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Last modified by Xiaoling on 2023/07/18 10:12
From version 229.1
edited by Bei Jinggeng
on 2023/03/02 14:10
Change comment: There is no comment for this version
To version 227.1
edited by Bei Jinggeng
on 2023/02/01 11:11
Change comment: There is no comment for this version

Summary

Details

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... ... @@ -46,6 +46,7 @@
46 46  == 1.2 Features ==
47 47  
48 48  
49 +* Wall mountable
49 49  * LoRaWAN v1.0.3 Class A protocol
50 50  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
51 51  * AT Commands to change parameters
... ... @@ -57,6 +57,7 @@
57 57  * Tri-color LED to indicate working status
58 58  * Datalog feature (Max 3328 records)
59 59  
61 +
60 60  == 1.3 Specification ==
61 61  
62 62  
... ... @@ -81,6 +81,7 @@
81 81  * ±2°C accuracy from -55°C to +125°C
82 82  * Operating Range: -55 °C ~~ 125 °C
83 83  
86 +
84 84  = 2. Connect LHT65N to IoT Server =
85 85  
86 86  == 2.1 How does LHT65N work? ==
... ... @@ -232,6 +232,7 @@
232 232  * The 7th byte (EXT #): defines the external sensor model.
233 233  * 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.)
234 234  
238 +
235 235  === 2.4.1 Decoder in TTN V3 ===
236 236  
237 237  
... ... @@ -259,6 +259,7 @@
259 259  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
260 260  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
261 261  
266 +
262 262  === 2.4.3 Built-in Temperature ===
263 263  
264 264  
... ... @@ -270,6 +270,7 @@
270 270  
271 271  * Temperature:  (0xF5C6-65536)/100=-26.18℃
272 272  
278 +
273 273  === 2.4.4 Built-in Humidity ===
274 274  
275 275  
... ... @@ -277,6 +277,7 @@
277 277  
278 278  * Humidity:    0x025C/10=60.4%
279 279  
286 +
280 280  === 2.4.5 Ext # ===
281 281  
282 282  
... ... @@ -304,16 +304,11 @@
304 304  
305 305  * External temperature= (0xF54F-65536)/100=-27.37℃
306 306  
307 -F54F :  (F54F & 8000 == 1) , temp = (F54F - 65536)/100 = 27.37℃
308 -
309 -（0105 & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative）
310 -
311 311  The last 2 bytes of data are meaningless
312 312  
313 313  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
314 314  
315 315  
316 -
317 317  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
318 318  
319 319  
... ... @@ -377,6 +377,7 @@
377 377  * (% style="color:blue" %)**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.
378 378  * (% 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)
379 379  
382 +
380 380  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
381 381  
382 382  
... ... @@ -425,7 +425,6 @@
425 425  [[image:image-20220628151143-7.png||_mstalt="431210"]]
426 426  
427 427  
428 -
429 429  ==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
430 430  
431 431  
... ... @@ -442,7 +442,6 @@
442 442  The external cable NE2 can be use for MOD4 and MOD8
443 443  
444 444  
445 -
446 446  ==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
447 447  
448 448  
... ... @@ -489,7 +489,6 @@
489 489  [[image:image-20220906101145-3.png||_mstalt="428688"]]
490 490  
491 491  
492 -
493 493  ==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
494 494  
495 495  
... ... @@ -855,18 +855,17 @@
855 855  temperature fluctuation=05
856 856  
857 857  
858 -**Sampling multiple times and uplink together**
858 +==== **Sampling multiple times and uplink together** ====
859 859  
860 860  **AT+WMOD=3,1,60,20,-16,32,1**   
861 861  
862 862  Explain:
863 863  
864 -* (% style="color:#037691" %)**parameter1:**(%%)Set Working Mode to **Mode 3**
865 -* (% style="color:#037691" %)**parameter2:**(%%) Set the temperature sampling mode to** 1**(1:DS18B20;2:TMP117;3:** **Internal GXHT30).
866 -* (% style="color:#037691" %)**parameter3:**(%%)Sampling Interval is **60**s.
867 -* (% style="color:#037691" %)**parameter4:**(%%)When there is **20** sampling dats, Device will send these data via one uplink. (max value is 60, means max 60 sampling in one uplink)
