Institute Newton C. Braga

Circuit Bench

Percussion Circuit (CB20308E)
This circuit produces the sound of percussion such as blocks, drum, bell, etc. The frequency...
Radar detector (CB8628E)
Found in a 90s Electronics Engineering, this circuit makes use of components of the time. The...
Emergency Lighting (CB3845E)
We find this efficient emergency lighting system in a 1987 publication. The circuit keeps a...