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From version < 57.7 >
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on 2022/05/23 14:05
To version < 55.1 >
edited by Xiaoling
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Summary

Details

Page properties
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 -**Table of Contents：**
10 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
11 11  {{toc/}}
3 +{{/box}}
12 12  
5 +(% class="wikigeneratedid" %)
6 += =
13 13  
14 -
8 +(% class="wikigeneratedid" %)
15 15  = 1.Introduction =
16 16  
17 -== 1.1 What is LHT65N Temperature & Humidity Sensor ==
11 +== 1.1 Overview ==
18 18  
19 -(((
20 -The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% style="color:#4f81bd" %)**Temperature Sensor**(%%)**.**
21 -)))
13 +[[image:LHT65N_10.png||alt="LHT65_Image" height="265" width="265"]]
22 22  
23 -(((
15 +
16 +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 +
24 24  The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
25 -)))
26 26  
27 -(((
28 28  LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
29 -)))
30 30  
31 -(((
32 32  LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
33 -)))
34 34  
35 -(((
36 -LHT65N supports (% style="color:#4f81bd" %)**Datalog Feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
37 -)))
24 +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.
38 38  
39 -(((
40 40  *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
41 -)))
42 42  
43 -== 1.2 Features ==
44 44  
29 +== Features: ==
30 +
45 45  * Wall mountable
46 46  * LoRaWAN v1.0.3 Class A protocol
47 47  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
... ... @@ -54,91 +54,55 @@
54 54  * Tri-color LED to indicate working status
55 55  * Datalog feature
56 56  
57 -== 1.3 Specification ==
43 +== Specification: ==
58 58  
59 -(((
60 60  **Built-in Temperature Sensor:**
61 -)))
62 62  
63 -* (((
64 -Resolution: 0.01 °C
65 -)))
66 -* (((
67 -Accuracy Tolerance : Typ ±0.3 °C
68 -)))
69 -* (((
70 -Long Term Drift: < 0.02 °C/yr
71 -)))
72 -* (((
73 -Operating Range: -40 ~~ 85 °C
74 -)))
47 +* Resolution: 0.01 °C
48 +* Accuracy Tolerance : Typ ±0.3 °C
49 +* Long Term Drift: < 0.02 °C/yr
50 +* Operating Range: -40 ~~ 85 °C
75 75  
76 -(((
77 77  **Built-in Humidity Sensor:**
78 -)))
79 79  
80 -* (((
81 -Resolution: 0.04 %RH
82 -)))
83 -* (((
84 -Accuracy Tolerance : Typ ±3 %RH
85 -)))
86 -* (((
87 -Long Term Drift: < 0.02 °C/yr
88 -)))
89 -* (((
90 -Operating Range: 0 ~~ 96 %RH
91 -)))
54 +* Resolution: 0.04 %RH
55 +* Accuracy Tolerance : Typ ±3 %RH
56 +* Long Term Drift: < 0.02 °C/yr
57 +* Operating Range: 0 ~~ 96 %RH
92 92  
93 -(((
94 94  **External Temperature Sensor:**
95 -)))
96 96  
97 -* (((
98 -Resolution: 0.0625 °C
99 -)))
100 -* (((
101 -±0.5°C accuracy from -10°C to +85°C
102 -)))
103 -* (((
104 -±2°C accuracy from -55°C to +125°C
105 -)))
106 -* (((
107 -Operating Range: -55 °C ~~ 125 °C
108 -)))
61 +* Resolution: 0.0625 °C
62 +* ±0.5°C accuracy from -10°C to +85°C
63 +* ±2°C accuracy from -55°C to +125°C
64 +* Operating Range: -55 °C ~~ 125 °C
109 109  
110 -= 2. Connect LHT65N to IoT Server =
66 += Connect LHT65N to IoT Server =
111 111  
112 -== 2.1 How does LHT65N work? ==
68 +== How does LHT65N work? ==
113 113  
114 -(((
115 115  LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
116 -)))
117 117  
118 -(((
119 119  If LHT65N is under the coverage of this LoRaWAN network. LHT65N can join the LoRaWAN network automatically. After successfully joining, LHT65N will start to measure environment temperature and humidity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
120 -)))
121 121  
122 -== 2.2 How to Activate LHT65N? ==
123 123  
75 +== How to Activate LHT65N? ==
76 +
124 124  The LHT65N has two working modes:
125 125  
126 126  * **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
127 127  * **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. 
