Ok, so I have the a few of these 5 pin relays, the oil pressure sensor, the LOUD two-tone buzzer and got it all wired up and it works great. HOWEVER...
The circuit as designed will beep when the ignition switch is on and there is no oil pressure. As in when you first turn on the ignition and haven't started it yet. This will not be suitable for anyone the way it is. I need to figure out a way for the circuit to know when the engine is not running. (or IS running) Any Ideas?
