128  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.
129 129  
130 -[[image:image-20220522233300-8.png]]
182 +[[image:image-20220522233300-8.png||height="219" width="722"]]
131 131  
132 132  
133 -== Uplink Payload: ==
185 +== 2.4 Uplink Payload ==
134 134  
135 -The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
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.
136 136  
137 -After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
189 +After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
138 138  
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 +)))
139 139  
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]]
218 +(((
219 +[[Humidity>>||anchor="H2.4.4Built-inHumidity"]]
220 +)))
221 +)))|(% style="width:47px" %)(((
222 +[[Ext>>||anchor="H2.4.5Ext23"]] #
223 +)))|(% style="width:51px" %)(((
224 +[[Ext value>>||anchor="H2.4.6Extvalue"]]
225 +)))
144 144  
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 -
152 152  * The First 6 bytes: has fix meanings for every LHT65N.
153 153  * The 7th byte (EXT #): defines the external sensor model.
154 154  * 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.)
155 155  
156 -=== Decoder in TTN V3 ===
231 +=== 2.4.1 Decoder in TTN V3 ===
157 157  
158 158  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.
159 159  
... ... @@ -161,37 +161,24 @@
161 161  
162 162  [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
163 163  
164 -[[image:image-20220522234118-10.png]]
239 +[[image:image-20220522234118-10.png||height="353" width="729"]]
165 165  
241 +=== 2.4.2 BAT-Battery Info ===
166 166  
167 -=== BAT-Battery Info ===
168 -
169 169  These two bytes of BAT include the battery state and the actually voltage
170 170  
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
245 +[[image:image-20220523152839-18.png]]
175 175  
176 -00(b): Ultra Low ( BAT <= 2.50v)
247 +[[image:image-20220522235639-1.png||height="139" width="727"]]
177 177  
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 -
187 187  Check the battery voltage for LHT65N.
188 188  
189 189  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
190 190  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
191 191  
192 -=== Built-in Temperature ===
254 +=== 2.4.3 Built-in Temperature ===
193 193  
194 -[[image:image-20220522235639-2.png]]
256 +[[image:image-20220522235639-2.png||height="138" width="722"]]
195 195  
196 196  * Temperature:  0x0ABB/100=27.47℃
197 197  
... ... @@ -199,72 +199,92 @@
199 199  
200 200  * Temperature:  (0xF5C6-65536)/100=-26.18℃
201 201  
202 -=== Built-in Humidity ===
264 +=== 2.4.4 Built-in Humidity ===
203 203  
204 -[[image:image-20220522235639-4.png]]
266 +[[image:image-20220522235639-4.png||height="138" width="722"]]
205 205  
206 206  * Humidity:    0x025C/10=60.4%
207 207  
208 -=== Ext # ===
270 +=== 2.4.5 Ext # ===
209 209  
210 210  Bytes for External Sensor:
211 211  
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
274 +[[image:image-20220523152822-17.png]]
216 216  
217 -=== Ext value ===
276 +=== 2.4.6 Ext value ===
218 218  
219 -==== Ext~=1, E3 Temperature Sensor ====
278 +==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
220 220  
221 221  [[image:image-20220522235639-5.png]]
222 222  
223 -
224 224  * DS18B20 temp=0x0ADD/100=27.81℃
225 225  
226 226  The last 2 bytes of data are meaningless
227 227  
228 -
229 -
230 230  [[image:image-20220522235639-6.png]]
231 231  
232 232  * External temperature= (0xF54F-65536)/100=-27.37℃
233 233  
290 +(((
234 234  The last 2 bytes of data are meaningless
292 +)))
235 235  
236 -
294 +(((
237 237  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 +)))
238 238  
239 239  
240 -==== Ext~=9, E3 sensor with Unix Timestamp ====
299 +==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
241 241  
242 242  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:
243 243  
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>>||anchor="H4.2SetExternalSensorMode"]]
321 +)))|(% style="width:99px" %)(((
322 +(((
323 +[[Built-In>>||anchor="H2.4.3Built-inTemperature"]]
