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LHT65 Temperature & Humidity sensor 53 / 56
6.5 How to reset LHT65?
The LHT65 has below pins in the back.
Use a metal wire to short NRST and GND pin will reset the LHT65.
6.6 What is the frequency plan of LHT65?
LHT65 use the same frequency as other Dragino products. User can see the detail from this
link:
http://wiki.dragino.com/index.php?title=End_Device_Frequency_Band#Introduction
6.7 Why I see packet payload is 00?
Since firmware v1.8, LHT65 will send MAC command to request time, in the case if DR only
support max 11 bytes, this MAC command will be bundled to a separate uplink payload with
0x00.
7. Trouble Shooting
7.1 AT Command input doesn’t work
In the case if user can see the console output but can’t type input to the device. Please check
if you already include the <ENTER> while sending out the command. Some serial tool doesn’t
send <ENTER> after press the send key, user need to add <ENTER> in their string.
7.2 Why the temperature shows 327.67℃?
If the external sensor is 0x01, and there is no DS18B20 connected. The temperature will be
set to 7FFF which is 327.67℃. In this case, please check the connection between the