naimidrees
New Member
hello
Dear I m using 89c51. i want to drive 12 5 volt relays. i m using 2n2907 and 4.7k resistance but relay is not opreate.
pls help me.
Dear I m using 89c51. i want to drive 12 5 volt relays. i m using 2n2907 and 4.7k resistance but relay is not opreate.
pls help me.