324 +)))
244 244  
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]]
326 +(((
327 +[[Temperature>>||anchor="H2.4.3Built-inTemperature"]]
328 +)))
329 +)))|(% style="width:132px" %)(((
330 +(((
331 +BAT Status &
332 +)))
249 249  
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]]
334 +(((
335 +[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
261 261  )))
337 +)))|(% style="width:54px" %)(((
338 +Status & Ext
339 +)))|(% style="width:64px" %)(((
340 +(((
341 +[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp"]]
342 +)))
343 +)))
262 262  
263 -* **Battery status & **[[(% class="wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
345 +* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
264 264  
265 -(% style="width:587px" %)
266 -|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
267 -|Value|(% style="width:280px" %)(((
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" %)(((
268 268  BAT Status
269 269  
270 270  00(b): Ultra Low ( BAT <= 2.50v)
... ... @@ -274,8 +274,8 @@
274 274  10(b): OK   (2.55v <= BAT <=2.65v)
275 275  
276 276  11(b): Good   (BAT >= 2.65v)
277 -)))|(% style="width:136px" %)(((
278 -[[Built-in Humidity>>path:#SHT20_Humidity]]
359 +)))|(% style="width:134px" %)(((
360 +[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]
279 279  
280 280  
281 281  )))
... ... @@ -282,29 +282,27 @@
282 282  
283 283  * **Status & Ext Byte**
284 284  
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:
367 +[[image:image-20220523152434-16.png]]
289 289  
290 -0b(1001)
291 -)))
292 -
293 293  * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
294 294  * 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.
295 295  * 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)
296 296  
297 -== Show data on Datacake ==
373 +== 2.5 Show data on Datacake ==
298 298  
299 299  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:
300 300  
301 -
377 +(((
302 302  **Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
379 +)))
303 303  
381 +(((
304 304  **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 +)))
305 305  
306 -
385 +(((
307 307  Add Datacake:
387 +)))
308 308  
309 309  [[image:image-20220523000825-7.png||height="262" width="583"]]
310 310  
... ... @@ -313,21 +313,24 @@
313 313  
314 314  [[image:image-20220523000825-8.png||height="453" width="406"]]
315 315  
316 -
317 317  In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
318 318  
319 319  [[image:image-20220523000825-9.png||height="366" width="392"]]
320 320  
400 +[[image:image-20220523000825-10.png||height="413" width="728"]]
321 321  
402 +== 2.6 Datalog Feature ==
322 322  
323 -[[image:image-20220523000825-10.png||height="432" width="762"]]
404 +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.
324 324  
406 +=== 2.6.1 Ways to get datalog via LoRaWAN ===
325 325  
326 -== Datalog Feature ==
408 +There are two methods:
327 327  
328 -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.
410 +1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
411 +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.
329 329  
330 -=== Unix TimeStamp ===
413 +=== 2.6.2 Unix TimeStamp ===
331 331  
332 332  LHT65N uses Unix TimeStamp format based on
333 333  
... ... @@ -334,103 +334,215 @@
334 334  [[image:image-20220523001219-11.png||height="97" width="627"]]
335 335  
336 336  
420 +(((
337 337  User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
422 +)))
338 338  
424 +(((
339 339  Below is the converter example
426 +)))
340 340  
341 -[[image:image-20220523001219-12.png||height="353" width="853"]]
428 +[[image:image-20220523001219-12.png||height="298" width="720"]]
342 342  
343 343  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
344 344  
432 +=== 2.6.3 Set Device Time ===
345 345  
346 -=== Set Device Time ===
347 -
434 +(((
348 348  There are two ways to set device’s time:
436 +)))
349 349  
438 +(((
350 350  **~1. Through LoRaWAN MAC Command (Default settings)**
440 +)))
351 351  
442 +(((
352 352  User need to set SYNCMOD=1 to enable sync time via MAC command.
