Electronics Dice 4017 (CB26047E)

This circuit was found in the May 1998 issue of Electronics Now magazine. The circuit drives a set of LEDs.

Instrumentation AC Amplifier (CB12124E)
This circuit was obtained in a 1979 publication. The operational amplifier is of the type with...
Transducer 555 Oscillator (CB8119E)
This circuit was obtained in a 90’s Popular Electronics. The frequency depends on C1, a component...
2-Tone Siren (CB18189E)
Because it uses TTL integrated circuits, this siren must be powered by 5 V or as indicated with D1 to...