Institute Newton C. Braga

Circuit Bench

Water Temperature Gauge (CB25337E)
This 3-digit digital gauge was found in the July 1900 issue of Radio Electronics magazine. The...
Output stage with the AC117 (CB4278E)
This step is also suitable for the AC188k and SK3004 transistors and was found in a 1980s...
Monostable Optical Shield (CB16925E)
Capacitor C and resistor R in this circuit determine the time the output remains at the high level...