The primary buffer cap (7805 input) seems small for ~200mA current draw (two relays + MCU).
Depending on AC voltage, 470uF/16v could be a minimum value. 1000uF would be better.
So what value have you used.
Leo..
The primary buffer cap (7805 input) seems small for ~200mA current draw (two relays + MCU).
Depending on AC voltage, 470uF/16v could be a minimum value. 1000uF would be better.
So what value have you used.
Leo..