444 +)))
353 353  
446 +(((
354 354  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).
448 +)))
355 355  
450 +(((
356 356  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.
452 +)))
357 357  
454 +(((
455 +
456 +)))
358 358  
458 +(((
359 359  **2. Manually Set Time**
460 +)))
360 360  
462 +(((
361 361  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
464 +)))
362 362  
466 +=== 2.6.4 Poll sensor value ===
363 363  
364 -=== Poll sensor value ===
365 -
366 366  User can poll sensor value based on timestamps from the server. Below is the downlink command.
367 367  
470 +[[image:image-20220523152302-15.png]]
368 368  
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 -
472 +(((
374 374  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.
474 +)))
375 375  
476 +(((
477 +For example, downlink command (% style="display:none" %) (%%)**31 5FC5F350 5FC6 0160 05**
478 +)))
376 376  
377 -For example, downlink command 31 5FC5F350 5FC6 0160 05
378 -
480 +(((
379 379  Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
482 +)))
380 380  
484 +(((
381 381  Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
486 +)))
382 382  
383 383  
384 -=== Datalog Uplink payload ===
489 +=== 2.6.5 Datalog Uplink payload ===
385 385  
386 386  The Datalog poll reply uplink will use below payload format.
387 387  
493 +(((
494 +**Retrieval data payload**
495 +)))
388 388  
389 -Retrieval data payload
497 +(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
498 +|(% style="width:93px" %)(((
499 +(((
500 +**Size(bytes)**
501 +)))
502 +)))|(% style="width:71px" %)(((
503 +(((
504 +**2**
505 +)))
506 +)))|(% style="width:102px" %)(((
507 +(((
508 +**2**
509 +)))
510 +)))|(% style="width:86px" %)(((
511 +(((
512 +**2**
513 +)))
514 +)))|(% style="width:86px" %)(((
515 +(((
516 +**1**
517 +)))
518 +)))|(% style="width:48px" %)(((
519 +(((
520 +**4**
521 +)))
522 +)))
523 +|(% style="width:93px" %)(((
524 +(((
525 +**Value**
526 +)))
527 +)))|(% style="width:71px" %)(((
528 +(((
529 +[[External sensor data>>||anchor="H2.4.6Extvalue"]]
530 +)))
531 +)))|(% style="width:102px" %)(((
532 +(((
533 +(((
534 +[[Built In>>||anchor="H2.4.3Built-inTemperature"]]
535 +)))
536 +)))
390 390  
391 -|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
392 -|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
393 -[[Built-In>>path:#SHT20_Temperature]]
538 +(((
539 +(((
540 +[[Temperature>>||anchor="H2.4.3Built-inTemperature"]]
541 +)))
542 +)))
543 +)))|(% style="width:86px" %)(((
544 +(((
545 +(((
546 +[[Built-in>>||anchor="H2.4.4Built-inHumidity"]]
547 +)))
548 +)))
394 394  
395 -[[Temperature>>path:#SHT20_Temperature]]
396 -)))|(((
397 -[[Built-in>>path:#SHT20_Humidity]]
550 +(((
551 +(((
552 +[[Humidity>>||anchor="H2.4.4Built-inHumidity"]]
553 +)))
554 +)))
555 +)))|(% style="width:86px" %)(((
556 +(((
557 +Poll message flag & Ext
558 +)))
559 +)))|(% style="width:48px" %)(((
560 +(((
561 +(((
562 +[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp"]]
563 +)))
564 +)))
398 398  
399 -[[Humidity>>path:#SHT20_Humidity]]
400 -)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
401 -[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
402 -
566 +(((
567 +(((
403 403  
404 404  )))
570 +)))
571 +)))
405 405  
573 +**Poll message flag & Ext**
406 406  
407 -Poll message flag & Ext
575 +[[image:image-20220523152208-14.png]]
408 408  
577 +(((
578 +(((
579 +Poll Message Flag: 1: This message is a poll message reply.
