Institute Newton C. Braga

Circuit Bench

5V x 500mA power supply (CB5451E)
This circuit is from an old documentation. The integrated circuit can be replaced by a modern...
Pressure Change Detector (CB22351E)
Using a period sensor, this circuit triggers a relay when pressure changes occur. The circuit is...
Traffic light with LEDs (CB17333E)
This simple experimental circuit drives LEDs in sequence. Only transistors are used, and the power...