Institute Newton C. Braga

Circuit Bench

20 to 200 ms steps for stepper motor (CB21415E)
This circuit is from an old American documentation. The circuit generates 20 to 200 ms steps for...
White LED Flasher (CB20426E)
This circuit, found in American documentation, works as a voltage doubler, enabling the supply of a...
Signal injector (CB21649E)
This circuit was taken from a Popular Electronics from January 1967. Transistors are from the...