128 128  
129 -(((
130 130  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
131 -)))
132 132  
133 133  [[image:image-20220515123819-1.png||height="379" width="317"]]
134 134  
135 -(% border="1" style="background-color:#ffffcc; color:green; width:739px" %)
136 -|**Behavior on ACT**|**Function**|(% style="width:424px" %)**Action**
137 -|**Pressing ACT between 1s < time < 3s**|Test uplink status|(% style="width:424px" %)If LHT65N is already Joined to the LoRaWAN network, LHT65N will send an uplink packet, if LHT65N has an external sensor connected, blue led will blink once. If LHT65N has no external sensor, red led will blink once.
138 -|**Pressing ACT for more than 3s**|Active Device|(% style="width:424px" %)green led will fast blink 5 times, LHT65N will enter working mode and start to JOIN LoRaWAN network. green led will solid turn on for 5 seconds after join in network.
139 -|**Fast press ACT 5 times**|Deactivate Device|(% style="width:424px" %)red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
86 +|**Behavior on ACT**|**Function**|**Action**
87 +|**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.
88 +|**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.
89 +|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
140 140  
141 -== 2.3 Example to join LoRaWAN network ==
91 +== Example to join LoRaWAN network ==
142 142  
143 143  (% class="wikigeneratedid" %)
144 144  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.
... ... @@ -149,7 +149,7 @@
149 149  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:
150 150  
151 151  
152 -=== 2.3.1 Step 1: Create Device n TTN ===
102 +=== **Step 1**: Create Device n TTN ===
153 153  
154 154  Create a device in TTN V3 with the OTAA keys from LHT65N.
155 155  
... ... @@ -163,8 +163,10 @@
163 163  
164 164  [[image:image-20220522232916-3.png]]
165 165  
116 +
166 166  [[image:image-20220522232932-4.png]]
167 167  
119 +
168 168  [[image:image-20220522232954-5.png]]
169 169  
170 170  Note: LHT65N use same payload as LHT65.
... ... @@ -177,33 +177,37 @@
177 177  [[image:image-20220522233118-7.png]]
178 178  
179 179  
180 -=== 2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
132 +=== Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds. ===
181 181  
182 182  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.
183 183  
184 -[[image:image-20220522233300-8.png||height="219" width="722"]]
136 +[[image:image-20220522233300-8.png]]
185 185  
186 186  
187 -== 2.4 Uplink Payload ==
139 +== Uplink Payload: ==
188 188  
189 -The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
141 +The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
190 190  
191 -After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
143 +After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
192 192  
193 193  
194 -(% border="1" style="background-color:#ffffcc; color:green; width:605px" %)
195 -|(% style="width:106px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:183px" %)**2**|(% style="width:155.172px" %)**2**|(% style="width:49px" %)**1**|(% style="width:92px" %)**4**
196 -|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[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]]|(% style="width:183px" %)(((
197 -[[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]]
198 -)))|(% style="width:155.172px" %)(((
199 -[[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]]
200 -)))|(% style="width:49px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:92px" %)[[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]]
146 +(% style="width:572px" %)
147 +|(% 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**
148 +|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
149 +[[Built-In>>path:#SHT20_Temperature]]
201 201  
151 +[[Temperature>>path:#SHT20_Temperature]]
152 +)))|(% style="width:103px" %)(((
153 +[[Built-in>>path:#SHT20_Humidity]]
154 +
155 +[[Humidity>>path:#SHT20_Humidity]]
156 +)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
157 +
202 202  * The First 6 bytes: has fix meanings for every LHT65N.
