MicroPython Forum (Archive)

hi i have used the attached circuit diagram https://www.google.lk/imgres?imgurl=https%3A%2F%2Fcdn.instructables.com%2FORIG%2FFXN%2F117Q%2FIMGLKAS4%2FFXN117QIMGLKAS4.jpg&imgrefurl=https%3A%2F%2Fwww.eevblog.com%2Fforum%2Fprojects%2Fac-rectified-dc-mosfet-dimmer%2F&docid=C-xdS0YyixCahM&tbnid=U-DtT5WHvg...

hi, i have written a python script on esp-01 to generate pwm signal to a gpio. so that works perfectly with LED. but when i connect that gpio to a MOSFET (IRF840) through optocoupler as a Ac230v dimmer, sometimes it works, but sometimes the flie system crashes and stops working. when i listdir() it ...