[Question] Which GPI Pins are used ?

[Noschvie]

Hello how have the M-Bus Interface (RX, TX) to be connected to the ESP-WROOM-32 ? Want use this device : ESP32 NodeMCU

https://github.com/mitsubishievo99/esp-smartmeter-netznoe/blob/83cd244952b45712161aca232fa0c840dfb842c4/src/main.cpp#L28

Thanks!

[FKW9]

@Noschvie RX is not used on the M-Bus Slave.

You have to connect TX to GPIO16

[Noschvie]

Thanks!