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650nm Laser sensor Module 6mm 5V 5mW Red Laser Dot Diode Copper Head Compatible With Arduino by Atomic Market - Newegg.com
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Amazon.com: VL53L0X Time-of-Flight Distance Sensor Flight Measurement ToF Laser Range Finder 940nm Laser Detect Module for Arduino (Pack of 2) : Industrial & Scientific
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How to build an optical/light barrier with the Arduino, the Keyes laser module (KY-008) and a laser receiver/detector module - Michael Schoeffler
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DEVMO 2PCS 5V Sensor Module Board Compatible with Arduino AVR PIC KY008 Laser Transmitter Wave Length 650 nm
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