AC Heater Controller

Project Description: This board control any resistive load to automatically adjust the output power according to AC main fluctuations. It is intended to be used on heaters. The board has a TRIAC AC Switch which its gate is triggered by a micro-controller. With this combination it can only decrease output power.

Key Components:

  • BTA24600 or BTA25600
  • PIC12F683
  • MOC3023


Transformerless Closed Loop Design:


Open Loop Control:

Completed Protoype:

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