Institute Newton C. Braga

Circuit Bench

DC Motor Control Stage (CB12355E)
This control stage or shield can be used with motors from 3 to 12 V and currents up to 3 A....
Solar relay (CB23641E)
By connecting several photocells in series, we can directly activate a sensitive relay, as shown in...
Medium Wave Radio (CB4458E)
The coils of this simple mid-wave radius are wound 28 or 26 on a 12 to 30 cm long ferrite rod and the...