Was hoping to use two (2) of these sensors and have a few basic wiring questions... Sensor is Fairchild QRB1134 infrared photoreflector ... tried to attach a data sheet... My thoughts were to hook up: (C) COLLECTOR digital input pin and10k pull up resistor to 5V (E) EMITTER ground (K) CATHODE …

infrared photoreflector sensor

CarlW November 6, 2012, 10:14pm 3

That is a great staring point, thanks.

Doh... google circuit...