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Last modified by Xiaoling on 2023/07/18 10:12
From version 189.4
edited by Xiaoling
on 2022/07/22 10:34
Change comment: There is no comment for this version
To version 188.1
edited by Edwin Chen
on 2022/07/03 11:17
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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58 58  * Tri-color LED to indicate working status
59 59  * Datalog feature
60 60  
61 +
62 +
63 +
61 61  == 1.3 Specification ==
62 62  
63 63  
... ... @@ -82,6 +82,9 @@
82 82  * ±2°C accuracy from -55°C to +125°C
83 83  * Operating Range: -55 °C ~~ 125 °C
84 84  
88 +
89 +
90 +
85 85  = 2. Connect LHT65N to IoT Server =
86 86  
87 87  == 2.1 How does LHT65N work? ==
... ... @@ -160,10 +160,9 @@
160 160  [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
161 161  
162 162  
169 +Note: LHT65N use same payload as LHT65.
163 163  
164 -(% style="color:red" %)**Note: LHT65N use same payload as LHT65.**
165 165  
166 -
167 167  [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
168 168  
169 169  
... ... @@ -266,6 +266,7 @@
266 266  
267 267  
268 268  
274 +
269 269  === 2.4.1 Decoder in TTN V3 ===
270 270  
271 271  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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298 298  
299 299  
300 300  
307 +
301 301  === 2.4.3 Built-in Temperature ===
302 302  
303 303  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
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310 310  
311 311  
312 312  
320 +
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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318 318  
319 319  
320 320  
329 +
321 321  === 2.4.5 Ext # ===
322 322  
323 323  Bytes for External Sensor:
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464 464  
465 465  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
466 466  
467 -(% border="1" cellspacing="8" style="background-color:#ffffcc; color:green; width:520px" %)
468 -|(% style="width:60px" %)**Bits**|(% style="width:90px" %)**7**|(% style="width:100px" %)**6**|(% style="width:90px" %)**5**|(% style="width:100px" %)**4**|(% style="width:60px" %)**[3:0]**
469 -|(% style="width:96px" %)**Status&Ext**|(% style="width:124px" %)None-ACK Flag|(% style="width:146px" %)Poll Message FLAG|(% style="width:109px" %)Sync time OK|(% style="width:143px" %)Unix Time Request|(% style="width:106px" %)Ext: 0b(1001)
476 +[[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
470 470  
471 -* (% style="color:blue" %)**Poll Message Flag**:(%%)  1: This message is a poll message reply, 0: means this is a normal uplink.
472 -* (% 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.
473 -* (% 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)
478 +* Poll Message Flag:  1: This message is a poll message reply, 0: means this is a normal uplink.
479 +* 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.
480 +* 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)
474 474  
475 475  
483 +
484 +
476 476  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
477 477  
478 478  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
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1027 1027  )))
1028 1028  )))
1029 1029  
1030 -(% style="color:#4f81bd" %)**Downlink Command: AAXXXXXXXXXXXXXX**
1031 1031  
1032 -Total bytes: 8 bytes
1033 1033  
1034 -**Example:**AA0100010001003C
1035 -
1036 -WMOD=01
1037 -
1038 -CITEMP=0001
1039 -
1040 -TEMPlow=0001
1041 -
1042 -TEMPhigh=003C
1043 -
1044 -
1045 1045  == 2.8 LED Indicator ==
1046 1046  
1047 1047  The LHT65 has a triple color LED which for easy showing different stage .
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1055 1055  * RED LED when external sensor is not connected
1056 1056  * For each success downlink, the PURPLE LED will blink once
1057 1057  
1054 +
1055 +
1056 +
1058 1058  == 2.9 installation ==
1059 1059  
1060 1060  (% _mstvisible="1" %)
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1105 1105  * Operating Range: -40 ~~ 125 °C
1106 1106  * Working voltage 2.35v ~~ 5v
1107 1107  
1107 +
1108 +
1109 +
1108 1108  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1109 1109  
1110 1110  (((
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1170 1170  
1171 1171  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1172 1172  
1175 +
1176 +
1177 +
1173 1173  == 4.2 Set External Sensor Mode ==
1174 1174  
1175 1175  Feature: Change External Sensor Mode.
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1191 1191  
1192 1192  * 0xA20702003c: Same as AT+SETCNT=60
1193 1193  
1199 +
1200 +
1201 +
1194 1194  == 4.3 Enable/Disable uplink Temperature probe ID ==
1195 1195  
1196 1196  (((
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1218 1218  * **0xA800**  **~-~->** AT+PID=0
1219 1219  * **0xA801**     **~-~->** AT+PID=1
1220 1220  
1229 +
1230 +
1231 +
1221 1221  == 4.4 Set Password ==
1222 1222  
1223 1223  Feature: Set device password, max 9 digits
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1264 1264  
1265 1265  * There is no downlink command to set to Sleep mode.
1266 1266  
1278 +
1279 +
1280 +
1267 1267  == 4.7 Set system time ==
1268 1268  
1269 1269  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
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1360 1360  
1361 1361  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1362 1362  
1377 +
1378 +
1379 +
1363 1363  == 4.13 Auto Send None-ACK messages ==
1364 1364  
1365 1365  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
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1378 1378  
1379 1379  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1380 1380  
1398 +
1399 +
1400 +
1381 1381  = 5. Battery & How to replace =
1382 1382  
1383 1383  == 5.1 Battery Type ==
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1830 1830  
1831 1831  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1832 1832  
1853 +
1854 +
1855 +
1833 1833  = 8. Packing Info =
1834 1834  
1835 1835  
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1843 1843  * Device Size:  10 x 10 x 3.5 cm
1844 1844  * Device Weight: 120.5g
1845 1845  
1869 +
1870 +
1871 +
1846 1846  = 9. Reference material =
1847 1847  
1848 1848  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1849 1849  
1876 +
1877 +
1878 +
1850 1850  = 10. FCC Warning =
1851 1851  
1852 1852  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions: