Institute Newton C. Braga

Circuit Bench

LED Display for ASCII Code (CB13762E)
This circuit was found in a 1977 documentation. With it we have the direct indication, through LEDs...
Piezoelectric Transducer Amplifier (CB14093E)
We found the circuit below in the Linear Applications Handbook by National Semiconductor. The...
Tachometer and Dwell Meter (CB20066E)
This tachometer and dwell meter for old cars was found in a 1975 documentation. The circuit is a...