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DM103 LIN Bus

This is a general µC + LCD board, which has been configured as LIN bus master. The OLED display shows the last eight received LIN bus packets (2..8 bytes data).

Usage

  1. There's not much to do, just plug it into an expansion base.

Connections

Left I/O Right Bus
IO-1 N/C BUS-A LIN
IO-2 N/C BUS-B N/C
IO-3 N/C BUS-C N/C
IO-4 N/C BUS-D N/C
GND +3.3V +5V GND
√ N/C IN N/C

Board

This module was manually constructed using a 7x3 cm proto board.

Components

  • WeAct STM32C011F6 board see GitHub and AliExpress
  • some "machined pin" headers to allow adding jumpers for special use cases

Schematics

  • WeAct STM32C011F6: see GitHub

Software

See https://codeberg.org/jcw/dobb/src/branch/main/mods/dm10x/linbus.cpp.