This simple power supply circuit triggers when the light on the LDR reaches the level set on the potentiometer. The circuit is from an Electronics Now from July 1995.
This circuit can be used with any auio amplifier, converting it into a AM receiver. Antenna is a...
This circuit was designed to power the previous circuits of the wireless sound system, but it can...
This circuit is from the Motorola Linear Databook published in 1990. The circuit for 1 kHz can be...