djiems Posted May 6, 2011 Report Share Posted May 6, 2011 how to control a 40-100 watt 240 volts lamp using a 5 volt ,10mA from PIC microcontroller.maybe by using a triac or by using a relay.how could be the circuit if we want 5 levels dimmer...? Quote Link to comment Share on other sites More sharing options...
Hero999 Posted May 6, 2011 Report Share Posted May 6, 2011 It's easy, use phase control.http://en.wikipedia.org/wiki/Phase_controlTo adjust the brightness, alter the delay of firing of the thyristor, the later the firing, the dimmer it will be. Quote Link to comment Share on other sites More sharing options...
Dianaiaxy Posted July 5, 2011 Report Share Posted July 5, 2011 It's easy, use phase control.http://en.wikipedia.org/wiki/Phase_controlTo adjust the brightness, alter the delay of firing of the thyristor, the later the firing, the dimmer it will be.Thank you very much about your suggestion. I want to try. Quote Link to comment Share on other sites More sharing options...
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