This 80's circuit uses a small light bulb as an indicator, but an LED with the appropriate resistor can be employed. The operational may also be more modern. Resistors R1 and R2 determine the switching point.
CB4222E3w
This 80's circuit uses a small light bulb as an indicator, but an LED with the appropriate resistor can be employed. The operational may also be more modern. Resistors R1 and R2 determine the switching point.
CB4222E3w