This IR reflective sensor utilizes a TCRT5000 to detect color and distance. This sensor is often used in line following robots, because this module can sense if a surface is white or black. The measuring distance range range from 1mm to 8mm, where the central point is set to 2.5mm. There is also an on-board potentiometer to adjust the sensitivity. Features: Supply Voltage: 3.3V~5V Detect distance: 1mm-8mm Digital Outputs HIGH when objects detected On-board indicator LED to show the results On-board potentiometer to adjust the sensitivity On-board LM393 chip

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