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Last modified by Xiaoling on 2023/07/18 10:12
From version 179.1
edited by Bei Jinggeng
on 2022/06/28 15:05
Change comment: Uploaded new attachment "image-20220628150542-2.png", version {1}
To version 176.1
edited by Bei Jinggeng
on 2022/06/23 11:43
Change comment: There is no comment for this version

Summary

Details

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60 60  
61 61  
62 62  
63 +
63 63  == 1.3 Specification ==
64 64  
65 65  
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86 86  
87 87  
88 88  
90 +
89 89  = 2. Connect LHT65N to IoT Server =
90 90  
91 91  == 2.1 How does LHT65N work? ==
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268 268  * The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^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.)
269 269  
270 270  
273 +
271 271  === 2.4.1 Decoder in TTN V3 ===
272 272  
273 273  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.
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299 299  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
300 300  
301 301  
305 +
302 302  === 2.4.3 Built-in Temperature ===
303 303  
304 304  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
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310 310  * Temperature:  (0xF5C6-65536)/100=-26.18℃
311 311  
312 312  
317 +
313 313  === 2.4.4 Built-in Humidity ===
314 314  
315 315  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
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317 317  * Humidity:    0x025C/10=60.4%
318 318  
319 319  
325 +
320 320  === 2.4.5 Ext # ===
321 321  
322 322  Bytes for External Sensor:
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470 470  * 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)
471 471  
472 472  
479 +
473 473  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
474 474  
475 475  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
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545 545  1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover.
546 546  
547 547  
555 +
548 548  === 2.6.2 Unix TimeStamp ===
549 549  
550 550  
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1001 1001  * For each success downlink, the PURPLE LED will blink once
1002 1002  
1003 1003  
1012 +
1004 1004  == 2.9 installation ==
1005 1005  
1006 1006  (% _mstvisible="1" %)
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1014 1014  
1015 1015  [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1016 1016  
1017 -**1m long breakout cable for LHT65N. Features:**
1026 +1m long breakout cable for LHT65N
1018 1018  
1019 -* (((
1020 -Use for AT Command， works for both LHT52/LHT65N
1021 -)))
1022 -* (((
1023 -Update firmware for LHT65N, works for both LHT52/LHT65N
1024 -)))
1025 -* (((
1026 -Supports ADC mode to monitor external ADC
1027 -)))
1028 -* (((
1029 -Supports Interrupt mode
1030 -)))
1031 -* (((
1032 -Exposed All pins from the LHT65N Type-C connector.
1033 -)))
1034 -
1035 1035  [[image:image-20220619092421-3.png||height="371" width="529"]]
1036 1036  
1037 1037  
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1052 1052  * Working voltage 2.35v ~~ 5v
1053 1053  
1054 1054  
1048 +
1055 1055  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1056 1056  
1057 1057  (((
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1118 1118  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1119 1119  
1120 1120  
1115 +
1121 1121  == 4.2 Set External Sensor Mode ==
1122 1122  
1123 1123  Feature: Change External Sensor Mode.
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1140 1140  * 0xA20702003c: Same as AT+SETCNT=60
1141 1141  
1142 1142  
1138 +
1143 1143  == 4.3 Enable/Disable uplink Temperature probe ID ==
1144 1144  
1145 1145  (((
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1168 1168  * **0xA801**     **~-~->** AT+PID=1
1169 1169  
1170 1170  
1167 +
1171 1171  == 4.4 Set Password ==
1172 1172  
1173 1173  Feature: Set device password, max 9 digits
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1215 1215  * There is no downlink command to set to Sleep mode.
1216 1216  
1217 1217  
1215 +
1218 1218  == 4.7 Set system time ==
1219 1219  
1220 1220  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
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1312 1312  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1313 1313  
1314 1314  
1313 +
1315 1315  == 4.13 Auto Send None-ACK messages ==
1316 1316  
1317 1317  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
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1331 1331  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1332 1332  
1333 1333  
1333 +
1334 1334  = 5. Battery & How to replace =
1335 1335  
1336 1336  == 5.1 Battery Type ==
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1784 1784  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1785 1785  
1786 1786  
1787 +
1787 1787  = 8. Packing Info =
1788 1788  
1789 1789  
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1798 1798  * Device Weight: 120.5g
1799 1799  
1800 1800  
1802 +
1801 1801  = 9. Reference material =
1802 1802  
1803 1803  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1804 1804  
1805 1805  
1808 +
1806 1806  = 10. FCC Warning =
1807 1807  
1808 1808  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
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