Changes for page LHT52 - LoRaWAN Temperature & Humidity Sensor User Manual
Last modified by Mengting Qiu on 2024/04/30 14:27
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... ... @@ -1,44 +1,28 @@ 1 1 (% style="text-align:center" %) 2 -[[image:image-2022052311 5324-1.jpeg||height="500" width="500"]]2 +[[image:image-20220523111447-1.jpeg||height="448" width="448"]] 3 3 4 +{{box cssClass="floatinginfobox" title="**Contents**"}} 5 +{{toc/}} 6 +{{/box}} 4 4 5 -**LHT65N LoRaWAN Temperature & Humidity Sensor Manual** 6 - 7 - 8 - 9 -**Table of Contents:** 10 - 11 11 {{toc/}} 12 12 13 - 14 - 15 15 = 1.Introduction = 16 16 17 17 == 1.1 What is LHT65N Temperature & Humidity Sensor == 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 -))) 22 22 23 -((( 15 +The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a(% class="mark" %) **built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% class="mark" %)**Temperature Sensor**(%%)**.** 16 + 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 -))) 23 +LHT65N supports (% class="mark" %)Datalog Feature(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading. 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 43 == 1.2 Features == 44 44 ... ... @@ -56,69 +56,36 @@ 56 56 57 57 == 1.3 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 -))) 45 +* Resolution: 0.01 °C 46 +* Accuracy Tolerance : Typ ±0.3 °C 47 +* Long Term Drift: < 0.02 °C/yr 48 +* Operating Range: -40 ~~ 85 °C 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 -))) 52 +* Resolution: 0.04 %RH 53 +* Accuracy Tolerance : Typ ±3 %RH 54 +* Long Term Drift: < 0.02 °C/yr 55 +* Operating Range: 0 ~~ 96 %RH 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 -))) 59 +* Resolution: 0.0625 °C 60 +* ±0.5°C accuracy from -10°C to +85°C 61 +* ±2°C accuracy from -55°C to +125°C 62 +* Operating Range: -55 °C ~~ 125 °C 109 109 110 110 = 2. Connect LHT65N to IoT Server = 111 111 112 112 == 2.1 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 72 + 122 122 == 2.2 How to Activate LHT65N? == 123 123 124 124 The LHT65N has two working modes: ... ... @@ -126,17 +126,15 @@ 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.84 +(% border="1" %) 85 +|**Behavior on ACT**|**Function**|**Action** 86 +|**Pressing ACT between 1s < time < 3s**|Test uplink status|If LHT65N is already Joined to the LoRaWAN network, LHT65N will send an uplink packet, if LHT65N has an external sensor connected, blue led will blink once. If LHT65N has no external sensor, red led will blink once. 87 +|**Pressing ACT for more than 3s**|Active Device|green led will fast blink 5 times, LHT65N will enter working mode and start to JOIN LoRaWAN network. green led will solid turn on for 5 seconds after join in network. 88 +|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode. 140 140 141 141 == 2.3 Example to join LoRaWAN network == 142 142 ... ... @@ -163,8 +163,10 @@ 163 163 164 164 [[image:image-20220522232916-3.png]] 165 165 115 + 166 166 [[image:image-20220522232932-4.png]] 167 167 118 + 168 168 [[image:image-20220522232954-5.png]] 169 169 170 170 Note: LHT65N use same payload as LHT65. ... ... @@ -181,61 +181,33 @@ 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"]]135 +[[image:image-20220522233300-8.png]] 185 185 186 186 187 187 == 2.4 Uplink Payload == 188 188 189 -The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and style="color:#4f81bd" %)**every 20 minutes**(%%)140 +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.142 +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:428px" %) 195 -|(% style="width:106px" %)((( 196 -**Size(bytes)** 197 -)))|(% style="width:46px" %)((( 198 -**2** 199 -)))|(% style="width:104px" %)((( 200 -**2** 201 -)))|(% style="width:80px" %)((( 202 -**2** 203 -)))|(% style="width:51px" %)((( 204 -**1** 205 -)))|(% style="width:35px" %)((( 206 -**4** 207 -))) 208 -|(% style="width:106px" %)((( 209 -**Value** 210 -)))|(% style="width:46px" %)((( 211 -[[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]] 212 -)))|(% style="width:104px" %)((( 213 -((( 214 -[[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]] 215 -))) 145 +(% border="1" style="width:572px" %) 146 +|(% style="width:106px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:128px" %)**2**|(% style="width:103px" %)**2**|(% style="width:72px" %)**1**|(% style="width:89px" %)**4** 147 +|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)((( 148 +[[Built-In>>path:#SHT20_Temperature]] 216 216 217 -((( 218 -[[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]] 219 -))) 220 -)))|(% style="width:80px" %)((( 221 -((( 222 -[[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]] 223 -))) 150 +[[Temperature>>path:#SHT20_Temperature]] 151 +)))|(% style="width:103px" %)((( 152 +[[Built-in>>path:#SHT20_Humidity]] 224 224 225 -((( 226 -[[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]] 227 -))) 228 -)))|(% style="width:51px" %)((( 229 -[[Ext>>path:#Extension_Sensor]] # 230 -)))|(% style="width:35px" %)((( 231 -[[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]] 232 -))) 154 +[[Humidity>>path:#SHT20_Humidity]] 155 +)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]] 233 233 234 234 * The First 6 bytes: has fix meanings for every LHT65N. 235 235 * The 7th byte (EXT #): defines the external sensor model. 236 236 * 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.) 237 237 238 -=== 2.4.1Decoder in TTN V3 ===161 +=== Decoder in TTN V3 === 239 239 240 240 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. 241 241 ... ... @@ -243,47 +243,28 @@ 243 243 244 244 [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]] 245 245 246 -[[image:image-20220522234118-10.png ||height="353" width="729"]]169 +[[image:image-20220522234118-10.png]] 247 247 248 -=== 2.4.2 BAT-Battery Info === 249 249 172 +=== BAT-Battery Info === 173 + 250 250 These two bytes of BAT include the battery state and the actually voltage 251 251 252 -(% border="1" style="background-color:#ffffcc; color:green; width:502px" %) 253 -|(% style="width:75px" %)((( 254 -Bit(bit) 255 -)))|(% style="width:259px" %)((( 256 -[15:14] 257 -)))|(% style="width:164px" %)((( 258 -[13:0] 259 -))) 260 -|(% style="width:75px" %)((( 261 -Value 262 -)))|(% style="width:259px" %)((( 263 -((( 176 +(% style="width:646px" %) 177 +|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0] 178 +|Value|(% style="width:272px" %)((( 264 264 BAT Status 265 -))) 266 266 267 -((( 268 268 00(b): Ultra Low ( BAT <= 2.50v) 269 -))) 270 270 271 -((( 272 272 01(b): Low (2.50v <=BAT <= 2.55v) 273 -))) 274 274 275 -((( 276 276 10(b): OK (2.55v <= BAT <=2.65v) 277 -))) 278 278 279 -((( 280 280 11(b): Good (BAT >= 2.65v) 281 -))) 282 -)))|(% style="width:164px" %)((( 283 -Actually BAT voltage 284 -))) 188 +)))|(% style="width:214px" %)Actually BAT voltage 285 285 286 -[[image:image-20220522235639-1.png ||height="139" width="727"]]190 +[[image:image-20220522235639-1.png]] 287 287 288 288 Check the battery voltage for LHT65N. 289 289 ... ... @@ -290,9 +290,9 @@ 290 290 * BAT status=(0Xcba4>>14)&0xFF=11(B),very good 291 291 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV 292 292 293 -=== 2.4.3Built-in Temperature ===197 +=== Built-in Temperature === 294 294 295 -[[image:image-20220522235639-2.png ||height="138" width="722"]]199 +[[image:image-20220522235639-2.png]] 296 296 297 297 * Temperature: 0x0ABB/100=27.47℃ 298 298 ... ... @@ -300,69 +300,72 @@ 300 300 301 301 * Temperature: (0xF5C6-65536)/100=-26.18℃ 302 302 303 -=== 2.4.4Built-in Humidity ===207 +=== Built-in Humidity === 304 304 305 -[[image:image-20220522235639-4.png ||height="138" width="722"]]209 +[[image:image-20220522235639-4.png]] 306 306 307 307 * Humidity: 0x025C/10=60.4% 308 308 309 -=== 2.4.5Ext # ===213 +=== Ext # === 310 310 311 311 Bytes for External Sensor: 312 312 313 -(% border="1"style="background-color:#ffffcc; color:green;width:473px" %)314 -|(% style="width:139px" %)**EXT # Value**|(% style="width: 331px" %)**External Sensor Type**315 -|(% style="width:139px" %)0x01|(% style="width: 331px" %)Sensor E3, Temperature Sensor316 -|(% style="width:139px" %)0x09|(% style="width: 331px" %)Sensor E3, Temperature Sensor, Datalog Mod217 +(% style="width:624px" %) 218 +|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type** 219 +|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor 220 +|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod 317 317 318 -=== 2.4.6Ext value ===222 +=== Ext value === 319 319 320 -==== 2.4.6.1Ext~=1, E3 Temperature Sensor ====224 +==== Ext~=1, E3 Temperature Sensor ==== 321 321 322 322 [[image:image-20220522235639-5.png]] 323 323 228 + 324 324 * DS18B20 temp=0x0ADD/100=27.81℃ 325 325 326 326 The last 2 bytes of data are meaningless 327 327 233 + 234 + 328 328 [[image:image-20220522235639-6.png]] 329 329 330 330 * External temperature= (0xF54F-65536)/100=-27.37℃ 331 331 332 -((( 333 333 The last 2 bytes of data are meaningless 334 -))) 335 335 336 - (((241 + 337 337 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃ 338 -))) 339 339 340 340 341 -==== 2.4.6.2Ext~=9, E3 sensor with Unix Timestamp ====245 +==== Ext~=9, E3 sensor with Unix Timestamp ==== 342 342 343 343 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: 344 344 345 -(% border="1" style="background-color:#ffffcc; color:green; width:541px" %) 346 -|(% style="width:96px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:69px" %)**2**|(% style="width:88px" %)**2**|(% style="width:69px" %)**1**|(% style="width:85px" %)**4** 347 -|(% 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" %)((( 348 -[[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]] 349 349 350 -[[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]] 351 -)))|(% style="width:88px" %)((( 352 -BAT Status & 250 +(% style="width:697px" %) 251 +|(% style="width:96px" %)**Size(bytes)**|(% style="width:164px" %)**2**|(% style="width:104px" %)**2**|(% style="width:106px" %)**2**|(% style="width:108px" %)**1**|(% style="width:116px" %)**4** 252 +|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)((( 253 +[[Built-In>>path:#SHT20_Temperature]] 353 353 354 -[[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]] 255 +[[Temperature>>path:#SHT20_Temperature]] 256 +)))|(% style="width:106px" %)((( 257 +[[BAT Status &>>path:#BAT_Humidity]] 355 355 356 -[[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]] 357 -)))|(% style="width:69px" %)Status & Ext|(% style="width:85px" %)((( 358 -[[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]] 259 +[[Built-in>>path:#BAT_Humidity]] 260 + 261 +[[Humidity>>path:#BAT_Humidity]] 262 +)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)((( 263 +[[Unix>>path:#Unix_Time_Stamp]] 264 + 265 +[[Time Stamp>>path:#Unix_Time_Stamp]] 359 359 ))) 360 360 361 -* **Battery status & wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**268 +* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]] 362 362 363 -(% border="1"style="background-color:#ffffcc; color:green;width:469px" %)364 -| (% style="width:65px" %)Bit(bit)|(% style="width:267px" %)[15:14]|(% style="width:134px" %)[11:0]365 -| (% style="width:65px" %)Value|(% style="width:267px" %)(((270 +(% style="width:587px" %) 271 +|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0] 272 +|Value|(% style="width:280px" %)((( 366 366 BAT Status 367 367 368 368 00(b): Ultra Low ( BAT <= 2.50v) ... ... @@ -372,8 +372,8 @@ 372 372 10(b): OK (2.55v <= BAT <=2.65v) 373 373 374 374 11(b): Good (BAT >= 2.65v) 375 -)))|(% style="width:13 4px" %)(((376 -[[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]]282 +)))|(% style="width:136px" %)((( 283 +[[Built-in Humidity>>path:#SHT20_Humidity]] 377 377 378 378 379 379 ))) ... ... @@ -380,10 +380,12 @@ 380 380 381 381 * **Status & Ext Byte** 382 382 383 -(% border="1" style="background-color:#ffffcc; color:green; width:587px" %) 