I tried to build a simple LED circuit that is going to operate from 9V battery. When NC switch is closed I wouldn't want to draw any current, but this NC switch opens turns on red LED. Circuit I build was heating up the battery. My only requirements are low power consumption (so battery can last...
Hi,
I'm trying to build a box that will simulate 0-5V signal.I'm using this signal as a remote temperature set point for a heat exchanger. I have already tried it using DC power supply and potentiometer in series and it works. Now I'm wondering if there is a driver chip that will do same?Thanks