update README

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pvvx 2024-12-10 11:04:17 +03:00
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@ -110,6 +110,8 @@ The sensors are detected automatically, but have different ports depending on th
## Firmware
* [Programming the key fob with ST17H66B is described separately](https://github.com/pvvx/THB2/issues/94#issuecomment-2529295288)
It is possible to flash the device with the Boot program via USB-COM adapter with 3.3V outputs.
1. Connect GND, TX, RX, RTS-RESET, VCC (+3.3B):