384 -|(% style="width:109px" %)**Bits**|(% style="width:105px" %)**7**|(% style="width:105px" %)**6**|(% style="width:82px" %)**5**|(% style="width:84px" %)**4**|(% style="width:97px" %)**[3:0]** 385 -|(% style="width:109px" %)**Status & Ext**|(% style="width:105px" %)Not Defined|(% style="width:105px" %)Poll Message Flag|(% style="width:82px" %)Sync time OK|(% style="width:84px" %)Unix Time Request|(% style="width:97px" %)((( 386 -Ext:0b(1001) 290 +(% style="width:732px" %) 291 +|(% style="width:128px" %)**Bits**|(% style="width:102px" %)**7**|(% style="width:145px" %)**6**|(% style="width:117px" %)**5**|(% style="width:147px" %)**4**|(% style="width:90px" %)**[3:0]** 292 +|(% style="width:128px" %)**Status & Ext**|(% style="width:102px" %)Not Defined|(% style="width:145px" %)Poll Message Flag|(% style="width:117px" %)Sync time OK|(% style="width:147px" %)Unix Time Request|(% style="width:90px" %)((( 293 +Ext: 294 + 295 +0b(1001) 387 387 ))) 388 388 389 389 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink. ... ... @@ -390,21 +390,17 @@ 390 390 * 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. 391 391 * 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) 392 392 393 -== 2.5Show data on Datacake ==302 +== Show data on Datacake == 394 394 395 395 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: 396 396 397 - (((306 + 398 398 **Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network. 399 -))) 400 400 401 -((( 402 402 **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. 403 -))) 404 404 405 - (((311 + 406 406 Add Datacake: 407 -))) 408 408 409 409 [[image:image-20220523000825-7.png||height="262" width="583"]] 410 410 ... ... @@ -413,17 +413,21 @@ 413 413 414 414 [[image:image-20220523000825-8.png||height="453" width="406"]] 415 415 321 + 416 416 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device. 417 417 418 418 [[image:image-20220523000825-9.png||height="366" width="392"]] 419 419 420 -[[image:image-20220523000825-10.png||height="413" width="728"]] 421 421 422 -== 2.6 Datalog Feature == 423 423 328 +[[image:image-20220523000825-10.png||height="432" width="762"]] 329 + 330 + 331 +== Datalog Feature == 332 + 424 424 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. 425 425 426 -=== 2.6.1Unix TimeStamp ===335 +=== Unix TimeStamp === 427 427 428 428 LHT65N uses Unix TimeStamp format based on 429 429 ... ... @@ -430,142 +430,100 @@ 430 430 [[image:image-20220523001219-11.png||height="97" width="627"]] 431 431 432 432 433 -((( 434 434 User can get this time from link: [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] : 435 -))) 436 436 437 -((( 438 438 Below is the converter example 439 -))) 440 440 441 -[[image:image-20220523001219-12.png||height=" 298" width="720"]]346 +[[image:image-20220523001219-12.png||height="353" width="853"]] 442 442 443 443 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25 444 444 445 -=== 2.6.2 Set Device Time === 446 446 447 -((( 351 +=== Set Device Time === 352 + 448 448 There are two ways to set device’s time: 449 -))) 450 450 451 -((( 452 452 **~1. Through LoRaWAN MAC Command (Default settings)** 453 -))) 454 454 455 -((( 456 456 User need to set SYNCMOD=1 to enable sync time via MAC command. 457 -))) 458 458 459 -((( 460 460 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). 461 -))) 462 462 463 -((( 464 464 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. 465 -))) 466 466 467 -((( 468 - 469 -))) 470 470 471 -((( 472 472 **2. Manually Set Time** 473 -))) 474 474 475 -((( 476 476 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server. 477 -))) 478 478 479 -=== 2.6.3 Poll sensor value === 480 480 369 +=== Poll sensor value === 370 + 481 481 User can poll sensor value based on timestamps from the server. Below is the downlink command. 