Institute Newton C. Braga

Circuit Bench

Wow Wow Guitar Pedal (CB10249E)
This circuit was found in an English magazine from 1978, but it is still current, just change the...
SCR Timer (CB10583E)
This circuit was found in a 1974 English magazine. We can also assemble it using BC558 transistor for...
Operational Half Wave Rectifier 2 (CB14841E)
This circuit can use almost any operating system and has a high input impedance. The power supply...