Institute Newton C. Braga

Circuit Bench

Temperature sensor (CB10171E)
This simple three-LED sensor uses an NTC at the input. The circuit is based on an uncommon...
Liquid Level Detector (CB5316E)
This simple circuit detects when a conductive liquid reaches the sensors. The circuit has no...
15W Inverter (CB25380E)
This circuit is from an April 1991 Radio Electronics magazine. The circuit uses power MOSFETs and...