Institute Newton C. Braga

Circuit Bench

4 and Half Digit LCD Display ICL7116 (CB15356E)
This circuit is from the 1983 Intersil Databook. The circuit operates on a 9 V battery and has a...
Wiring finder (CB7950E)
This circuit, from a 303 Circuits from the 90s, uses a telephone pickup coil as a sensor to...
1kHz Wien Bridge Oscillator (CB10956S)
This circuit came out in a Popular Electronics from December 1995. It is a Wien bridge...