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Last modified by Xiaoling on 2023/07/18 10:12
From version 218.1
edited by Bei Jinggeng
on 2022/11/16 15:24
Change comment: There is no comment for this version
To version 222.1
edited by Edwin Chen
on 2022/11/19 11:48
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Bei
1 +XWiki.Edwin
Content
... ... @@ -61,7 +61,6 @@
61 61  * Tri-color LED to indicate working status
62 62  * Datalog feature (Max 3328 records)
63 63  
64 -
65 65  == 1.3 Specification ==
66 66  
67 67  
... ... @@ -86,7 +86,6 @@
86 86  * ±2°C accuracy from -55°C to +125°C
87 87  * Operating Range: -55 °C ~~ 125 °C
88 88  
89 -
90 90  = 2. Connect LHT65N to IoT Server =
91 91  
92 92  
... ... @@ -244,7 +244,6 @@
244 244  * The 7th byte (EXT #): defines the external sensor model.
245 245  * 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.)
246 246  
247 -
248 248  === 2.4.1 Decoder in TTN V3 ===
249 249  
250 250  
... ... @@ -273,7 +273,6 @@
273 273  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
274 274  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
275 275  
276 -
277 277  === 2.4.3 Built-in Temperature ===
278 278  
279 279  
... ... @@ -285,7 +285,6 @@
285 285  
286 286  * Temperature:  (0xF5C6-65536)/100=-26.18℃
287 287  
288 -
289 289  === 2.4.4 Built-in Humidity ===
290 290  
291 291  
... ... @@ -293,7 +293,6 @@
293 293  
294 294  * Humidity:    0x025C/10=60.4%
295 295  
296 -
297 297  === 2.4.5 Ext # ===
298 298  
299 299  
... ... @@ -392,7 +392,6 @@
392 392  * (% 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.
393 393  * (% 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)
394 394  
395 -
396 396  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
397 397  
398 398  
... ... @@ -882,8 +882,17 @@
882 882  
883 883  ==== **Sampling multiple times and uplink together** ====
884 884  
885 -**AT+WMOD=3,1,60,20,-16,32,1**  ~/~/ Mode 3, the collection interval is 60s, the total number of collection is 20 times, and the data of these 20 times will be sent to the 20th time, with a maximum of 60 groups, the normal working temperature range is -16 to 32°C, 1 is to open the temperature alarm, 0 is to close the temperature alarm, and the temperature is turned on. After the alarm, if the temperature collected at the current time exceeds the normal working temperature, a data will be sent immediately.
878 +**AT+WMOD=3,1,60,20,-16,32,1** 
886 886  
880 +Explain:
881 +
882 +* Set Working Mode to **Mode 3**
883 +* Sampling Interval is **60**s.
884 +* 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)
885 +* Temperature alarm range is **-16** to **32**°C,
886 +* **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.
887 +
888 +
887 887  (% style="color:#4f81bd" %)**Downlink Command:**
888 888  
889 889  **Example: **A50301003C14FFF0002001
... ... @@ -905,7 +905,7 @@
905 905  
906 906  **Uplink payload( Fport=3)**
907 907  
908 -**Example: **CBEA0109920A4109C4
910 +**Example: CBEA**01**0992**//0A41//**09C4**
909 909  
910 910  BatV=CBEA
911 911  
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1037 1037  * Operating Range: -40 ~~ 125 °C
1038 1038  * Working voltage 2.35v ~~ 5v
1039 1039  
1040 -
1041 1041  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1042 1042  
1043 1043  
... ... @@ -1107,7 +1107,6 @@
1107 1107  
1108 1108  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1109 1109  
1110 -
1111 1111  == 4.2 Set External Sensor Mode ==
1112 1112  
1113 1113  
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1131 1131  
1132 1132  * 0xA20702003c: Same as AT+SETCNT=60
1133 1133  
1134 -
1135 1135  == 4.3 Enable/Disable uplink Temperature probe ID ==
1136 1136  
1137 1137  
... ... @@ -1162,7 +1162,6 @@
1162 1162  * **0xA800**  **~-~->** AT+PID=0
1163 1163  * **0xA801**     **~-~->** AT+PID=1
1164 1164  
1165 -
1166 1166  == 4.4 Set Password ==
1167 1167  
1168 1168  
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1214 1214  
1215 1215  * There is no downlink command to set to Sleep mode.
1216 1216  
1217 -
1218 1218  == 4.7 Set system time ==
1219 1219  
1220 1220  
... ... @@ -1323,7 +1323,6 @@
1323 1323  
1324 1324  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1325 1325  
1326 -
1327 1327  == 4.13 Auto Send None-ACK messages ==
1328 1328  
1329 1329  
... ... @@ -1342,7 +1342,6 @@
1342 1342  
1343 1343  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1344 1344  
1345 -
1346 1346  == 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1347 1347  
1348 1348  
... ... @@ -1816,7 +1816,7 @@
1816 1816  [[image:image-20220623113959-5.png||height="528" width="397"]]
1817 1817  
1818 1818  (% _msthash="506146" _msttexthash="52173160" %)
1819 -Connect A5 and GND with Dupont wire for a while and then separate
1814 +Connect A8 and GND with Dupont wire for a while and then separate，enter reset mode
1820 1820  
1821 1821  
1822 1822  
... ... @@ -1833,7 +1833,7 @@
1833 1833  [[image:image-20220620160723-8.png]]
1834 1834  
1835 1835  
1836 -Finally,restart reset device again
1831 +Finally,Disconnect 3.3v，Connect A8 and GND with Dupont wire for a while and then separate，exit reset mode
1837 1837  
1838 1838  
1839 1839  
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1857 1857  
1858 1858  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1859 1859  
1860 -
1861 1861  = 8. Packing Info =
1862 1862  
1863 1863  
... ... @@ -1868,16 +1868,14 @@
1868 1868  
1869 1869  **Dimension and weight**:
1870 1870  
1871 -* Device Size:  10 x 10 x 3.5 cm
1865 +* Device Size:  10 x 10 x 3.5 mm
1872 1872  * Device Weight: 120.5g
1873 1873  
1874 -
1875 1875  = 9. Reference material =
1876 1876  
1877 1877  
1878 1878  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1879 1879  
1880 -
1881 1881  = 10. FCC Warning =
1882 1882  
1883 1883