M-Bus UART converter

Simple M-Bus to 3.3V UART level converter for 1..3 M-Bus slave devices.

Features

  • M-Bus voltage: 34V
  • M-Bus slaves: 1..3
  • UART level: 3.3V
  • UART interface: standard 0,1″ FTDI header
  • Supply voltage: 34VDC
  • Short circuit protection: none
  • Single layer PCB

Resources

Status

  • First home-made SMD prototype is working