868 -* (% style="color:#037691" %)**parameter5 & parameter6:**(%%)Temperature alarm range is **-16** to **32**°C,
869 -* (% style="color:#037691" %)**parameter7:**(%%) 1 to enable temperature alarm, **0** to disable the temperature alarm. If alarm is enabled, a data will be sent immediately  if temperate exceeds the Alarm range.
864 +* Set Working Mode to **Mode 3**
865 +* Sampling Interval is **60**s.
866 +* When there is **20** sampling dats, Device will send these data via one uplink. (max value is 60, means max 60 sampling in one uplink)
867 +* Temperature alarm range is **-16** to **32**°C,
868 +* **1** to enable temperature alarm, **0** to disable the temperature alarm. If alarm is enabled, a data will be sent immediately  if temperate exceeds the Alarm range.
870 870  
871 871  (% style="color:#4f81bd" %)**Downlink Command:**
872 872  
... ... @@ -874,7 +874,7 @@
874 874  
875 875  MOD=03
876 876  
877 -TEMP=DS18B20
876 +EXT=01
878 878  
879 879  CITEMP=003C(S)
880 880  
... ... @@ -886,6 +886,7 @@
886 886  
887 887  ARTEMP=01
888 888  
888 +
889 889  **Uplink payload( Fport=3)**
890 890  
891 891  **Example: CBEA**01**0992**//0A41//**09C4**
... ... @@ -892,7 +892,7 @@
892 892  
893 893  BatV=CBEA
894 894  
895 -TEMP=DS18B20
895 +EXT=01
896 896  
897 897  Temp1=0992  ~/~/ 24.50℃
898 898  
... ... @@ -900,9 +900,10 @@
900 900  
901 901  Temp3=09C4  ~/~/ 25.00℃
902 902  
903 +
903 903  (% style="color:red" %)**Note: This uplink will automatically select the appropriate DR according to the data length**
904 904  
905 -(% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
906 +(% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
906 906  )))
907 907  
908 908  
... ... @@ -961,6 +961,7 @@
961 961  * RED LED when external sensor is not connected
962 962  * For each success downlink, the PURPLE LED will blink once
963 963  
965 +
964 964  == 2.9 installation ==
965 965  
966 966  
... ... @@ -1013,6 +1013,7 @@
1013 1013  * Operating Range: -40 ~~ 125 °C
1014 1014  * Working voltage 2.35v ~~ 5v
1015 1015  
1018 +
1016 1016  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1017 1017  
1018 1018  
... ... @@ -1081,6 +1081,7 @@
1081 1081  
1082 1082  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1083 1083  
1087 +
1084 1084  == 4.2 Set External Sensor Mode ==
1085 1085  
1086 1086  
... ... @@ -1104,6 +1104,7 @@
1104 1104  
1105 1105  * 0xA20702003c: Same as AT+SETCNT=60
1106 1106  
1111 +
1107 1107  == 4.3 Enable/Disable uplink Temperature probe ID ==
1108 1108  
1109 1109  
... ... @@ -1134,6 +1134,7 @@
1134 1134  * **0xA800**  **~-~->** AT+PID=0
1135 1135  * **0xA801**     **~-~->** AT+PID=1
1136 1136  
1142 +
1137 1137  == 4.4 Set Password ==
1138 1138  
1139 1139  
... ... @@ -1183,6 +1183,7 @@
1183 1183  
1184 1184  * There is no downlink command to set to Sleep mode.
1185 1185  
1192 +
1186 1186  == 4.7 Set system time ==
1187 1187  
1188 1188  
... ... @@ -1286,6 +1286,7 @@
1286 1286  
1287 1287  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1288 1288  
1296 +
1289 1289  == 4.13 Auto Send None-ACK messages ==
1290 1290  
1291 1291  
... ... @@ -1304,6 +1304,7 @@
1304 1304  
1305 1305  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1306 1306  
1315 +
1307 1307  == 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1308 1308  
1309 1309  
... ... @@ -1748,6 +1748,7 @@
1748 1748  
1749 1749  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1750 1750  
1760 +
1751 1751  = 8. Packing Info =
1752 1752  
1753 1753  
... ... @@ -1761,11 +1761,13 @@
1761 1761  * Device Size:  10 x 10 x 3.5 mm
1762 1762  * Device Weight: 120.5g
1763 1763  
1774 +
1764 1764  = 9. Reference material =
1765 1765  
1766 1766  
1767 1767  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0]]
1768 1768  
1780 +
1769 1769  = 10. FCC Warning =
1770 1770  
1771 1771