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Youliang 2PCS KY-008 Laser Transmitter 3 Pin 650nm 5V Dot Diode Copper Head Sensor Module for Arduino Raspberry Pi: Amazon.com: Industrial & Scientific
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8PCS 3 Pin 650nm 5V Laser Transmitter Sensor Module Board KY-008 Dot Diode Copper Head Sensor Module Diode Laser Mini laser head for Arduino Raspberry Pi Laser - - Amazon.com
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