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4 Pcs 3 Pin 650nm Red Laser Transmitter Module Dot Diode Copper Head Sensor Module for Laser Sensor Projects: Amazon.com: Industrial & Scientific
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Amazon.com: 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 : Industrial & Scientific
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