controlling firing angle of triac using mc

Discussion in 'The Projects Forum' started by abi01shek, Jan 6, 2009.

  1. abi01shek

    Thread Starter New Member

    Nov 24, 2008
    how to control the firing angle of a triac using mc. i have to vary speed of an AC motor based on temperature. i have finished the temperature measurement part and am yet to complete the firing angle part. thanks
  2. beenthere

    Retired Moderator

    Apr 20, 2004
    You may find it will help to have a zero crossing detector to assist in determining the phase angle.
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