203 203  * The 7th byte (EXT #): defines the external sensor model.
204 204  * 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.)
205 205  
206 -=== 2.4.1 Decoder in TTN V3 ===
162 +=== Decoder in TTN V3 ===
207 207  
208 208  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.
209 209  
... ... @@ -211,15 +211,16 @@
211 211  
212 212  [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
213 213  
214 -[[image:image-20220522234118-10.png||height="353" width="729"]]
170 +[[image:image-20220522234118-10.png]]
215 215  
216 -=== 2.4.2 BAT-Battery Info ===
217 217  
173 +=== BAT-Battery Info ===
174 +
218 218  These two bytes of BAT include the battery state and the actually voltage
219 219  
220 -(% border="1" style="background-color:#ffffcc; color:green; width:508px" %)
221 -|(% style="width:75px" %)Bit(bit)|(% style="width:268px" %)[15:14]|(% style="width:162px" %)[13:0]
222 -|(% style="width:75px" %)Value|(% style="width:268px" %)(((
177 +(% style="width:646px" %)
178 +|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
179 +|Value|(% style="width:272px" %)(((
223 223  BAT Status
224 224  
225 225  00(b): Ultra Low ( BAT <= 2.50v)
... ... @@ -229,9 +229,9 @@
229 229  10(b): OK   (2.55v <= BAT <=2.65v)
230 230  
231 231  11(b): Good   (BAT >= 2.65v)
232 -)))|(% style="width:162px" %)Actually BAT voltage
189 +)))|(% style="width:214px" %)Actually BAT voltage
233 233  
234 -[[image:image-20220522235639-1.png||height="139" width="727"]]
191 +[[image:image-20220522235639-1.png]]
235 235  
236 236  Check the battery voltage for LHT65N.
237 237  
... ... @@ -238,9 +238,9 @@
238 238  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
239 239  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
240 240  
241 -=== 2.4.3 Built-in Temperature ===
198 +=== Built-in Temperature ===
242 242  
243 -[[image:image-20220522235639-2.png||height="138" width="722"]]
200 +[[image:image-20220522235639-2.png]]
244 244  
245 245  * Temperature:  0x0ABB/100=27.47℃
246 246  
... ... @@ -248,69 +248,70 @@
248 248  
249 249  * Temperature:  (0xF5C6-65536)/100=-26.18℃
250 250  
251 -=== 2.4.4 Built-in Humidity ===
208 +=== Built-in Humidity ===
252 252  
253 -[[image:image-20220522235639-4.png||height="138" width="722"]]
210 +[[image:image-20220522235639-4.png]]
254 254  
255 255  * Humidity:    0x025C/10=60.4%
256 256  
257 -=== 2.4.5 Ext # ===
214 +=== Ext # ===
258 258  
259 259  Bytes for External Sensor:
260 260  
261 -(% border="1" style="background-color:#ffffcc; color:green; width:473px" %)
262 -|(% style="width:139px" %)**EXT # Value**|(% style="width:331px" %)**External Sensor Type**
263 -|(% style="width:139px" %)0x01|(% style="width:331px" %)Sensor E3, Temperature Sensor
264 -|(% style="width:139px" %)0x09|(% style="width:331px" %)Sensor E3, Temperature Sensor, Datalog Mod
218 +(% style="width:624px" %)
219 +|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
220 +|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
221 +|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
265 265  
266 -=== 2.4.6 Ext value ===
223 +=== Ext value ===
267 267  
268 -==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
225 +==== Ext~=1, E3 Temperature Sensor ====
269 269  
270 270  [[image:image-20220522235639-5.png]]
271 271  
229 +
272 272  * DS18B20 temp=0x0ADD/100=27.81℃
273 273  
274 274  The last 2 bytes of data are meaningless
275 275  
234 +
235 +
276 276  [[image:image-20220522235639-6.png]]
277 277  
278 278  * External temperature= (0xF54F-65536)/100=-27.37℃
279 279  
280 -(((
281 281  The last 2 bytes of data are meaningless
282 -)))
283 283  
284 -(((
242 +
285 285  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
286 -)))
287 287  
288 288  
289 -==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
246 +==== Ext~=9, E3 sensor with Unix Timestamp ====
290 290  
291 291  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:
