This circuit is from an 80's Radio Electronics. The circuit has several output options for 50 mA currents with load indicator through LEDs.
Found in documentation from the 1980s, this circuit can be used with other operational ones. The...
This circuit warns you if you forget to turn off the car light and leave it. The circuit is from a...
We find this efficient emergency lighting system in a 1987 publication. The circuit keeps a...