580 +)))
581 +)))
409 409  
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)
583 +* (((
584 +(((
585 +Poll Message Flag is set to 1.
415 415  )))
587 +)))
588 +* (((
589 +(((
590 +Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
591 +)))
592 +)))
416 416  
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 -
594 +(((
595 +(((
423 423  For example, in US915 band, the max payload for different DR is:
597 +)))
598 +)))
424 424  
425 -a)      DR0: max is 11 bytes so one entry of data
600 +(((
601 +(((
602 +a) DR0: max is 11 bytes so one entry of data
603 +)))
604 +)))
426 426  
427 -b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
606 +(((
607 +(((
608 +b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
609 +)))
610 +)))
428 428  
429 -c)      DR2: total payload includes 11 entries of data
612 +(((
613 +(((
614 +c) DR2: total payload includes 11 entries of data
615 +)))
616 +)))
430 430  
431 -d)      DR3: total payload includes 22 entries of data.
618 +(((
619 +(((
620 +d) DR3: total payload includes 22 entries of data.
621 +)))
622 +)))
432 432  
624 +(((
625 +(((
433 433  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
627 +)))
628 +)))
434 434  
435 435  
436 436  **Example:**
... ... @@ -437,37 +437,29 @@
437 437  
438 438  If LHT65N has below data inside Flash:
439 439  
440 -Flash Addr   |Unix Time | Ext | BAT voltage|  Value                  
635 +[[image:image-20220523144455-1.png||height="335" width="735"]]
441 441  
442 -80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
637 +(((
638 +If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
639 +)))
443 443  
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 -
641 +(((
463 463   Where : Start time: 60065F97 = time 21/1/19 04:27:03
643 +)))
464 464  
645 +(((
465 465   Stop time 60066DA7= time 21/1/19 05:27:03
647 +)))
466 466  
649 +(((
650 +
651 +)))
467 467  
653 +(((
468 468  LHT65N will uplink this payload.
655 +)))
469 469  
470 -[[image:image-20220523001219-13.png]]
657 +[[image:image-20220523001219-13.png||height="421" width="727"]]
471 471  
472 472  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
473 473  
... ... @@ -486,48 +486,66 @@
486 486  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
487 487  
488 488  
489 -== Alarm Mode ==
676 +== 2.7 Alarm Mode ==
490 490  
491 491  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.
492 492  
680 +(((
681 +(% 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.
682 +)))
493 493  
494 -Note: Alarm mode will increase a little big the power consumption, we recommend extending the normal reading time when enabling this feature.
684 +**AT Commands for Alarm mode:**
495 495  
496 -
497 -AT Commands for Alarm mode:
498 -
686 +(% class="box infomessage" %)
687 +(((
499 499  **AT+WMOD=1**: Enable/Disable Alarm Mode. (0:Disable, 1: Enable)
689 +(% class="box infomessage" %)**AT**(%%)**+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
500 500  
501 -**AT+CITEMP=1**: The interval to check the temperature for Alarm. (Unit: minute)
691 +(% class="box infomessage" %)**AT+ARTEMP:**(%%) Get or set the internal Temperature sensor alarm range
502 502  
693 +AT
694 +)))
503 503  
696 +(% class="wikigeneratedid" %)
697 +== ==
504 504  
505 -== LED Indicator ==
699 +== 2.8 LED Indicator ==
506 506  
701 +(((
507 507  The LHT65N has a triple color LED which for easy shows different stage.
703 +)))
508 508  
705 +(((
509 509  While pressing ACT button, the LED will work as per LED status with ACT button.
707 +)))
510 510  
709 +(((
511 511  In a normal working state:
711 +)))
512 512  
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
713 +* (((
714 +For each uplink, the BLUE LED or RED LED will blink once.
