reflective object sensor.
* Phototransistor output
* No contact surface sensing
* Daylight filter on the sensor
* Emitter = 940 nm
2001 Fairchild Semiconductor Corporation DS300.
The QRE00034 reflective object sensor consists of an infrared emitting diode and an NPN phototransistor mounted side by side on a converging optical axis in a black housing. The phototransistor responds to radiation from the emitting diode only when .
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