482 482 483 483 484 -(% border="1"style="background-color:#ffffcc; color:green;width:427px" %)485 -|(% style="width:6 1px" %)1byte|(% style="width:126px" %)4bytes|(% style="width:120px" %)4bytes|(% style="width:115px" %)1byte486 -|(% style="width:6 1px" %)31|(% style="width:126px" %)Timestamp start|(% style="width:120px" %)Timestamp end|(% style="width:115px" %)Uplink Interval374 +(% style="width:454px" %) 375 +|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte 376 +|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval 487 487 488 -((( 489 489 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. 490 -))) 491 491 492 -((( 493 -For example, downlink command **31 5FC5F350 5FC6 0160 05** 494 -))) 495 495 496 -((( 381 +For example, downlink command 31 5FC5F350 5FC6 0160 05 382 + 497 497 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data 498 -))) 499 499 500 -((( 501 501 Uplink Internal =5s,means LHT65N will send one packet every 5s. range 5~~255s. 502 -))) 503 503 504 504 505 -=== 2.6.4Datalog Uplink payload ===388 +=== Datalog Uplink payload === 506 506 507 507 The Datalog poll reply uplink will use below payload format. 508 508 509 -((( 510 -**Retrieval data payload** 511 -))) 512 512 513 -(% border="1" style="background-color:#ffffcc; color:green; width:586px" %) 514 -|(% style="width:94px" %)**Size(bytes)**|(% style="width:106px" %)**2**|(% style="width:126px" %)**2**|(% style="width:106px" %)**2**|(% style="width:89px" %)**1**|(% style="width:58px" %)**4** 515 -|(% style="width:94px" %)**Value**|(% style="width:106px" %)[[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]]|(% style="width:126px" %)((( 516 -[[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]] 517 -)))|(% style="width:106px" %)((( 518 -[[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]][[ 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]] 519 -)))|(% style="width:89px" %)[[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]]|(% style="width:58px" %)((( 520 -[[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]] 393 +Retrieval data payload 521 521 395 +|**Size(bytes)**|**2**|**2**|**2**|**1**|**4** 396 +|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|((( 397 +[[Built-In>>path:#SHT20_Temperature]] 398 + 399 +[[Temperature>>path:#SHT20_Temperature]] 400 +)))|((( 401 +[[Built-in>>path:#SHT20_Humidity]] 402 + 403 +[[Humidity>>path:#SHT20_Humidity]] 404 +)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|((( 405 +[[Unix Time Stamp>>path:#Unix_Time_Stamp]] 406 + 522 522 523 523 ))) 524 524 525 - **Poll message flag & Ext**410 +Poll message flag & Ext 526 526 527 - (% border="1" style="background-color:#ffffcc; color:green; width:540px" %)528 -| (% style="width:81px" %)**Bits**|(% style="width:100px" %)**7**|(% style="width:105px" %)**6**|(% style="width:84px" %)**5**|(% style="width:85px" %)**4**|(% style="width:79px" %)**[3:0]**529 -| (% style="width:81px" %)**Status & Ext**|(% style="width:100px" %)Not Defined|(% style="width:105px" %)Poll Message Flag|(% style="width:84px" %)Sync time OK|(% style="width:85px" %)Unix Time Request|(% style="width:79px" %)(((412 + 413 +|**Bits**|**7**|**6**|**5**|**4**|**[3:0]** 414 +|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|((( 530 530 Ext: 531 531 532 532 0b(1001) 533 533 ))) 534 534 535 -((( 536 536 Poll Message Flag: 1: This message is a poll message reply. 537 -))) 538 538 539 -* ((( 540 -Poll Message Flag is set to 1. 541 -))) 542 -* ((( 543 -Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands. 544 -))) 422 +* Poll Message Flag is set to 1. 