Skip to Content
Last modified by Xiaoling on 2023/07/18 10:12
From version 189.2
edited by Xiaoling
on 2022/07/22 10:33
Change comment: There is no comment for this version
To version 189.7
edited by Xiaoling
on 2022/07/22 11:10
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -58,6 +58,8 @@
58 58  * Tri-color LED to indicate working status
59 59  * Datalog feature
60 60  
61 +
62 +
61 61  == 1.3 Specification ==
62 62  
63 63  
... ... @@ -82,6 +82,8 @@
82 82  * ±2°C accuracy from -55°C to +125°C
83 83  * Operating Range: -55 °C ~~ 125 °C
84 84  
87 +
88 +
85 85  = 2. Connect LHT65N to IoT Server =
86 86  
87 87  == 2.1 How does LHT65N work? ==
... ... @@ -160,9 +160,10 @@
160 160  [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
161 161  
162 162  
163 -Note: LHT65N use same payload as LHT65.
164 164  
168 +(% style="color:red" %)**Note: LHT65N use same payload as LHT65.**
165 165  
170 +
166 166  [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
167 167  
168 168  
... ... @@ -261,8 +261,10 @@
261 261  
262 262  * The First 6 bytes: has fix meanings for every LHT65N.
263 263  * The 7th byte (EXT #): defines the external sensor model.
264 -* 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 +* 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.)
265 265  
271 +
272 +
266 266  === 2.4.1 Decoder in TTN V3 ===
267 267  
268 268  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.
... ... @@ -293,6 +293,8 @@
293 293  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
294 294  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
295 295  
303 +
304 +
296 296  === 2.4.3 Built-in Temperature ===
297 297  
298 298  [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
... ... @@ -305,7 +305,6 @@
305 305  
306 306  
307 307  
308 -
309 309  === 2.4.4 Built-in Humidity ===
310 310  
311 311  [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
... ... @@ -314,7 +314,6 @@
314 314  
315 315  
316 316  
317 -
318 318  === 2.4.5 Ext # ===
319 319  
320 320  Bytes for External Sensor:
... ... @@ -471,6 +471,7 @@
471 471  
472 472  
473 473  
481 +
474 474  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
475 475  
476 476  In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
... ... @@ -1053,6 +1053,8 @@
1053 1053  * RED LED when external sensor is not connected
1054 1054  * For each success downlink, the PURPLE LED will blink once
1055 1055  
1064 +
1065 +
1056 1056  == 2.9 installation ==
1057 1057  
1058 1058  (% _mstvisible="1" %)
... ... @@ -1103,6 +1103,8 @@
1103 1103  * Operating Range: -40 ~~ 125 °C
1104 1104  * Working voltage 2.35v ~~ 5v
1105 1105  
1116 +
1117 +
1106 1106  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1107 1107  
1108 1108  (((
... ... @@ -1168,6 +1168,8 @@
1168 1168  
1169 1169  * **Example 2**: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1170 1170  
1183 +
1184 +
1171 1171  == 4.2 Set External Sensor Mode ==
1172 1172  
1173 1173  Feature: Change External Sensor Mode.
... ... @@ -1189,6 +1189,8 @@
1189 1189  
1190 1190  * 0xA20702003c: Same as AT+SETCNT=60
1191 1191  
1206 +
1207 +
1192 1192  == 4.3 Enable/Disable uplink Temperature probe ID ==
1193 1193  
1194 1194  (((
... ... @@ -1216,6 +1216,8 @@
1216 1216  * **0xA800**  **~-~->** AT+PID=0
1217 1217  * **0xA801**     **~-~->** AT+PID=1
1218 1218  
1235 +
1236 +
1219 1219  == 4.4 Set Password ==
1220 1220  
1221 1221  Feature: Set device password, max 9 digits
... ... @@ -1262,6 +1262,8 @@
1262 1262  
1263 1263  * There is no downlink command to set to Sleep mode.
1264 1264  
1283 +
1284 +
1265 1265  == 4.7 Set system time ==
1266 1266  
1267 1267  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
... ... @@ -1358,6 +1358,8 @@
1358 1358  
1359 1359  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1360 1360  
1381 +
1382 +
1361 1361  == 4.13 Auto Send None-ACK messages ==
1362 1362  
1363 1363  (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
... ... @@ -1376,6 +1376,8 @@
1376 1376  
1377 1377  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1378 1378  
1401 +
1402 +
1379 1379  = 5. Battery & How to replace =
1380 1380  
1381 1381  == 5.1 Battery Type ==
... ... @@ -1828,6 +1828,8 @@
1828 1828  
1829 1829  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1830 1830  
1855 +
1856 +
1831 1831  = 8. Packing Info =
1832 1832  
1833 1833  
... ... @@ -1841,10 +1841,14 @@
1841 1841  * Device Size:  10 x 10 x 3.5 cm
1842 1842  * Device Weight: 120.5g
1843 1843  
1870 +
1871 +
1844 1844  = 9. Reference material =
1845 1845  
1846 1846  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1847 1847  
1876 +
1877 +
1848 1848  = 10. FCC Warning =
1849 1849  
1850 1850  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions: