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Last modified by Xiaoling on 2023/07/18 10:12
From version 230.1
edited by Bei Jinggeng
on 2023/03/13 09:40
Change comment: There is no comment for this version
To version 226.2
edited by Xiaoling
on 2023/01/29 11:46
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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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
... ... @@ -58,6 +58,7 @@
58 58  * Datalog feature (Max 3328 records)
59 59  
60 60  
62 +
61 61  == 1.3 Specification ==
62 62  
63 63  
... ... @@ -83,6 +83,7 @@
83 83  * Operating Range: -55 °C ~~ 125 °C
84 84  
85 85  
88 +
86 86  = 2. Connect LHT65N to IoT Server =
87 87  
88 88  == 2.1 How does LHT65N work? ==
... ... @@ -235,6 +235,7 @@
235 235  * 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.)
236 236  
237 237  
241 +
238 238  === 2.4.1 Decoder in TTN V3 ===
239 239  
240 240  
... ... @@ -259,10 +259,11 @@
259 259  
260 260  Check the battery voltage for LHT65N.
261 261  
262 -* BAT status=(0Xcba4>>14)&0xFF=11(DEC)  /  B(HEX) ，very good
263 -* Battery Voltage =0xCBA4&0x3FFF=0x0BA4=2980mV
266 +* BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
267 +* Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
264 264  
265 265  
270 +
266 266  === 2.4.3 Built-in Temperature ===
267 267  
268 268  
... ... @@ -275,6 +275,7 @@
275 275  * Temperature:  (0xF5C6-65536)/100=-26.18℃
276 276  
277 277  
283 +
278 278  === 2.4.4 Built-in Humidity ===
279 279  
280 280  
... ... @@ -283,6 +283,7 @@
283 283  * Humidity:    0x025C/10=60.4%
284 284  
285 285  
292 +
286 286  === 2.4.5 Ext # ===
287 287  
288 288  
... ... @@ -310,16 +310,11 @@
310 310  
311 311  * External temperature= (0xF54F-65536)/100=-27.37℃
312 312  
313 -F54F :  (F54F & 8000 == 1) , temp = (F54F - 65536)/100 = 27.37℃
314 -
315 -（0105 & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative）
316 -
317 317  The last 2 bytes of data are meaningless
318 318  
319 319  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
320 320  
321 321  
322 -
323 323  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
324 324  
325 325  
... ... @@ -384,6 +384,7 @@
384 384  * (% 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)
385 385  
386 386  
389 +
387 387  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
388 388  
389 389  
... ... @@ -432,7 +432,6 @@
432 432  [[image:image-20220628151143-7.png||_mstalt="431210"]]
433 433  
434 434  
435 -
436 436  ==== 2.4.6.4 Ext~=2 TMP117 Sensor （Since Firmware v1.3） ====
437 437  
438 438  
... ... @@ -449,7 +449,6 @@
449 449  The external cable NE2 can be use for MOD4 and MOD8
450 450  
451 451  
452 -
453 453  ==== 2.4.6.5 Ext~=4 Interrupt Mode （Since Firmware v1.3） ====
454 454  
455 455  
... ... @@ -496,7 +496,6 @@
496 496  [[image:image-20220906101145-3.png||_mstalt="428688"]]
497 497  
498 498  
499 -
500 500  ==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
501 501  
502 502  
... ... @@ -862,18 +862,17 @@
862 862  temperature fluctuation=05
863 863  
864 864  
865 -**Sampling multiple times and uplink together**
865 +==== **Sampling multiple times and uplink together** ====
866 866  
867 867  **AT+WMOD=3,1,60,20,-16,32,1**   
868 868  
869 869  Explain:
870 870  
871 -* (% style="color:#037691" %)**parameter1:**(%%)Set Working Mode to **Mode 3**
872 -* (% style="color:#037691" %)**parameter2:**(%%) Set the temperature sampling mode to** 1**(1:DS18B20;2:TMP117;3:** **Internal GXHT30).
873 -* (% style="color:#037691" %)**parameter3:**(%%)Sampling Interval is **60**s.
874 -* (% 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)
875 -* (% style="color:#037691" %)**parameter5 & parameter6:**(%%)Temperature alarm range is **-16** to **32**°C,
876 -* (% 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.
871 +* Set Working Mode to **Mode 3**
872 +* Sampling Interval is **60**s.
873 +* 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)
874 +* Temperature alarm range is **-16** to **32**°C,
875 +* **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.
877 877  
878 878  (% style="color:#4f81bd" %)**Downlink Command:**
879 879  
... ... @@ -881,7 +881,7 @@
881 881  
882 882  MOD=03
883 883  
884 -TEMP=DS18B20
883 +EXT=01
885 885  
886 886  CITEMP=003C(S)
887 887  
... ... @@ -893,6 +893,7 @@
893 893  
894 894  ARTEMP=01
895 895  
895 +
896 896  **Uplink payload( Fport=3)**
897 897  
898 898  **Example: CBEA**01**0992**//0A41//**09C4**
... ... @@ -899,7 +899,7 @@
899 899  
900 900  BatV=CBEA
901 901  
902 -TEMP=DS18B20
902 +EXT=01
903 903  
904 904  Temp1=0992  ~/~/ 24.50℃
905 905  
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907 907  
908 908  Temp3=09C4  ~/~/ 25.00℃
909 909  
910 +
910 910  (% style="color:red" %)**Note: This uplink will automatically select the appropriate DR according to the data length**
911 911  
912 -(% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
913 +(% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
913 913  )))
914 914  
915 915  
... ... @@ -969,6 +969,7 @@
969 969  * For each success downlink, the PURPLE LED will blink once
970 970  
971 971  
973 +
972 972  == 2.9 installation ==
973 973  
974 974  
... ... @@ -1022,6 +1022,7 @@
1022 1022  * Working voltage 2.35v ~~ 5v
1023 1023  
1024 1024  
1027 +
1025 1025  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1026 1026  
1027 1027  
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1091 1091  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1092 1092  
1093 1093  
1097 +
1094 1094  == 4.2 Set External Sensor Mode ==
1095 1095  
1096 1096  
... ... @@ -1115,6 +1115,7 @@
1115 1115  * 0xA20702003c: Same as AT+SETCNT=60
1116 1116  
1117 1117  
1122 +
1118 1118  == 4.3 Enable/Disable uplink Temperature probe ID ==
1119 1119  
1120 1120  
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1146 1146  * **0xA801**     **~-~->** AT+PID=1
1147 1147  
1148 1148  
1154 +
1149 1149  == 4.4 Set Password ==
1150 1150  
1151 1151  
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1196 1196  * There is no downlink command to set to Sleep mode.
1197 1197  
1198 1198  
1205 +
1199 1199  == 4.7 Set system time ==
1200 1200  
1201 1201  
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1300 1300  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1301 1301  
1302 1302  
1310 +
1303 1303  == 4.13 Auto Send None-ACK messages ==
1304 1304  
1305 1305  
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1319 1319  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1320 1320  
1321 1321  
1330 +
1322 1322  == 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1323 1323  
1324 1324  
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1764 1764  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1765 1765  
1766 1766  
1776 +
1767 1767  = 8. Packing Info =
1768 1768  
1769 1769  
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1778 1778  * Device Weight: 120.5g
1779 1779  
1780 1780  
1791 +
1781 1781  = 9. Reference material =
1782 1782  
1783 1783  
... ... @@ -1784,6 +1784,7 @@
1784 1784  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0]]
1785 1785  
1786 1786  
1798 +
1787 1787  = 10. FCC Warning =
1788 1788  
1789 1789