This triac circuit was found in the October 1987 Radio Electronics magazine. The triac is load-dependent and must be mounted on a heat sink.
This high input impedance circuit was found in a Popular Electronics of the 90s. The circuit...
This circuit is intended for calls to the deaf and is indicated in an old English documentation. LEDs can be...
This circuit is based on a regulator component that consists of a transistor and zener in the same...