help with zero crossing detection for dimming in esp gpio

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hirdeshsaxena112
Posts: 14
Joined: Fri Jun 16, 2017 1:48 am

Sun Nov 26, 2017 6:55 pm

Hello,

the code which is on github for dimmer is based on pwm which can only dim incandescent bulb not motor or inductive loads

the schematic shared by zybi is below.

Image


Please help to implement for inductive loads with zero crossing detection which requires two gpios

schematic for dimmer with zero detection

Image
Attachments
zero cross.jpg
zero cross.jpg (86.29 KiB) Viewed 93 times
AC_Dimmer_PWM.jpg
AC_Dimmer_PWM.jpg (29.52 KiB) Viewed 93 times
hirdeshsaxena112
Posts: 14
Joined: Fri Jun 16, 2017 1:48 am

Tue Dec 05, 2017 11:48 am

solved
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