Institute Newton C. Braga

Circuit Bench

Heads or Tails 7400 (CB4882E)
This is a very simple version of heads or tails game using a TTL 7400. The circuit should be...
Intermitent Siren Using the 555 IC (MSB063E)
This siren produces an intermitent sound given by the characteristics of the two oscillators using the...
Light comparator (CB7368E)
Found in a 1968 Novel Electronics Circuit, this circuit compares two light intensities using...