Toss (CB20959E)

This game was found in an old Popular Electronics. The unijunction transistor can be 2N2646. The supply can be done with voltages from 6 to 12 V.

| Clique na imagem para ampliar |

Varicap Modulated FM Oscillator (CB13348E)
This circuit can serve as the basis for a small FM transmitter with varicap. We found it in a...
Small experimental amplifier (CB23835E)
This circuit was obtained from the Radio Electronics magazine of August 1962. It is a tandem...
10 A NC Relay Shield (CB6015E)
This 10 A solid state relay was found in a 1980s documentation. It can work as a shield and...