Xenon Flash (CB25961E)

This circuit is designed to trigger a xenon lamp from a switch. The circuit was found in the May 1996 issue of Electronics Now magazine.

Undervoltage and overvoltage indicator (CB5073E)
This circuit that uses only transistors indicates when the voltage in the circuit has the voltage...
Robot Bug (CB25466E)
This is the circuit of a robot published in the June 1992 issue of Radio Electronics magazine. The sensors...
Tone Decoder (CB5146E)
This circuit was found in a 1980s documentation. It decodes by identifying a certain frequency tone...