423 +* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands. 545 545 546 -((( 547 547 For example, in US915 band, the max payload for different DR is: 548 -))) 549 549 550 -((( 551 -a) DR0: max is 11 bytes so one entry of data 552 -))) 427 +a) DR0: max is 11 bytes so one entry of data 553 553 554 -((( 555 -b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes) 556 -))) 429 +b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes) 557 557 558 -((( 559 -c) DR2: total payload includes 11 entries of data 560 -))) 431 +c) DR2: total payload includes 11 entries of data 561 561 562 -((( 563 -d) DR3: total payload includes 22 entries of data. 564 -))) 433 +d) DR3: total payload includes 22 entries of data. 565 565 566 -((( 567 567 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0 568 -))) 569 569 570 570 571 571 **Example:** ... ... @@ -572,19 +572,6 @@ 572 572 573 573 If LHT65N has below data inside Flash: 574 574 575 -[[image:image-20220523144455-1.png||height="335" width="735"]] 576 - 577 -(% border="1" style="background-color:#ffffcc; color:green; width:709px" %) 578 -|(% style="width:89px" %)Flash Addr|(% style="width:136px" %)Unix Time|(% style="width:39px" %)Ext|(% style="width:97px" %)BAT voltage|(% style="width:344px" %)Value 579 -|(% style="width:89px" %)80196E0|(% style="width:136px" %)21/1/19 04:27:03|(% style="width:39px" %)1|(% style="width:97px" %)3145|(% style="width:344px" %)sht_temp=22.00 sht_hum=32.6 ds_temp=327.67 580 -|(% style="width:89px" %)80196F0|(% style="width:136px" %)21/1/19 04:28:57|(% style="width:39px" %)1|(% style="width:97px" %)3145|(% style="width:344px" %)sht_temp=21.90 sht_hum=33.1 ds_temp=327.67 581 -|(% style="width:89px" %)8019700|(% style="width:136px" %)21/1/19 04:30:30|(% style="width:39px" %)1|(% style="width:97px" %)3145|(% style="width:344px" %)sht_temp=21.81 sht_hum=33.4 ds_temp=327.67 582 -|(% style="width:89px" %)8019710|(% style="width:136px" %)21/1/19 04:40:30|(% style="width:39px" %)1|(% style="width:97px" %)3145|(% style="width:344px" %)sht_temp=21.65 sht_hum=33.7 ds_temp=327.67 583 -|(% style="width:89px" %)8019720|(% style="width:136px" %)21/1/19 04:50:30|(% style="width:39px" %)1|(% style="width:97px" %)3147|(% style="width:344px" %)sht_temp=21.55 sht_hum=34.1 ds_temp=327.67 584 -|(% style="width:89px" %)8019730|(% style="width:136px" %)21/1/19 05:00:30|(% style="width:39px" %)1|(% style="width:97px" %)3149|(% style="width:344px" %)sht_temp=21.50 sht_hum=34.1 ds_temp=327.67 585 -|(% style="width:89px" %)8019740|(% style="width:136px" %)21/1/19 05:10:30|(% style="width:39px" %)1|(% style="width:97px" %)3149|(% style="width:344px" %)sht_temp=21.43 sht_hum=34.6 ds_temp=327.67 586 -|(% style="width:89px" %)8019750|(% style="width:136px" %)21/1/19 05:20:30|(% style="width:39px" %)1|(% style="width:97px" %)3151|(% style="width:344px" %)sht_temp=21.35 sht_hum=34.9 ds_temp=327.67 587 - 588 588 Flash Addr |Unix Time | Ext | BAT voltage| Value 589 589 590 590 80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67 ... ... @@ -604,8 +604,10 @@ 604 604 8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67 605 605 606 606 607 -If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705461 +If user sends below downlink command: 608 608 463 +3160065F9760066DA705 464 + 609 609 Where : Start time: 60065F97 = time 21/1/19 04:27:03 610 610 611 611 Stop time 60066DA7= time 21/1/19 05:27:03 ... ... @@ -613,7 +613,7 @@ 613 613 614 614 LHT65N will uplink this payload. 615 615 616 -[[image:image-20220523001219-13.png ||height="421" width="727"]]472 +[[image:image-20220523001219-13.png]] 617 617 618 618 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E 619 619 ... ... @@ -632,7 +632,7 @@ 632 632 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03 633 633 634 634 635 -== 2.7Alarm Mode ==491 +== Alarm Mode == 636 636 637 637 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. 638 638 ... ... @@ -648,7 +648,7 @@ 648 648 649 649 650 650 651 -== 2.8LED Indicator ==507 +== LED Indicator == 652 652 653 653 The LHT65N has a triple color LED which for easy shows different stage. 