What if I do this..??That circuit is for on/offI found another circuit where they are doing it in this way..Another similar circuit hereThat's for "random fire". OK1 is your zero-cross detector. OK2 is the triac driver, but for your motor (Inductive load!) you need to add a snubber across the power triac and a snubber on the triac driver output, too. See "page 5 of 9" >>>>> http://www.jameco.com/Jameco/Products/ProdDS/277835FSC.pdf
those are ready to use modules..I know about them..But I would like to control it with arduino for other reasons..... You can say a kind of home automation..
I would like to use arduino to control the household fan speed which runs on 230V A.C. ...How will I control the fan speed from the PWM outputs of the arduino board..??What components should I use to fire a triac for the regulation..??
how to control single phase ac fan using arduino,any body have circuit diagram and sample code pls post if u have.
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