Skip to Content
Last modified by Xiaoling on 2023/07/18 10:12
From version 227.1
edited by Bei Jinggeng
on 2023/02/01 11:11
Change comment: There is no comment for this version
To version 228.4
edited by Xiaoling
on 2023/02/17 09:28
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
... ... @@ -46,7 +46,6 @@
46 46  == 1.2 Features ==
47 47  
48 48  
49 -* Wall mountable
50 50  * LoRaWAN v1.0.3 Class A protocol
51 51  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
52 52  * AT Commands to change parameters
... ... @@ -59,6 +59,7 @@
59 59  * Datalog feature (Max 3328 records)
60 60  
61 61  
61 +
62 62  == 1.3 Specification ==
63 63  
64 64  
... ... @@ -84,6 +84,7 @@
84 84  * Operating Range: -55 °C ~~ 125 °C
85 85  
86 86  
87 +
87 87  = 2. Connect LHT65N to IoT Server =
88 88  
89 89  == 2.1 How does LHT65N work? ==
... ... @@ -236,6 +236,7 @@
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  
238 238  
240 +
239 239  === 2.4.1 Decoder in TTN V3 ===
240 240  
241 241  
... ... @@ -264,6 +264,7 @@
264 264  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
265 265  
266 266  
269 +
267 267  === 2.4.3 Built-in Temperature ===
268 268  
269 269  
... ... @@ -276,6 +276,7 @@
276 276  * Temperature:  (0xF5C6-65536)/100=-26.18℃
277 277  
278 278  
282 +
279 279  === 2.4.4 Built-in Humidity ===
280 280  
281 281  
... ... @@ -284,6 +284,7 @@
284 284  * Humidity:    0x025C/10=60.4%
285 285  
286 286  
291 +
287 287  === 2.4.5 Ext # ===
288 288  
289 289  
... ... @@ -311,11 +311,16 @@
311 311  
312 312  * External temperature= (0xF54F-65536)/100=-27.37℃
313 313  
319 +F54F :  (F54F & 8000 == 1) , temp = (F54F - 65536)/100 = 27.37℃
320 +
321 +（0105 & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative）
322 +
314 314  The last 2 bytes of data are meaningless
315 315  
316 316  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
317 317  
318 318  
328 +
319 319  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
320 320  
321 321  
... ... @@ -380,6 +380,7 @@
380 380  * (% style="color:blue" %)**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)
381 381  
382 382  
393 +
383 383  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
384 384  
385 385  
... ... @@ -428,6 +428,7 @@
428 428  [[image:image-20220628151143-7.png||_mstalt="431210"]]
429 429  
430 430  
442 +
431 431  ==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
432 432  
433 433  
... ... @@ -444,6 +444,7 @@
444 444  The external cable NE2 can be use for MOD4 and MOD8
445 445  
446 446  
459 +
447 447  ==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
448 448  
449 449  
... ... @@ -490,6 +490,7 @@
490 490  [[image:image-20220906101145-3.png||_mstalt="428688"]]
491 491  
492 492  
506 +
493 493  ==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
494 494  
495 495  
... ... @@ -857,6 +857,7 @@
857 857  
858 858  ==== **Sampling multiple times and uplink together** ====
859 859  
874 +
860 860  **AT+WMOD=3,1,60,20,-16,32,1**   
861 861  
862 862  Explain:
... ... @@ -963,6 +963,7 @@
963 963  * For each success downlink, the PURPLE LED will blink once
964 964  
965 965  
981 +
966 966  == 2.9 installation ==
967 967  
968 968  
... ... @@ -1016,6 +1016,7 @@
1016 1016  * Working voltage 2.35v ~~ 5v
1017 1017  
1018 1018  
1035 +
1019 1019  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1020 1020  
1021 1021  
... ... @@ -1085,6 +1085,7 @@
1085 1085  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1086 1086  
1087 1087  
1105 +
1088 1088  == 4.2 Set External Sensor Mode ==
1089 1089  
1090 1090  
... ... @@ -1109,6 +1109,7 @@
1109 1109  * 0xA20702003c: Same as AT+SETCNT=60
1110 1110  
1111 1111  
1130 +
1112 1112  == 4.3 Enable/Disable uplink Temperature probe ID ==
1113 1113  
1114 1114  
... ... @@ -1140,6 +1140,7 @@
1140 1140  * **0xA801**     **~-~->** AT+PID=1
1141 1141  
1142 1142  
1162 +
1143 1143  == 4.4 Set Password ==
1144 1144  
1145 1145  
... ... @@ -1190,6 +1190,7 @@
1190 1190  * There is no downlink command to set to Sleep mode.
1191 1191  
1192 1192  
1213 +
1193 1193  == 4.7 Set system time ==
1194 1194  
1195 1195  
... ... @@ -1294,6 +1294,7 @@
1294 1294  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1295 1295  
1296 1296  
1318 +
1297 1297  == 4.13 Auto Send None-ACK messages ==
1298 1298  
1299 1299  
... ... @@ -1313,6 +1313,7 @@
1313 1313  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1314 1314  
1315 1315  
1338 +
1316 1316  == 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1317 1317  
1318 1318  
... ... @@ -1758,6 +1758,7 @@
1758 1758  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1759 1759  
1760 1760  
1784 +
1761 1761  = 8. Packing Info =
1762 1762  
1763 1763  
... ... @@ -1772,6 +1772,7 @@
1772 1772  * Device Weight: 120.5g
1773 1773  
1774 1774  
1799 +
1775 1775  = 9. Reference material =
1776 1776  
1777 1777  
... ... @@ -1778,6 +1778,7 @@
1778 1778  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0]]
1779 1779  
1780 1780  
1806 +
1781 1781  = 10. FCC Warning =
1782 1782  
1783 1783