4060 XTAL Oscillator (CB22401E)

We found this oscillator in an old documentation. The crystal frequency can be different to get other output frequencies.

Turns Counter (CB18037E)
This is a project that can easily be adapted for other purposes such as counting people, objects,...
Receiver For Modulated Light (CB10672E)
This circuit is from a PopularElectronics of June 1992. The magazine no longer exists, but the...
Spring Line Delayed Reverb (CB5969E)
This circuit makes use of a mechanical delay line to produce the reverberation effect. This is a...