Sewing Machine Control (CB26032E)

This sewing machine motor control was found in the December 1997 Electronics Now magazine. The half-wave circuit uses a 106-type SCR.

| Clique na imagem para ampliar |

Frequency to voltage converter (CB6961E)
This circuit is from an old Elektor using components that are not currently common. The circuit is...
One Transistor Timer BC548 (CB791E)
Pressing S1 the LED glows by a time interval depending on the capacitor. Time intervals in the...
Flasher 741 (CB16376E)
Here we have an interesting circuit found in a 1981 publication that causes two LEDs to flash...