715 +)))
716 +* (((
717 +BLUE LED when an external sensor is connected
718 +)))
719 +* (((
720 +RED LED when an external sensor is not connected
721 +)))
722 +* (((
723 +For each success downlink, the PURPLE LED will blink once
724 +)))
517 517  
518 518  ----
519 519  
520 -== Installation ==
728 +== 2.9 Installation ==
521 521  
522 -[[image:image-20220516231650-1.png||height="632" width="620"]]
730 +[[image:image-20220516231650-1.png||height="436" width="428"]]
523 523  
732 += 3. Sensors & Accessories =
524 524  
734 +== 3.1 E3 Temperature Probe ==
525 525  
526 -
527 -= Sensors & Accessories =
528 -
529 -== E3 Temperature Probe ==
530 -
531 531  [[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
532 532  
533 533  
... ... @@ -539,72 +539,388 @@
539 539  * Operating Range: -40 ~~ 125 °C
540 540  * -55°C to 125°C
541 541  * Working voltage 2.35v ~~ 5v
542 -
543 543  
544 -= Battery & How to replace =
748 += 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
545 545  
546 -== Battery Type ==
750 +(((
751 +Use can configure LHT65N via AT Command or LoRaWAN Downlink.
752 +)))
547 547  
754 +* (((
755 +AT Command Connection: See [[FAQ>>path:#AT_COMMAND]].
756 +)))
757 +* (((
758 +LoRaWAN Downlink instruction for different platforms:
759 +)))
760 +
761 +(((
762 +[[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]]
763 +)))
764 +
765 +(((
766 +There are two kinds of commands to configure LHT65N, they are:
767 +)))
768 +
769 +(((
770 +(% style="color:#4f81bd" %)* **General Commands**.
771 +)))
772 +
773 +(((
774 +These commands are to configure:
775 +)))
776 +
777 +* (((
778 +General system settings like: uplink interval.
779 +)))
780 +* (((
781 +LoRaWAN protocol & radio-related commands.
782 +)))
783 +
784 +(((
785 +They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki:
786 +)))
787 +
788 +(((
789 +[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
790 +)))
791 +
792 +(((
793 +(% style="color:#4f81bd" %)* **Commands special design for LHT65N**
794 +)))
795 +
796 +(((
797 +These commands are only valid for LHT65N, as below:
798 +)))
799 +
800 +== 4.1 Set Transmit Interval Time ==
801 +
802 +Feature: Change LoRaWAN End Node Transmit Interval.
803 +
804 +**AT Command: AT+TDC**
805 +
806 +[[image:image-20220523150701-2.png]]
807 +
808 +(((
809 +**Downlink Command: 0x01**
810 +)))
811 +
812 +(((
813 +Format: Command Code (0x01) followed by 3 bytes time value.
814 +)))
815 +
816 +(((
817 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
818 +)))
819 +
820 +* (((
821 +**Example 1**: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
822 +)))
823 +* (((
824 +**Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
825 +)))
826 +
827 +== 4.2 Set External Sensor Mode ==
828 +
829 +Feature: Change External Sensor Mode.
830 +
831 +**AT Command: AT+EXT**
832 +
833 +[[image:image-20220523150759-3.png]]
834 +
835 +(((
836 +**Downlink Command: 0xA2**
837 +)))
838 +
839 +(((
840 +Total bytes: 2 ~~ 5 bytes
841 +)))
842 +
843 +(((
844 +**Example:**
845 +)))
846 +
847 +* (((
848 +0xA201: Set external sensor type to E1
849 +)))
850 +* (((
851 +0xA209: Same as AT+EXT=9
852 +)))
853 +* (((
854 +0xA20702003c,Same as AT+SETCNT=60
855 +)))
856 +
857 +== 4.3 Enable/Disable uplink Temperature probe ID ==
858 +
859 +Feature: If PID is enabled, device will send the temperature probe ID on:
860 +
861 +* First Packet after OTAA Join
862 +* Every 24 hours since the first packet.
