An universal power block based on triac. In essence this is a solid state relay with some bells and whistles
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README.md

triac-bloc

A universal power block based on triac. In essence this is a high power solid state relay augmented with some bells and whistles.

TRIAC BLOC

Bells and whistles:

  • Attiyny44 MCU on board
  • I2C interface
  • maximum power - 6kW
  • zero crossing detection
  • controllable via I2C protocol
  • phase shift dimmer mode
  • linear output power control
  • switch at zero-crossing mode
  • output filtering for dimmer mode
  • snubber network
  • “low level” zero-crossing signal output
  • “low level” triac trigger signal input
  • 4 spare MCU pins available for additional features
  • open source hardware and firmware

More info available at: http://wemakethings.net/2013/10/27/triac-bloc/