Institute Newton C. Braga

Circuit Bench

LED Flasher 7400 (CB22150E)
This well-known configuration that appears elsewhere on the site is from an English documentation. In it,...
741 tester (CB19106E)
We found this simple operating tester 741 in a European publication in 1991. The circuit...
Strobe power supply (CB8891E)
Found in Radio Electronics, this circuit doubles the voltage of the 117V power grid to activate...