Institute Newton C. Braga

Circuit Bench

Infrared Remote Control Receiver (CB18724E)
This receiver can be used with the CB18723E transmitter or other modulated infrared transmitters in this...
Photometer (CB7911E)
This light meter or photometer was found in an American documentation from the 90s. The comparator...
Ultrasonic remote control transmitter (CB8397E)
Found in a 90s Popular Electronics, this circuit excites a 40 kHz ultrasonic transducer. The...