Technical documentation Buy on-line


Light bus interface

This bus is available only on the CM3-HOME-F model and implements a hardware interface commonly used to connect some commercial DALI devices.

What is the DALI bus ?

Warning: CM3-Home is not a certified DALI controller !
An open hardware is implemented on it so we can't warranty the fully functionality with any DALI devices


  • Signals available on two screw terminals
  • Bus opto-isolated from the CPU side
  • Power supply provided on the bus for up to 16 devices without need an external power supply
  • Bus managed in bit banging mode
  • Available only on CM3-HOME-F


Sergio Tanzilli
System designer and Acme co-founder
Personal email:
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Github repositories: and

Technical documentation Buy on-line

Bruna Mandolino