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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 185.2
edited by Xiaoling
on 2022/06/29 13:55
Change comment: There is no comment for this version

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160 160  [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
161 161  
162 162  
163 +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  
... ... @@ -264,8 +264,6 @@
264 264  * The 7th byte (EXT #): defines the external sensor model.
265 265  * 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.)
266 266  
267 -
268 -
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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296 296  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
297 297  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
298 298  
299 -
300 -
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"]]
... ... @@ -308,8 +308,6 @@
308 308  
309 309  * Temperature:  (0xF5C6-65536)/100=-26.18℃
310 310  
311 -
312 -
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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316 316  
317 317  * Humidity:    0x025C/10=60.4%
318 318  
319 -
320 -
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)
458 +[[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)
460 +* Poll Message Flag:  1: This message is a poll message reply, 0: means this is a normal uplink.
461 +* 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.
462 +* 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 -
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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519 519  [[image:image-20220628151143-7.png]]
520 520  
521 521  
522 -
523 523  == 2.5 Show data on Datacake ==
524 524  
525 525  (((
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579 579  
580 580  There are two methods:
581 581  
582 -1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specifying time range.
583 -1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after the network recovery.
569 +1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
570 +1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover.
584 584  
585 -Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
586 -
587 -[[image:image-20220703111700-2.png||height="381" width="1119"]]
588 -
589 -
590 590  === 2.6.2 Unix TimeStamp ===
591 591  
592 592  
... ... @@ -1027,21 +1027,8 @@
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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1830 1830  
1831 1831  * (% style="color:red" %)**E3**(%%): External Temperature Probe
1832 1832  
1802 +
1803 +
1804 +
1805 +
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  
1819 +
1820 +
1821 +
1822 +
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  
1827 +
1828 +
1829 +
1830 +
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:
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