Can some one tell me how to design optocoupler relay PCB aur pls send me schematic . My development board is giving 3.3V for triggering the relay voltage can someone help me or just tell me how to find all these value .
Can some one tell me how to design optocoupler relay PCB aur pls send me schematic . My development board is giving 3.3V for triggering the relay voltage can someone help me or just tell me how to find all these value .