654 654 ... ... @@ -663,14 +663,17 @@ 663 663 664 664 ---- 665 665 666 -== 2.9Installation ==522 +== Installation == 667 667 668 668 [[image:image-20220516231650-1.png||height="436" width="428"]] 669 669 670 -= 3. Sensors & Accessories = 671 671 672 -== 3.1 E3 Temperature Probe == 673 673 528 + 529 += Sensors & Accessories = 530 + 531 +== E3 Temperature Probe == 532 + 674 674 [[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]] 675 675 676 676 ... ... @@ -683,7 +683,7 @@ 683 683 * -55°C to 125°C 684 684 * Working voltage 2.35v ~~ 5v 685 685 686 -= 4.Configure LHT65N via AT Command or LoRaWAN Downlink =545 += Configure LHT65N via AT Command or LoRaWAN Downlink = 687 687 688 688 Use can configure LHT65N via AT Command or LoRaWAN Downlink. 689 689 ... ... @@ -692,6 +692,7 @@ 692 692 693 693 [[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]] 694 694 554 + 695 695 There are two kinds of commands to configure LHT65N, they are: 696 696 697 697 * **General Commands**. ... ... @@ -705,17 +705,19 @@ 705 705 706 706 [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]] 707 707 568 + 569 + 708 708 * **Commands special design for LHT65N** 709 709 710 710 These commands are only valid for LHT65N, as below: 711 711 712 -== 4.1 Set Transmit Interval Time == 713 713 575 +== Set Transmit Interval Time == 576 + 714 714 Feature: Change LoRaWAN End Node Transmit Interval. 715 715 716 716 **AT Command: AT+TDC** 717 717 718 -(% border="1" %) 719 719 |**Command Example**|**Function**|**Response** 720 720 |AT+TDC?|Show current transmit Interval|((( 721 721 30000 ... ... @@ -739,13 +739,12 @@ 739 739 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 740 740 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 741 741 742 -== 4.2Set External Sensor Mode ==604 +== Set External Sensor Mode == 743 743 744 744 Feature: Change External Sensor Mode. 745 745 746 746 **AT Command: AT+EXT** 747 747 748 -(% border="1" %) 749 749 |**Command Example**|**Function**|**Response** 750 750 |AT+EXT?|Get current external sensor mode|((( 751 751 1 ... ... @@ -767,7 +767,7 @@ 767 767 * 0xA209: Same as AT+EXT=9 768 768 * 0xA20702003c,Same as AT+SETCNT=60 769 769 770 -== 4.3Enable/Disable uplink Temperature probe ID ==631 +== Enable/Disable uplink Temperature probe ID == 771 771 772 772 Feature: If PID is enabled, device will send the temperature probe ID on: 773 773 ... ... @@ -779,7 +779,6 @@ 779 779 780 780 **AT Command:** 781 781 782 -(% border="1" %) 783 783 |**Command Example**|**Function**|**Response** 784 784 |AT+PID=1|Enable PID uplink|OK 785 785 ... ... @@ -788,13 +788,12 @@ 788 788 * 0xA800 à AT+PID=0 789 789 * 0xA801 à AT+PID=1 790 790 791 -== 4.4Set Password ==651 +== Set Password == 792 792 793 793 Feature: Set device password, max 9 digits 794 794 795 795 **AT Command: AT+PWORD** 796 796 797 -(% border="1" %) 798 798 |**Command Example**|**Function**|**Response** 799 799 |AT+PWORD=?|Show password|((( 800 800 123456 ... ... @@ -808,13 +808,13 @@ 808 808 809 809 No downlink command for this feature. 810 810 811 -== 4.5 Quit AT Command == 812 812 671 +== Quit AT Command == 672 + 813 813 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands. 814 814 815 815 **AT Command: AT+DISAT** 816 816 817 -(% border="1" %) 818 818 |**Command Example**|**Function**|**Response** 819 819 |AT+DISAT|Quit AT Commands mode|OK 820 820 ... ... @@ -823,13 +823,12 @@ 823 823 No downlink command for this feature. 824 824 825 825 826 -== 4.6Set to sleep mode ==685 +== Set to sleep mode == 827 827 828 828 Feature: Set device to sleep mode 829 829 830 830 **AT Command: AT+SLEEP** 831 831 832 -(% border="1" %) 833 833 | | | 834 834 |**Command Example**|**Function**|**Response** 835 835 |AT+SLEEP|Set to sleep mode|((( ... ... @@ -842,13 +842,12 @@ 842 842 843 843 * There is no downlink command to set to Sleep mode. 844 844 845 -== 4.7Set system time ==703 +== Set system time == 846 846 847 847 Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]] 848 848 849 849 **AT Command:** 850 850 851 -(% border="1" %) 852 852 |**Command Example**|**Function** 853 853 |AT+TIMESTAMP=1611104352|((( 854 854 OK ... ... @@ -860,10 +860,12 @@ 860 860 861 861 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352 862 862 863 -== 4.8 Set Time Sync Mode == 864 864 721 +== Set Time Sync Mode == 722 + 865 865 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command. 