This car anti-theft circuit is from a Radio Electronics magazine from May 1986. The circuit inhibits the ignition system of cars with mechanical switching systems.
This small FM transmitter for clandestine listening has a good range and should be powered by a 9...
This circuit has a high input impedance and provides a good signal at its output. The power must...
This traditional metronome configuration uses unusual transistors in the original version, but it...