4 Channel Infrared Tracking Sensor Module IR Line Patrol For Arduino Smart CarFeature: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.Specification:Working voltage: DC 3.3V-5VWorking current: try to choose more than 1A power supplyWorking temperature: -10 C to +50 CMounting aperture: M3 screwDetection range: 1mm to 60cm adjustable、 the closer the performance more stable、 white reflects the farthest distance.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.)Package included:1 x Tracking Module (Hollow Board + Small Plate Forward)1 x Female to Female Dupont Line