292 292  
293 -(% border="1" style="background-color:#ffffcc; color:green; width:533px" %)
294 -|(% style="width:96px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:69px" %)**2**|(% style="width:88px" %)**2**|(% style="width:69px" %)**1**|(% style="width:75px" %)**4**
295 -|(% style="width:96px" %)**Value**|(% style="width:71px" %)[[External temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.2SetExternalSensorMode]]|(% style="width:69px" %)(((
296 -[[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]]
297 297  
298 -[[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]]
299 -)))|(% style="width:88px" %)(((
300 -BAT Status &
251 +(% style="width:697px" %)
252 +|(% 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**
253 +|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
254 +[[Built-In>>path:#SHT20_Temperature]]
301 301  
302 -[[Built-in>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
256 +[[Temperature>>path:#SHT20_Temperature]]
257 +)))|(% style="width:106px" %)(((
258 +[[BAT Status &>>path:#BAT_Humidity]]
303 303  
304 -[[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]]
305 -)))|(% style="width:69px" %)Status & Ext|(% style="width:75px" %)(((
306 -[[Unix>>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]]
260 +[[Built-in>>path:#BAT_Humidity]]
307 307  
308 -[[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]]
262 +[[Humidity>>path:#BAT_Humidity]]
263 +)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
264 +[[Unix>>path:#Unix_Time_Stamp]]
265 +
266 +[[Time Stamp>>path:#Unix_Time_Stamp]]
309 309  )))
310 310  
311 -* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
269 +* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
312 312  
313 -(% border="1" style="background-color:#ffffcc; color:green; width:587px" %)
271 +(% style="width:587px" %)
314 314  |Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
315 315  |Value|(% style="width:280px" %)(((
316 316  BAT Status
... ... @@ -323,7 +323,7 @@
323 323  
324 324  11(b): Good   (BAT >= 2.65v)
325 325  )))|(% style="width:136px" %)(((
326 -[[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]]
284 +[[Built-in Humidity>>path:#SHT20_Humidity]]
327 327  
328 328  
329 329  )))
... ... @@ -330,10 +330,12 @@
330 330  
331 331  * **Status & Ext Byte**
332 332  
333 -(% border="1" style="background-color:#ffffcc; color:green; width:732px" %)
291 +(% style="width:732px" %)
334 334  |(% 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]**
335 335  |(% 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" %)(((
336 -Ext:0b(1001)
294 +Ext:
295 +
296 +0b(1001)
337 337  )))
338 338  
339 339  * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
... ... @@ -340,21 +340,17 @@
340 340  * 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.
341 341  * 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)
342 342  
343 -== 2.5 Show data on Datacake ==
303 +== Show data on Datacake ==
344 344  
345 345  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:
346 346  
347 -(((
307 +
348 348  **Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
349 -)))
350 350  
351 -(((
352 352  **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.
353 -)))
354 354  
355 -(((
312 +
356 356  Add Datacake:
357 -)))
358 358  
359 359  [[image:image-20220523000825-7.png||height="262" width="583"]]
360 360  
... ... @@ -363,17 +363,21 @@
363 363  
364 364  [[image:image-20220523000825-8.png||height="453" width="406"]]
365 365  
322 +
366 366  In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
367 367  
368 368  [[image:image-20220523000825-9.png||height="366" width="392"]]
369 369  
327 +
328 +
370 370  [[image:image-20220523000825-10.png||height="432" width="762"]]
371 371  
372 -== 2.6 Datalog Feature ==
373 373  
332 +== Datalog Feature ==
333 +
374 374  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.
