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Last modified by Xiaoling on 2023/07/18 10:12
From version 225.1
edited by Bei Jinggeng
on 2022/12/09 17:09
Change comment: There is no comment for this version
To version 229.1
edited by Bei Jinggeng
on 2023/03/02 14:10
Change comment: There is no comment for this version

Summary

Details

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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
... ... @@ -58,7 +58,6 @@
58 58  * Tri-color LED to indicate working status
59 59  * Datalog feature (Max 3328 records)
60 60  
61 -
62 62  == 1.3 Specification ==
63 63  
64 64  
... ... @@ -83,7 +83,6 @@
83 83  * ±2°C accuracy from -55°C to +125°C
84 84  * Operating Range: -55 °C ~~ 125 °C
85 85  
86 -
87 87  = 2. Connect LHT65N to IoT Server =
88 88  
89 89  == 2.1 How does LHT65N work? ==
... ... @@ -235,7 +235,6 @@
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 -
239 239  === 2.4.1 Decoder in TTN V3 ===
240 240  
241 241  
... ... @@ -263,7 +263,6 @@
263 263  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
264 264  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
265 265  
266 -
267 267  === 2.4.3 Built-in Temperature ===
268 268  
269 269  
... ... @@ -275,7 +275,6 @@
275 275  
276 276  * Temperature:  (0xF5C6-65536)/100=-26.18℃
277 277  
278 -
279 279  === 2.4.4 Built-in Humidity ===
280 280  
281 281  
... ... @@ -283,7 +283,6 @@
283 283  
284 284  * Humidity:    0x025C/10=60.4%
285 285  
286 -
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  
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 +
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  
316 +
319 319  ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
320 320  
321 321  
... ... @@ -379,7 +379,6 @@
379 379  * (% 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.
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 -
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  
428 +
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  
445 +
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  
492 +
493 493  ==== 2.4.6.6 Ext~=8 Counting Mode（Since Firmware v1.3） ====
494 494  
495 495  
... ... @@ -662,7 +662,6 @@
662 662  )))
663 663  
664 664  
665 -
666 666  (((
667 667  **2. Manually Set Time**
668 668  )))
... ... @@ -684,7 +684,7 @@
684 684  
685 685  For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(%%)
686 686  
687 -Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
686 +Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00's data
688 688  
689 689  Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
690 690  
... ... @@ -856,17 +856,18 @@
856 856  temperature fluctuation=05
857 857  
858 858  
859 -==== **Sampling multiple times and uplink together** ====
858 +**Sampling multiple times and uplink together**
860 860  
861 861  **AT+WMOD=3,1,60,20,-16,32,1**   
862 862  
863 863  Explain:
864 864  
865 -* Set Working Mode to **Mode 3**
866 -* Sampling Interval is **60**s.
867 -* 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 -* Temperature alarm range is **-16** to **32**°C,
869 -* **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 +* (% 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.
870 870  
871 871  (% style="color:#4f81bd" %)**Downlink Command:**
872 872  
... ... @@ -874,7 +874,7 @@
874 874  
875 875  MOD=03
876 876  
877 -EXT=01
877 +TEMP=DS18B20
878 878  
879 879  CITEMP=003C(S)
880 880  
... ... @@ -886,7 +886,6 @@
886 886  
887 887  ARTEMP=01
888 888  
889 -
890 890  **Uplink payload( Fport=3)**
891 891  
892 892  **Example: CBEA**01**0992**//0A41//**09C4**
... ... @@ -893,7 +893,7 @@
893 893  
894 894  BatV=CBEA
895 895  
896 -EXT=01
895 +TEMP=DS18B20
897 897  
