Electronic Fuse (CB25411E)

This circuit was found in the December 1991 issue of Radio Electronics magazine. The circuit is based on a current transformer driving a SCR.

| Clique na imagem para ampliar |

Projector control (CB8299E)
This old slide projector control circuit was found in an 80s Hands On. The circuit uses modern...
SUS Frequency Divider (CB19903E)
In the figure we have a circuit that uses unusual components, being indicated for low frequency...
Rain alarm (CB6955E)
The sensor of this circuit found in Popular Electronics can be formed by a piece of fabric between two...