866 866 725 + 867 867 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. 868 868 869 869 ... ... @@ -878,13 +878,13 @@ 878 878 879 879 0x28 00 ~/~/ Same As AT+SYNCMOD=0 880 880 881 -== 4.9 Set Time Sync Interval == 882 882 741 +== Set Time Sync Interval == 742 + 883 883 Feature: Define System time sync interval. SYNCTDC default value: 10 days. 884 884 885 885 **AT Command:** 886 886 887 -(% border="1" %) 888 888 |**Command Example**|**Function** 889 889 |AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days. 890 890 ... ... @@ -892,13 +892,13 @@ 892 892 893 893 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A 894 894 895 -== 4.10 Print data entries base on page. == 896 896 755 +== Print data entries base on page. == 756 + 897 897 Feature: Print the sector data from start page to stop page (max is 416 pages). 898 898 899 899 **AT Command: AT+PDTA** 900 900 901 -(% border="1" %) 902 902 |**Command Example**|**Response** 903 903 |((( 904 904 AT+PDTA=1,3 ... ... @@ -947,13 +947,14 @@ 947 947 948 948 No downlink commands for feature 949 949 950 -== 4.11 Print last few data entries. == 951 951 810 + 811 +== Print last few data entries. == 812 + 952 952 Feature: Print the last few data entries 953 953 954 954 **AT Command: AT+PLDTA** 955 955 956 -(% border="1" %) 957 957 |**Command Example**|**Response** 958 958 |((( 959 959 AT+PLDTA=5 ... ... @@ -983,13 +983,14 @@ 983 983 984 984 No downlink commands for feature 985 985 986 -== 4.12 Clear Flash Record == 987 987 847 + 848 +== Clear Flash Record == 849 + 988 988 Feature: Clear flash storage for data log feature. 989 989 990 990 **AT Command: AT+CLRDTA** 991 991 992 -(% border="1" %) 993 993 |**Command Example**|**Function**|**Response** 994 994 |AT+CLRDTA|Clear date record|((( 995 995 Clear all stored sensor data… ... ... @@ -1001,31 +1001,35 @@ 1001 1001 1002 1002 * Example: 0xA301 ~/~/Same as AT+CLRDTA 1003 1003 1004 -= 5. Battery & How to replace = 1005 1005 1006 -= =5.1BatteryType ==866 += Battery & How to replace = 1007 1007 868 +== Battery Type == 869 + 1008 1008 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. 1009 1009 1010 1010 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance. 1011 1011 [[image:image-20220515075034-1.png||height="208" width="644"]] 1012 1012 875 + 1013 1013 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery. 1014 1014 1015 1015 1016 -== 5.2Replace Battery ==879 +== Replace Battery == 1017 1017 1018 1018 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. 1019 1019 1020 1020 [[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]] 1021 1021 1022 -== 5.3 Battery Life Analyze == 1023 1023 886 +== Battery Life Analyze == 887 + 1024 1024 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: 1025 1025 https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf 1026 1026 1027 -= 6. Order Info = 1028 1028 892 += Order Info = 893 + 1029 1029 Part Number: (% class="mark" %)**LHT65N-XX** 1030 1030 1031 1031 **XX**: The default frequency band ... ... @@ -1043,7 +1043,7 @@ 1043 1043 1044 1044 * **E3**: External Temperature Probe 1045 1045 1046 -= 7.Packing Info =911 += Packing Info = 1047 1047 1048 1048 **Package Includes**: 1049 1049 ... ... @@ -1058,10 +1058,10 @@ 1058 1058 * Package Size / pcs : 14.5 x 8 x 5 cm 1059 1059 * Weight / pcs : 170g 1060 1060 1061 -= 8.FCC Warning =926 += FCC Warning = 1062 1062 1063 1063 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions: 1064 1064 1065 -(1) This device may not cause harmful interference ;930 +(1) This device may not cause harmful interference, and 1066 1066 1067 -(2) this device must accept any interference received, including interference that may cause undesired operation .932 +(2) this device must accept any interference received, including interference that may cause undesired operation
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