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Description
Description
Infrared phototransistor based reflectance sensor array
3.3V to 5V operation
Measures only 2.95" x 0.5" x 0.125" and weighs 3.09 grams
The Pololu QTR-8RC Reflectance Sensor Array has 8 IR LED/phototransistor pairs mounted on a 0.375" pitch, making it a great detector for a line-following robot. Pairs of LEDs are ...