375 375  
376 -=== 2.6.1 Unix TimeStamp ===
336 +=== Unix TimeStamp ===
377 377  
378 378  LHT65N uses Unix TimeStamp format based on
379 379  
... ... @@ -380,20 +380,16 @@
380 380  [[image:image-20220523001219-11.png||height="97" width="627"]]
381 381  
382 382  
383 -(((
384 384  User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
385 -)))
386 386  
387 -(((
388 388  Below is the converter example
389 -)))
390 390  
391 -[[image:image-20220523001219-12.png||height="302" width="730"]]
347 +[[image:image-20220523001219-12.png||height="353" width="853"]]
392 392  
393 393  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
394 394  
395 395  
396 -=== 2.6.2 Set Device Time ===
352 +=== Set Device Time ===
397 397  
398 398  There are two ways to set device’s time:
399 399  
... ... @@ -411,12 +411,12 @@
411 411  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
412 412  
413 413  
414 -=== 2.6.3 Poll sensor value ===
370 +=== Poll sensor value ===
415 415  
416 416  User can poll sensor value based on timestamps from the server. Below is the downlink command.
417 417  
418 418  
419 -(% border="1" style="width:454px" %)
375 +(% style="width:454px" %)
420 420  |(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
421 421  |(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
422 422  
... ... @@ -430,7 +430,7 @@
430 430  Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
431 431  
432 432  
433 -=== 2.6.4 Datalog Uplink payload ===
389 +=== Datalog Uplink payload ===
434 434  
435 435  The Datalog poll reply uplink will use below payload format.
436 436  
... ... @@ -437,7 +437,6 @@
437 437  
438 438  Retrieval data payload
439 439  
440 -(% border="1" %)
441 441  |**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
442 442  |**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
443 443  [[Built-In>>path:#SHT20_Temperature]]
... ... @@ -456,7 +456,6 @@
456 456  Poll message flag & Ext
457 457  
458 458  
459 -(% border="1" %)
460 460  |**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
461 461  |**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
462 462  Ext:
... ... @@ -516,7 +516,7 @@
516 516  
517 517  LHT65N will uplink this payload.
518 518  
519 -[[image:image-20220523001219-13.png||height="421" width="727"]]
473 +[[image:image-20220523001219-13.png]]
520 520  
521 521  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
522 522  
... ... @@ -535,7 +535,7 @@
535 535  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
536 536  
537 537  
538 -== 2.7 Alarm Mode ==
492 +== Alarm Mode ==
539 539  
540 540  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.
541 541  
... ... @@ -551,7 +551,7 @@
551 551  
552 552  
553 553  
554 -== 2.8 LED Indicator ==
508 +== LED Indicator ==
555 555  
556 556  The LHT65N has a triple color LED which for easy shows different stage.
557 557  
... ... @@ -566,14 +566,17 @@
566 566  
567 567  ----
568 568  
569 -== 2.9 Installation ==
523 +== Installation ==
570 570  
571 571  [[image:image-20220516231650-1.png||height="436" width="428"]]
572 572  
573 -= 3. Sensors & Accessories =
574 574  
575 -== 3.1 E3 Temperature Probe ==
576 576  
529 +
530 += Sensors & Accessories =
531 +
532 +== E3 Temperature Probe ==
533 +
577 577  [[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
578 578  
579 579  
... ... @@ -586,7 +586,7 @@
586 586  * -55°C to 125°C
587 587  * Working voltage 2.35v ~~ 5v
588 588  
589 -= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
546 += Configure LHT65N via AT Command or LoRaWAN Downlink =
590 590  
591 591  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
592 592  
... ... @@ -595,6 +595,7 @@
595 595  
596 596  [[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]]
597 597  
555 +
598 598  There are two kinds of commands to configure LHT65N, they are:
599 599  
600 600  * **General Commands**.
