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4PCS IR Break Beam Sensor 5MM LEDs Counting Module Split Through-Beam Photoel...

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IR Break Beam Sensor 5MM LEDs Counting Module Split Through-Beam Photoelectric S

2 Sets IR Break Beam Sensor 5MM LEDs Counting Module Split Through-Beam Photo...

IR Break Beam Sensor 5MM LEDs Counting Module Split Through-Beam Photoelectric S

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[3DMakerworld] Adafruit IR Break Beam Sensor - 3mm LEDs