This is IR Sensor Array Module 4 Channel. Smart car or a robot hunt (including black and white lines), walking path along the black line, also known as tracking. Smart car to avoid obstacle and cliff, anti-drop. Can be applied to other automation applications of photoelectric reflex. It is a 4 channel IR Array module used for line tracking and other Arduino IR based DIY projects.

Features:
Working voltage: DC 3.3V-5V
Working current: try to choose more than 1A power supply
Working temperature: ? 10oC ? +50oC
Mounting aperture: M3 screws
Detection range: 1mm to 60 CM adjustable, the closer the performance more stable, white reflects the farthest distance.
Size: in the control panel of 42mm * 38mm * 12mm (length * width * height)
Small forward 25mm * 12mm * 12mm (length * width * height)
Output interface: 6 wire interface (1234 to 4 signal output ends, + positive power, ? for the negative power is ground)
The output signal: TTL level (can be directly connected to I/0 microcontroller, infrared light reflected back to the sensor induction, the red indicator light, output low level; no infrared light, the indicator light does not shine, the output high.)

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