Microcontroller controlled dimmer (CB25087E)

This circuit was found in a Radio Electronics magazine from October 1987. It can be used as a shield for incandescent and heating elements.

| Clique na imagem para ampliar |

Tone generator and inductance tester (CB23636E)
This 1-transistor oscillator circuit was found in the March 1965 Radio Electronics magazine. The...
SCR Power Switch (CB16417E)
This circuit shows how to control a power load using a low current switch. The circuit is half...
Matrix Switching (CB15407E)
This circuit shows how it is possible to control 9 loads with only 6 Triacs using the matrix...