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Help me make a 220AC pid temperature controller as promised in your youtube video - Electronoobs Q&A

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+1 vote
Am building an arduino based barrel heater temperature controller.the mains supply in zambia is 220 volts,kindly help as as possible.Alternatively,help me build a Triac based circuit for interfacing the arduino output to the 220 ac heaters.
asked in Arduino by (250 points)

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That video is on my to do list but not yet made... Look at my TRIAC control video: and with the PID video: You could create the conteroller.

Imagine this: the PWM signal from the PID video applied to the TRIAC in the TRIAC video. Keep up!
answered by (23.2k points)
I tried implementing the TRIAC circuit with a potentiometer and bulb but it was not dimming the bulb,infact, the bulb just showed a bit of some light and then remained off for good.i urgently need your help with the PID temperature controller and triac circuit arrangements,am doing a project which must work today.

Kindly give me your emails so that we can be exchanging messages.
I have made the triac circuit and it is able to dimme the bulb,now,how do i implement the setting of digital pin 8 to trigger an interrupt on state change in the PID temperature without control?

I am working on my final year project and i have run out of time,kindly help.
The pid code does not have a way of detecting the zero crossing and such the Triac is not being triggered as expected