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

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Edwin
1 +XWiki.Bei
Content
... ... @@ -61,6 +61,7 @@
61 61  * Tri-color LED to indicate working status
62 62  * Datalog feature (Max 3328 records)
63 63  
64 +
64 64  == 1.3 Specification ==
65 65  
66 66  
... ... @@ -85,6 +85,7 @@
85 85  * ±2°C accuracy from -55°C to +125°C
86 86  * Operating Range: -55 °C ~~ 125 °C
87 87  
89 +
88 88  = 2. Connect LHT65N to IoT Server =
89 89  
90 90  
... ... @@ -242,6 +242,7 @@
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  
247 +
245 245  === 2.4.1 Decoder in TTN V3 ===
246 246  
247 247  
... ... @@ -270,6 +270,7 @@
270 270  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
271 271  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
272 272  
276 +
273 273  === 2.4.3 Built-in Temperature ===
274 274  
275 275  
... ... @@ -281,6 +281,7 @@
281 281  
282 282  * Temperature:  (0xF5C6-65536)/100=-26.18℃
283 283  
288 +
284 284  === 2.4.4 Built-in Humidity ===
285 285  
286 286  
... ... @@ -288,6 +288,7 @@
288 288  
289 289  * Humidity:    0x025C/10=60.4%
290 290  
296 +
291 291  === 2.4.5 Ext # ===
292 292  
293 293  
... ... @@ -386,6 +386,7 @@
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  
395 +
389 389  ==== 2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable) ====
390 390  
391 391  
... ... @@ -875,17 +875,8 @@
875 875  
876 876  ==== **Sampling multiple times and uplink together** ====
877 877  
878 -**AT+WMOD=3,1,60,20,-16,32,1** 
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.
879 879  
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 -
889 889  (% style="color:#4f81bd" %)**Downlink Command:**
890 890  
891 891  **Example: **A50301003C14FFF0002001
... ... @@ -907,7 +907,7 @@
907 907  
908 908  **Uplink payload( Fport=3)**
909 909  
910 -**Example: CBEA**01**0992**//0A41//**09C4**
908 +**Example: **CBEA0109920A4109C4
911 911  
912 912  BatV=CBEA
913 913  
... ... @@ -1039,6 +1039,7 @@
1039 1039  * Operating Range: -40 ~~ 125 °C
1040 1040  * Working voltage 2.35v ~~ 5v
1041 1041  
1040 +
1042 1042  = 4. Configure LHT65N via AT command or LoRaWAN downlink =
1043 1043  
1044 1044  
... ... @@ -1108,6 +1108,7 @@
1108 1108  
1109 1109  * **Example 2**: Downlink Payload: 0100003C  ~/~/ Set Transmit Interval (TDC) = 60 seconds
1110 1110  
1110 +
1111 1111  == 4.2 Set External Sensor Mode ==
1112 1112  
1113 1113  
... ... @@ -1131,6 +1131,7 @@
1131 1131  
1132 1132  * 0xA20702003c: Same as AT+SETCNT=60
1133 1133  
1134 +
1134 1134  == 4.3 Enable/Disable uplink Temperature probe ID ==
1135 1135  
1136 1136  
... ... @@ -1161,6 +1161,7 @@
1161 1161  * **0xA800**  **~-~->** AT+PID=0
1162 1162  * **0xA801**     **~-~->** AT+PID=1
1163 1163  
1165 +
1164 1164  == 4.4 Set Password ==
1165 1165  
1166 1166  
... ... @@ -1212,6 +1212,7 @@
1212 1212  
1213 1213  * There is no downlink command to set to Sleep mode.
1214 1214  
1217 +
1215 1215  == 4.7 Set system time ==
1216 1216  
1217 1217  
... ... @@ -1320,6 +1320,7 @@
1320 1320  
1321 1321  * Example: 0xA301  ~/~/  Same as AT+CLRDTA
1322 1322  
1326 +
1323 1323  == 4.13 Auto Send None-ACK messages ==
1324 1324  
1325 1325  
... ... @@ -1338,6 +1338,7 @@
1338 1338  
1339 1339  * Example: 0x3401  ~/~/  Same as AT+PNACKMD=1
1340 1340  
1345 +
1341 1341  == 4.14 Modified WMOD command for external sensor TMP117 or DS18B20 temperature alarm（Since firmware 1.3.0） ==
1342 1342  
1343 1343  
... ... @@ -1811,7 +1811,7 @@
1811 1811  [[image:image-20220623113959-5.png||height="528" width="397"]]
1812 1812  
1813 1813  (% _msthash="506146" _msttexthash="52173160" %)
1814 -Connect A8 and GND with Dupont wire for a while and then separate，enter reset mode
1819 +Connect A5 and GND with Dupont wire for a while and then separate
1815 1815  
1816 1816  
1817 1817  
... ... @@ -1828,7 +1828,7 @@
1828 1828  [[image:image-20220620160723-8.png]]
1829 1829  
1830 1830  
1831 -Finally,Disconnect 3.3v，Connect A8 and GND with Dupont wire for a while and then separate，exit reset mode
1836 +Finally,restart reset device again
1832 1832  
1833 1833  
1834 1834  
... ... @@ -1852,6 +1852,7 @@
1852 1852  
1853 1853  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1854 1854  
1860 +
1855 1855  = 8. Packing Info =
1856 1856  
1857 1857  
... ... @@ -1862,14 +1862,16 @@
1862 1862  
1863 1863  **Dimension and weight**:
1864 1864  
1865 -* Device Size:  10 x 10 x 3.5 mm
1871 +* Device Size:  10 x 10 x 3.5 cm
1866 1866  * Device Weight: 120.5g
1867 1867  
1874 +
1868 1868  = 9. Reference material =
1869 1869  
1870 1870  
1871 1871  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
1872 1872  
1880 +
1873 1873  = 10. FCC Warning =
1874 1874  
1875 1875