863 +
864 +PID is default set to disable (0)
865 +
866 +**AT Command:**
867 +
868 +[[image:image-20220523150928-4.png]]
869 +
870 +**Downlink Command:**
871 +
872 +* 0xA800  **~-~->** AT+PID=0
873 +* 0xA801     **~-~->** AT+PID=1
874 +
875 +== 4.4 Set Password ==
876 +
877 +Feature: Set device password, max 9 digits
878 +
879 +**AT Command: AT+PWORD**
880 +
881 +[[image:image-20220523151052-5.png]]
882 +
883 +(((
884 +**Downlink Command:**
885 +)))
886 +
887 +(((
888 +No downlink command for this feature.
889 +)))
890 +
891 +== 4.5 Quit AT Command ==
892 +
893 +Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
894 +
895 +**AT Command: AT+DISAT**
896 +
897 +[[image:image-20220523151132-6.png]]
898 +
899 +**Downlink Command:**
900 +
901 +No downlink command for this feature.
902 +
903 +== 4.6 Set to sleep mode ==
904 +
905 +Feature: Set device to sleep mode
906 +
907 +**AT Command: AT+SLEEP**
908 +
909 +[[image:image-20220523151218-7.png]]
910 +
911 +**Downlink Command:**
912 +
913 +* There is no downlink command to set to Sleep mode.
914 +
915 +== 4.7 Set system time ==
916 +
917 +Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
918 +
919 +**AT Command:**
920 +
921 +[[image:image-20220523151253-8.png]]
922 +
923 +**Downlink Command:**
924 +
925 +0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
926 +
927 +== 4.8 Set Time Sync Mode ==
928 +
929 +(((
930 +Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
931 +)))
932 +
933 +(((
934 +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.
935 +)))
936 +
937 +(((
938 +**AT Command:**
939 +)))
940 +
941 +[[image:image-20220523151336-9.png]]
942 +
943 +**Downlink Command:**
944 +
945 +0x28 01 ~/~/ Same As AT+SYNCMOD=1
946 +
947 +0x28 00 ~/~/ Same As AT+SYNCMOD=0
948 +
949 +== 4.9 Set Time Sync Interval ==
950 +
951 +Feature: Define System time sync interval. SYNCTDC default value: 10 days.
952 +
953 +**AT Command:**
954 +
955 +[[image:image-20220523151411-10.png]]
956 +
957 +**Downlink Command:**
958 +
959 +0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
960 +
961 +== 4.10 Print data entries base on page. ==
962 +
963 +Feature: Print the sector data from start page to stop page (max is 416 pages).
964 +
965 +**AT Command: AT+PDTA**
966 +
967 +[[image:image-20220523151450-11.png]]
968 +
969 +**Downlink Command:**
970 +
971 +No downlink commands for feature
972 +
973 +== 4.11 Print last few data entries. ==
974 +
975 +Feature: Print the last few data entries
976 +
977 +**AT Command: AT+PLDTA**
978 +
979 +[[image:image-20220523151524-12.png]]
980 +
981 +**Downlink Command:**
982 +
983 +No downlink commands for feature
984 +
985 +== 4.12 Clear Flash Record ==
986 +
987 +Feature: Clear flash storage for data log feature.
988 +
989 +**AT Command: AT+CLRDTA**
990 +
991 +[[image:image-20220523151556-13.png]]
992 +
993 +**Downlink Command: 0xA3**
994 +
995 +* Example: 0xA301 ~/~/Same as AT+CLRDTA
996 +
997 +== 4.13 Auto Send None-ACK messages ==
998 +
999 +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.
