Infrarot Geschwindigkeitssensor Schlitz optisch photoelektrisch Optokoppler Modul Arduino
2,52 €
Product features: using slot type thru-beam photoelectric sensor, it is composed of an infrared light-emitting diode and an NPN phototransistor with a slot width of 5.9mm. As long as the non-transparent object passes through the slot type, it can be triggered (used with our trolley code disc) to output TTL low level.
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