... ... @@ -608,17 +608,19 @@
608 608  
609 609  [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
610 610  
569 +
570 +
611 611  * **Commands special design for LHT65N**
612 612  
613 613  These commands are only valid for LHT65N, as below:
614 614  
615 -== 4.1 Set Transmit Interval Time ==
616 616  
576 +== Set Transmit Interval Time ==
577 +
617 617  Feature: Change LoRaWAN End Node Transmit Interval.
618 618  
619 619  **AT Command: AT+TDC**
620 620  
621 -(% border="1" %)
622 622  |**Command Example**|**Function**|**Response**
623 623  |AT+TDC?|Show current transmit Interval|(((
624 624  30000
... ... @@ -642,13 +642,12 @@
642 642  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
643 643  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
644 644  
645 -== 4.2 Set External Sensor Mode ==
605 +== Set External Sensor Mode ==
646 646  
647 647  Feature: Change External Sensor Mode.
648 648  
649 649  **AT Command: AT+EXT**
650 650  
651 -(% border="1" %)
652 652  |**Command Example**|**Function**|**Response**
653 653  |AT+EXT?|Get current external sensor mode|(((
654 654  1
... ... @@ -670,7 +670,7 @@
670 670  * 0xA209: Same as AT+EXT=9
671 671  * 0xA20702003c,Same as AT+SETCNT=60
672 672  
673 -== 4.3 Enable/Disable uplink Temperature probe ID ==
632 +== Enable/Disable uplink Temperature probe ID ==
674 674  
675 675  Feature: If PID is enabled, device will send the temperature probe ID on:
676 676  
... ... @@ -682,7 +682,6 @@
682 682  
683 683  **AT Command:**
684 684  
685 -(% border="1" %)
686 686  |**Command Example**|**Function**|**Response**
687 687  |AT+PID=1|Enable PID uplink|OK
688 688  
... ... @@ -691,13 +691,13 @@
691 691  * 0xA800     à AT+PID=0
692 692  * 0xA801     à AT+PID=1
693 693  
694 -== 4.4 Set Password ==
695 695  
653 +== Set Password ==
654 +
696 696  Feature: Set device password, max 9 digits
697 697  
698 698  **AT Command: AT+PWORD**
699 699  
700 -(% border="1" %)
701 701  |**Command Example**|**Function**|**Response**
702 702  |AT+PWORD=?|Show password|(((
703 703  123456
... ... @@ -711,13 +711,13 @@
711 711  
712 712  No downlink command for this feature.
713 713  
714 -== 4.5 Quit AT Command ==
715 715  
673 +== Quit AT Command ==
674 +
716 716  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
717 717  
718 718  **AT Command: AT+DISAT**
719 719  
720 -(% border="1" %)
721 721  |**Command Example**|**Function**|**Response**
722 722  |AT+DISAT|Quit AT Commands mode|OK
723 723  
... ... @@ -726,13 +726,12 @@
726 726  No downlink command for this feature.
727 727  
728 728  
729 -== 4.6 Set to sleep mode ==
687 +== Set to sleep mode ==
730 730  
731 731  Feature: Set device to sleep mode
732 732  
733 733  **AT Command: AT+SLEEP**
734 734  
735 -(% border="1" %)
736 736  | | |
737 737  |**Command Example**|**Function**|**Response**
738 738  |AT+SLEEP|Set to sleep mode|(((
... ... @@ -745,13 +745,13 @@
745 745  
746 746  * There is no downlink command to set to Sleep mode.
747 747  
748 -== 4.7 Set system time ==
749 749  
706 +== Set system time ==
707 +
750 750  Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
751 751  
752 752  **AT Command:**
753 753  
754 -(% border="1" %)
755 755  |**Command Example**|**Function**
756 756  |AT+TIMESTAMP=1611104352|(((
757 757  OK
... ... @@ -763,10 +763,12 @@
763 763  
764 764  0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
765 765  
766 -== 4.8 Set Time Sync Mode ==
767 767  
724 +== Set Time Sync Mode ==
725 +
768 768  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
769 769  
728 +
770 770  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.
