in where do I find and how do I tell if it is a 5v regulator?
I need to find a five v regulator(7805) for a portable 9v battery charger and i cant go out and buy one. can someone tell me in what device i can find a resistor(specifically 5v). And i need to know how to tell if it is a 5V Regulator. heres one i found.. does it look like a 5v?