Institute Newton C. Braga

Circuit Bench

Light Alarm (CB12494E)
Found in a 1980 publication, this circuit triggers a power lamp, making it blink when light hits...
First pulse preserver (CB9259E)
This circuit was found in a 1967 EEE. The components are from that time, but the circuit can be...
2-Transistor Receiver (CB18845E)
The circuit shown was found in a Japan publication from the 1960s. The transistors can be of any...