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Triac controlling using uC

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varunme

varunme

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can i control the below triac board using uC?
Is it by making the 12V on/off ?

fxc2_hi7_p1509_01.jpg
 

Hello ,
looks like the 12V input is the control input of the board , so i believe your assumption is correct
and in this case you can control with with a uC by controlling a relay that connect 12 VDC
Regards
 
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    varunme

    varunme

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Yes you can. Just pay attention on triac dissipation and temperature, because there is no heatsink.


Best regards,
Peter

;-)
 
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    varunme

    varunme

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so.
i have to connect uC to mosfet and mosfet to this board 12V isnt it ?
 

You can even lower resistor value for optotriac diode and use 5V instead 12V.


Transistor drive optotriac:

**broken link removed**


Best regards,
Peter
 
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    varunme

    varunme

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The resistor value for optotriac diode in my board is 220R, to what value should i lower ?
 

yes,
after some calculations,
i didnt modified anything
i connected the 12V directly

it worked !!!
 

Why would you need the transistor? You could directly drive the opto LED from your microcontroller.
 

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