20pcs 4CH Channel Infrared Tracing Module Patrol Four-way Sensor For Car Robot Obstacle Avoidance

Specifications 1 Working voltage DC 3 3V 5V2 Working current try to choose more than 1A power supply3 Working temperature 10 C 50 C4 Mounting aperture M3 screw5 Detection distance 1mm to 60 CM is adjustable the closer the distance is the more stable the performance is and the white reflection distance is the farthest 6 Size Central control board 4 4mm4 0mm12mm lengthwidthheight small plate forward 25mm12mm12mm lengthwidthheight 7 Output interface 6 wire interface 1234 is 4 signal output is positive power is negative power is ground 8 Output signal TTL level can be directly connected to the I O number of the single chip microcomputer When the infrared light reflected from the sensor is sensed the red indicator light is on and the output is low level when there is no infrared light the indicator light is not on and the output is high level Application 1 Smart car or robot hunt including black and white lines along the black line path also known as tracing 2 The smart car avoids the cliff and prevents falling 3 Smart car avoids obstacles Package includes 20 x Tracking module 1 set 20 block of hollow board 80 pieces of small board forward 20 x 20cm DuPont line