Institute Newton C. Braga

Circuit Bench

CMOS Two-Tone Siren (CB18974E)
This circuit can be used as a shield when its supply is 5 V. in this case we can exchange the...
Head or Tail 4001 (CB19051E)
This simple CMOS digital game was found in an English publication in 1992. The circuit uses a...
Encoder with the 4017 (CB4528E)
This circuit was obtained from an English magazine from 1979, but can be easily assembled today...