Found in an 80's Hands On Electronics, this circuit turns on a light when it gets dark and goes out when it gets dark. The circuit can be adapted to use high-brightness white LEDs.
This circuit for the 1750 m band was published in the September 1989 Radio Electronics magazine. The...
The purpose of this circuit is to disconnect the battery in case of an excessive charge current,...
This circuit was originally designed to operate with the alarm CIR12065 which has a tone output. It...