Institute Newton C. Braga

Circuit Bench

Applause generator (CB22205E)
This interesting circuit was found in an English documentation. It generates sound similar to...
Bicycle Speed Alarm (CB13735E)
This circuit was found in an American magazine in 1978. It activates a relay when the speed of a...
Power switch Using SCR (CB23952E)
This circuit for the power grid was found in the June 1969 Radio Electronics magazine. The SCR and...