1000 +
1001 +
1002 +**AT Command: AT+PNACKMD**
1003 +
1004 +The default factory setting is 0
1005 +
1006 +(% border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1007 +|=(% style="width: 171px;" %)**Command Example**|=(% style="width: 219px;" %)**Function**|=(% style="width: 119px;" %)**Response**
1008 +|(% style="width:171px" %)AT+PNACKMD=1|(% style="width:219px" %)Poll None-ACK message|(% style="width:119px" %)OK
1009 +
1010 +**Downlink Command: 0x34**
1011 +
1012 +* Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1013 +
1014 += 5. Battery & How to replace =
1015 +
1016 +== 5.1 Battery Type ==
1017 +
548 548  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.
549 549  
1020 +(((
550 550  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
551 551  [[image:image-20220515075034-1.png||height="208" width="644"]]
1023 +)))
552 552  
553 -
1025 +(((
554 554  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
555 555  
1028 +)))
556 556  
557 -== Replace Battery ==
1030 +== 5.2 Replace Battery ==
558 558  
559 559  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.
560 560  
561 561  [[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
562 562  
1036 +== 5.3 Battery Life Analyze ==
563 563  
564 -== Battery Life Analyze ==
565 -
1038 +(((
566 566  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:
567 567  https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
1041 +)))
568 568  
1043 += 6. Order Info =
569 569  
570 -= Order Info =
1045 +(((
1046 +Part Number: (% style="color:#4f81bd" %)** LHT65N-XX-YY**
1047 +)))
571 571  
572 -Part Number: (% class="mark" %)**LHT65N-XX**
1049 +(((
1050 +(% style="color:#4f81bd" %)**XX **(%%): The default frequency band
1051 +)))
573 573  
574 -**XX**: The default frequency band
1053 +* (((
1054 +(% style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
1055 +)))
1056 +* (((
1057 +(% style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
1058 +)))
1059 +* (((
1060 +(% style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
1061 +)))
1062 +* (((
1063 +(% style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
1064 +)))
1065 +* (((
1066 +(% style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
1067 +)))
1068 +* (((
1069 +(% style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
1070 +)))
1071 +* (((
1072 +(% style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
1073 +)))
1074 +* (((
1075 +(% style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
1076 +)))
575 575  
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
1078 +(((
1079 +(% style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
1080 +)))
584 584  
585 -**YY**: Sensor Accessories
1082 +* (((
1083 +(% style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
1084 +)))
586 586  
587 -* **E3**: External Temperature Probe
1086 += 7. Packing Info =
588 588  
589 -= Packing Info =
590 -
1088 +(((
591 591  **Package Includes**:
1090 +)))
592 592  
593 -* LHT65N Temperature & Humidity Sensor x 1
594 -* Program cable x 1
595 -* Optional external sensor
1092 +* (((
1093 +LHT65N Temperature & Humidity Sensor x 1
1094 +)))
1095 +* (((
1096 +Program cable x 1
1097 +)))
1098 +* (((
1099 +Optional external sensor
1100 +)))
596 596  
1102 +(((
597 597  **Dimension and weight**:
1104 +)))
598 598  
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
1106 +* (((
1107 +Device Size:  13.5 x 7 x 3 cm
1108 +)))
1109 +* (((
1110 +Device Weight: 105g
1111 +)))
1112 +* (((
1113 +Package Size / pcs : 14.5 x 8 x 5 cm
1114 +)))
1115 +* (((
1116 +Weight / pcs : 170g
1117 +)))
603 603  
604 -= FCC Warning =
1119 += 8. FCC Warning =
605 605  
1121 +(((
606 606  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1123 +)))
607 607  
608 -(1) This device may not cause harmful interference, and
1125 +(((
1126 +(1) This device may not cause harmful interference；
1127 +)))
609 609  
610 -(2) this device must accept any interference received, including interference that may cause undesired operation
1129 +(((
1130 +(2) this device must accept any interference received, including interference that may cause undesired operation.
1131 +)))
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