SKU: 3791

This compact module packs three IR LED/phototransistor pairs onto a 1.25″ × 0.3″ board. The sensors are mounted on a 0.375″ pitch, making this array a great minimal sensing solution for a line-following robot. Each sensor provides a separate analog voltage output. The QTR-3A reflectance sensor array requires analog inputs to take readings. The similar QTR-3RC reflectance sensor array (ver en productos relacionados) is available with digital I/O-compatible outputs. Dimensions: 1.25″ × 0.3″ × 0.1″ (32 × 8 × 3 mm) (without header pins installed) Operating voltage: 5.0 V Supply current: 50 mA Output format: 3 analog voltages Output voltage range: 0 V to supplied voltage Optimal sensing distance: 0.125" (3 mm) Maximum recommended sensing distance: 0.25" (6 mm) Weight without header pins: 0.02 oz (0.6 g)


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