Search found 2 matches

by jeancarlogrim
Thu Jan 30, 2020 6:21 pm
Forum: General Discussion
Topic: AC light dimmer
Replies: 2
Views: 5011

Re: AC light dimmer

I've built an AC dimmer using interrupts. One external interrupt get triggered by the zero cross of the mains voltage and from the ISR function I scheduled a pre-configured timer to turn a pin HIGH, so that the activating the triac. Hello Gardin, I was trying to make a 60hz pwm sincronized with the...
by jeancarlogrim
Tue Jan 28, 2020 10:41 pm
Forum: General Discussion
Topic: AC light dimmer
Replies: 2
Views: 5011

AC light dimmer

Hi, I would like to develop a AC light dimmer with ESP32. I am trying to use the Led controller pwm, but I need to sync with the zero cross input on falling edge. Can anyone help me telling me how to sync the pwm with input?
Regards