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Need help on firing triac for IR fan speed controller

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Taswar

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Hi all,
I am trying to build an IR fan speed controller using SIRC protocol. I've already done the part where the microcontroller uses the IR receiver and decodes which button has been pressed. I am using PIC12F675. Since the has to be physically very small, I need to drive the triac without an MOC3021. I've seen another similar available product and there the circuit was like this. How do I drive the triac now. I can't understand how to drive the triac. Can someone please help me?

 

want to make a wireless fan speed controller using microcontroller...plz can ne1 provide me the circuit and the code for it pllzzzz......urgently!
thnx in advance!
 

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