82 4 Channel Infrared Tracking Sensor Module IR Line Patrol for Arduino Smart Car

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The 4-Channel Line Tracker sensor provides an easy way for line tracking. A line sensor is composed of a number cells and each cell is composed of a sender and a receiver. The particularity of this sender/receiver pair is that it sends light that shall be reflected by the line to be detected but not by the eventually opaque background surrounding this line. Any sender/receiver pair that is able to make a difference between a line and the rest of ground (of a different color) can be used in a line sensor.

VCC pin is connected to 5V , GND pin is connected to the GND, S1, S2, S3, and S4 pins are connected to the digital I/O pins 2 – 5 but you can use others


Operating voltage: DC 3.3V-5V
Operating Current:>1A
Operating temperature: -10 C – +50 C
Mounting Hole: M3 screws
Detection distance: 1mm to 60 CM adjustable, the closer the distance,the more stable performance, and white reflection farthest.
Output Interface: 6-wire (1234: signal output, +: positive supply -: ground)
Output signal: TTL level