User's Manual

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LHT65 Temperature & Humidity sensor 31 / 40
5. FAQ
5.1 How to upgrade the firmware?
The LHT65 is shipped with a program cable, which is used to upload image to LHT65 for:
 Support new features
 For bug fix
 Change LoRaWAN bands.
Video Instruction is here: https://youtu.be/0xpSWTCuDGQ
The latest firmware and changelog can be found at below link:
http://www.dragino.com/downloads/index.php?dir=LHT65/Firmware/
Below shows the hardware connection for how to upload an image to the LHT65:
Connection:
 ST-LINK v2 GND <--> Dupont black pin
 ST-LINK v2 SWCLK <--> Dupont green pin
 ST-LINK v2 RESET <--> Dupont red pin
 ST-LINK v2 SWDIO <--> Dupont white pin