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4 Road Infrared Tracking Module
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Price: US$1.78   Submit a wholesale Inquiry
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Specifications
Operating Voltage: DC 3.3V-5V
Operating Current: try to choose more than 1A power supply
Operating Temperature: -10 - +50 degree
Install Aperture: M3 screws
Detection distance: 1mm to 60 CM adjustable, the closer the distance, the more stable performance, and white reflective farthest.
Size: in the control board 42mm × 38mm × 12mm (length × width × height)
Small plate forward 25mm × 12mm × 12mm (length × width × height)
output interface: 6-wire interface (1234 for the 4-way signal output terminal, + is a positive power supply, - for the negative power supply is ground)
Output signal: TTL level (can be directly connected to the microcontroller I / 0, sensing infrared light reflected back to the sensor, the red indicator light, the output low; infrared light, the light is not on, the output high level.)

Applications
Smart car or robot hunt (including black and white lines), walking path along the black line, also known as tracing.
Smart car to avoid the cliff, fall.
Smart car to avoid obstacles
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