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