This 9-pixel circuit has been implemented with 9 LDRs and can be coupled to a processing system for an elementary artificial eye. The circuit is from Radio Electronics, November 1986.
This class B push-pull amplifier circuit with a few hundred milliwatts of power was found in an...
This simple regulator provides a voltage of 5 V with a current of up to 10 A. The transistor must...
This micro FM transmitter uses a tunnel diode as an oscillator. I found it in an English...