Allex Serial Network Protocol router device based on stm32 board(blue pill) and arduino libs(STM32GENERIC)
STM32 board - blue pill(or another with simillar pinout)
DC-DC converter(default PCB based on LM2596)
PCB designed to use with cheap plastic case:
Arduino Libs:
https://github.com/AllexSmartHouse/STM32GENERIC
Use ST-Link
Settings:
Board: Blue pill
USB: Disabled, No usb
Serial communication: SerialUART1
JTAG/SWD debugging: SWD
Upload method: ST-Link