771 771  
772 772  
... ... @@ -781,13 +781,13 @@
781 781  
782 782  0x28 00 ~/~/ Same As AT+SYNCMOD=0
783 783  
784 -== 4.9 Set Time Sync Interval ==
785 785  
744 +== Set Time Sync Interval ==
745 +
786 786  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
787 787  
788 788  **AT Command:**
789 789  
790 -(% border="1" %)
791 791  |**Command Example**|**Function**
792 792  |AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
793 793  
... ... @@ -795,13 +795,13 @@
795 795  
796 796  0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
797 797  
798 -== 4.10 Print data entries base on page. ==
799 799  
758 +== Print data entries base on page. ==
759 +
800 800  Feature: Print the sector data from start page to stop page (max is 416 pages).
801 801  
802 802  **AT Command: AT+PDTA**
803 803  
804 -(% border="1" %)
805 805  |**Command Example**|**Response**
806 806  |(((
807 807  AT+PDTA=1,3
... ... @@ -850,13 +850,14 @@
850 850  
851 851  No downlink commands for feature
852 852  
853 -== 4.11 Print last few data entries. ==
854 854  
813 +
814 +== Print last few data entries. ==
815 +
855 855  Feature: Print the last few data entries
856 856  
857 857  **AT Command: AT+PLDTA**
858 858  
859 -(% border="1" %)
860 860  |**Command Example**|**Response**
861 861  |(((
862 862  AT+PLDTA=5
... ... @@ -886,13 +886,14 @@
886 886  
887 887  No downlink commands for feature
888 888  
889 -== 4.12 Clear Flash Record ==
890 890  
850 +
851 +== Clear Flash Record ==
852 +
891 891  Feature: Clear flash storage for data log feature.
892 892  
893 893  **AT Command: AT+CLRDTA**
894 894  
895 -(% border="1" %)
896 896  |**Command Example**|**Function**|**Response**
897 897  |AT+CLRDTA|Clear date record|(((
898 898  Clear all stored sensor data…
... ... @@ -904,31 +904,36 @@
904 904  
905 905  * Example: 0xA301 ~/~/Same as AT+CLRDTA
906 906  
907 -= 5. Battery & How to replace =
908 908  
909 -== 5.1 Battery Type ==
910 910  
870 += Battery & How to replace =
871 +
872 +== Battery Type ==
873 +
911 911  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.
912 912  
913 913  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
914 914  [[image:image-20220515075034-1.png||height="208" width="644"]]
915 915  
879 +
916 916  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
917 917  
918 918  
919 -== 5.2 Replace Battery ==
883 +== Replace Battery ==
920 920  
921 921  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.
922 922  
923 923  [[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
924 924  
925 -== 5.3 Battery Life Analyze ==
926 926  
890 +== Battery Life Analyze ==
891 +
927 927  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:
928 928  https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
929 929  
930 -= 6. Order Info =
931 931  
896 += Order Info =
897 +
932 932  Part Number: (% class="mark" %)**LHT65N-XX**
933 933  
934 934  **XX**: The default frequency band
... ... @@ -946,7 +946,7 @@
946 946  
947 947  * **E3**: External Temperature Probe
948 948  
949 -= 7. Packing Info =
915 += Packing Info =
950 950  
951 951  **Package Includes**:
952 952  
... ... @@ -961,10 +961,10 @@
961 961  * Package Size / pcs : 14.5 x 8 x 5 cm
962 962  * Weight / pcs : 170g
963 963  
964 -= 8. FCC Warning =
930 += FCC Warning =
965 965  
966 966  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
967 967  
968 -(1) This device may not cause harmful interference；
934 +(1) This device may not cause harmful interference, and
969 969  
970 -(2) this device must accept any interference received, including interference that may cause undesired operation.
936 +(2) this device must accept any interference received, including interference that may cause undesired operation
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