Institute Newton C. Braga

Circuit Bench

TTL Soccer Lottery (CB15630E)
The circuit presented is a game based on an integrated TTL of type 7473. In the figure we have a...
4.8 MHz TTL Oscillator (CB13857E)
The integrated circuit of this 1976 configuration is the 7400 and the type crystal in televisions of the...
Heating Element Control (CB25877E)
This triac circuit was found in the July 1995 Electronics Now magazine. The triac is based on the...