Institute Newton C. Braga

Circuit Bench

Sound Effects Center (CB16405E)
This project was found in a documentation from 1980. It is a central of sound effects, a simple...
Automatic Night Beacon (CB14650E)
This circuit causes an LED to blink when night falls. Sensitivity is set at R1 and the blinking...
Single Voltage Reducer (CB16872E)
From different input voltages V, it is possible to reduce the voltage to several fixed values...