Institute Newton C. Braga

Circuit Bench

Indicator Light 555 (CB13608E)
When the input of this circuit goes to high level, the LEDs start to flash alternately. The...
Two Transistors Manual Siren (CB15855E)
This circuit already incorporates the amplification stage, since the oscillator is of the type of...
Immobilizer (CB6039E)
This immobilizer circuit for vehicles was found in a 80’s Hands On Electronics. The circuit...