898 898  Temp1=0992  ~/~/ 24.50℃
899 899  
... ... @@ -901,10 +901,9 @@
901 901  
902 902  Temp3=09C4  ~/~/ 25.00℃
903 903  
904 -
905 905  (% style="color:red" %)**Note: This uplink will automatically select the appropriate DR according to the data length**
906 906  
907 -(% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
905 +(% style="color:red" %)** In this mode, the temperature resolution of ds18b20 is 0.25℃ to save power consumption**
908 908  )))
909 909  
910 910  
... ... @@ -963,7 +963,6 @@
963 963  * RED LED when external sensor is not connected
964 964  * For each success downlink, the PURPLE LED will blink once
965 965  
966 -
967 967  == 2.9 installation ==
968 968  
969 969  
... ... @@ -1016,7 +1016,6 @@
1016 1016  * Operating Range: -40 ~~ 125 °C
1017 1017  * Working voltage 2.35v ~~ 5v
1018 1018  
1019 -
1020 1020  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1021 1021  
1022 1022  
... ... @@ -1085,7 +1085,6 @@
1085 1085  
1086 1086  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1087 1087  
1088 -
1089 1089  == 4.2 Set External Sensor Mode ==
1090 1090  
1091 1091  
... ... @@ -1109,7 +1109,6 @@
1109 1109  
1110 1110  * 0xA20702003c: Same as AT+SETCNT=60
1111 1111  
1112 -
1113 1113  == 4.3 Enable/Disable uplink Temperature probe ID ==
1114 1114  
1115 1115  
... ... @@ -1140,7 +1140,6 @@
1140 1140  * **0xA800**  **~-~->** AT+PID=0
1141 1141  * **0xA801**     **~-~->** AT+PID=1
1142 1142  
1143 -
1144 1144  == 4.4 Set Password ==
1145 1145  
1146 1146  
... ... @@ -1190,7 +1190,6 @@
1190 1190  
1191 1191  * There is no downlink command to set to Sleep mode.
1192 1192  
1193 -
1194 1194  == 4.7 Set system time ==
1195 1195  
1196 1196  
... ... @@ -1294,7 +1294,6 @@
1294 1294  
1295 1295  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1296 1296  
1297 -
1298 1298  == 4.13 Auto Send None-ACK messages ==
1299 1299  
1300 1300  
... ... @@ -1313,7 +1313,6 @@
1313 1313  
1314 1314  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1315 1315  
1316 -
1317 1317  == 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1318 1318  
1319 1319  
... ... @@ -1575,7 +1575,6 @@
1575 1575  **Downlink commands:**
1576 1576  
1577 1577  
1578 -
1579 1579  (% style="color:blue" %)**TTN:**
1580 1580  
1581 1581  [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
... ... @@ -1674,6 +1674,12 @@
1674 1674  [[image:image-20220623110706-1.png||_mstalt="427869"]]
1675 1675  
1676 1676  
1666 +**UART Port of LHT65N:**
1667 +
1668 +* (% class="mark" %)**PB0: RXD**
1669 +* (% class="mark" %)**PB1: TXD**
1670 +* (% class="mark" %)**GND**
1671 +
1677 1677  [[image:image-20220623112117-4.png||_mstalt="428350" height="459" width="343"]]
1678 1678  
1679 1679  
... ... @@ -1727,11 +1727,12 @@
1727 1727  
1728 1728  == 6.8 Why can't I see the datalog information ==
1729 1729  
1730 -1.The time is not aligned, and the correct query command is not used
1731 1731  
1732 -2.Decoder error, did not parse the datalog data, the data was filtered
1726 +~1. The time is not aligned, and the correct query command is not used.
1733 1733  
1728 +2. Decoder error, did not parse the datalog data, the data was filtered.
1734 1734  
1730 +
1735 1735  = 7. Order Info =
1736 1736  
1737 1737  
... ... @@ -1752,7 +1752,6 @@
1752 1752  
1753 1753  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1754 1754  
1755 -
1756 1756  = 8. Packing Info =
1757 1757  
1758 1758  
... ... @@ -1766,13 +1766,11 @@
1766 1766  * Device Size:  10 x 10 x 3.5 mm
1767 1767  * Device Weight: 120.5g
1768 1768  
1769 -
1770 1770  = 9. Reference material =
1771 1771  
1772 1772  
1773 1773  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0]]
1774 1774  
1775 -
1776 1776  = 10. FCC Warning =
1777 1777  
1778 1778