Institute Newton C. Braga

Circuit Bench

Isolated Shield for Motors or Relays (CB23724E)
To control relays or DC motors safely with double isolation via the parallel port, we suggest the...
Toy Organ (CB5345E)
This vibrato circuit appears elsewhere on this site. The circuit is from an old American...
emperature Control (CB14778E)
T We found this circuit in the 1960 Mullard transistor application manual. The circuit can be...