Solar intercom (CB20503E)

This circuit can be used in demonstrations or science fairs. The circuit uses headphones and can be powered by solar cells.

Remote Control Encoder (CB17014E)
This circuit, from a 1997 documentation, is based on a pair of Motorola MC14026 dedicated...
Debounced Switch (CB1524E)
We find this circuit in a 1978 documentation. The circuit uses two inverters of a 4049 integrated...
Linear ramp generator (CB10041E)
This circuit was found in a Motorola documentation from the 70s. The components are from the time,...