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Last modified by Xiaoling on 2023/07/18 10:12
From version 221.1
edited by Bei Jinggeng
on 2022/11/17 16:54
Change comment: There is no comment for this version
To version 217.3
edited by Xiaoling
on 2022/11/12 17:24
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
... ... @@ -61,6 +61,8 @@
61 61  * Tri-color LED to indicate working status
62 62  * Datalog feature (Max 3328 records)
63 63  
64 +
65 +
64 64  == 1.3 Specification ==
65 65  
66 66  
... ... @@ -85,6 +85,8 @@
85 85  * ±2°C accuracy from -55°C to +125°C
86 86  * Operating Range: -55 °C ~~ 125 °C
87 87  
90 +
91 +
88 88  = 2. Connect LHT65N to IoT Server =
89 89  
90 90  
... ... @@ -242,6 +242,8 @@
242 242  * The 7th byte (EXT #): defines the external sensor model.
243 243  * 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.)
244 244  
249 +
250 +
245 245  === 2.4.1 Decoder in TTN V3 ===
246 246  
247 247  
... ... @@ -270,6 +270,8 @@
270 270  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
271 271  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
272 272  
279 +
280 +
273 273  === 2.4.3 Built-in Temperature ===
274 274  
275 275  
... ... @@ -281,6 +281,8 @@
281 281  
282 282  * Temperature:  (0xF5C6-65536)/100=-26.18℃
283 283  
292 +
293 +
284 284  === 2.4.4 Built-in Humidity ===
285 285  
286 286  
... ... @@ -288,6 +288,8 @@
288 288  
289 289  * Humidity:    0x025C/10=60.4%
290 290  
301 +
302 +
291 291  === 2.4.5 Ext # ===
292 292  
293 293  
... ... @@ -386,6 +386,8 @@
386 386  * (% 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.
387 387  * (% 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)
388 388  
401 +
402 +
389 389  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
390 390  
391 391  
... ... @@ -973,6 +973,7 @@
973 973  * RED LED when external sensor is not connected
974 974  * For each success downlink, the PURPLE LED will blink once
975 975  
990 +
976 976  == 2.9 installation ==
977 977  
978 978  
... ... @@ -1030,6 +1030,8 @@
1030 1030  * Operating Range: -40 ~~ 125 °C
1031 1031  * Working voltage 2.35v ~~ 5v
1032 1032  
1048 +
1049 +
1033 1033  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1034 1034  
1035 1035  
... ... @@ -1099,6 +1099,8 @@
1099 1099  
1100 1100  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1101 1101  
1119 +
1120 +
1102 1102  == 4.2 Set External Sensor Mode ==
1103 1103  
1104 1104  
... ... @@ -1122,6 +1122,8 @@
1122 1122  
1123 1123  * 0xA20702003c: Same as AT+SETCNT=60
1124 1124  
1144 +
1145 +
1125 1125  == 4.3 Enable/Disable uplink Temperature probe ID ==
1126 1126  
1127 1127  
... ... @@ -1152,6 +1152,8 @@
1152 1152  * **0xA800**  **~-~->** AT+PID=0
1153 1153  * **0xA801**     **~-~->** AT+PID=1
1154 1154  
1176 +
1177 +
1155 1155  == 4.4 Set Password ==
1156 1156  
1157 1157  
... ... @@ -1203,6 +1203,8 @@
1203 1203  
1204 1204  * There is no downlink command to set to Sleep mode.
1205 1205  
1229 +
1230 +
1206 1206  == 4.7 Set system time ==
1207 1207  
1208 1208  
... ... @@ -1311,6 +1311,8 @@
1311 1311  
1312 1312  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1313 1313  
1339 +
1340 +
1314 1314  == 4.13 Auto Send None-ACK messages ==
1315 1315  
1316 1316  
... ... @@ -1329,6 +1329,8 @@
1329 1329  
1330 1330  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1331 1331  
1359 +
1360 +
1332 1332  == 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1333 1333  
1334 1334  
... ... @@ -1802,7 +1802,7 @@
1802 1802  [[image:image-20220623113959-5.png||height="528" width="397"]]
1803 1803  
1804 1804  (% _msthash="506146" _msttexthash="52173160" %)
1805 -Connect A8 and GND with Dupont wire for a while and then separate，enter reset mode
1834 +Press and hold the start key to restart and enter  (% _mstvisible="1" %)bootlaod(%%) mode.
1806 1806  
1807 1807  
1808 1808  
... ... @@ -1819,7 +1819,7 @@
1819 1819  [[image:image-20220620160723-8.png]]
1820 1820  
1821 1821  
1822 -Finally,Disconnect 3.3v，Connect A8 and GND with Dupont wire for a while and then separate，exit reset mode
1851 +Finally,restart reset device again
1823 1823  
1824 1824  
1825 1825  
... ... @@ -1843,6 +1843,8 @@
1843 1843  
1844 1844  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1845 1845  
1875 +
1876 +
1846 1846  = 8. Packing Info =
1847 1847  
1848 1848  
... ... @@ -1853,14 +1853,18 @@
1853 1853  
1854 1854  **Dimension and weight**:
1855 1855  
1856 -* Device Size:  10 x 10 x 3.5 mm
1887 +* Device Size:  10 x 10 x 3.5 cm
1857 1857  * Device Weight: 120.5g
1858 1858  
1890 +
1891 +
1859 1859  = 9. Reference material =
1860 1860  
1861 1861  
1862 1862  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1863 1863  
1897 +
1898 +
1864 1864  = 10. FCC Warning =
1865 1865  
1866 1866