Institute Newton C. Braga

Circuit Bench

Electronic Piggy Bank (CB16268E)
Only the right combination of the positions of the 6 rotary switches of 1 pole x 10 positions of...
Transistor Infrared Sensor (CB4581E)
In the figure we have more circuit that makes use of transistors and that has excellent...
0 to 30 V 1 A protected power supply (CB25233E)
This power supply was found in the September 1989 issue of Radio Electronics magazine. The 2N3055...