This circuit provides a few watts of output and can be used in the car as an auxiliary amplifier. Transistors must be mounted on heatsinks and the speaker can be 4 ohms or 8 ohms.
This flip-flop circuit is from a September 1985 issue of Radio Electronics magazine. It generates...
Based on a JFET, this sensitive light relay was found in old English documentation. The supply...
This '80s circuit drives an infrared LED, producing a modulated signal. Modern higher power LEDs...