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QTI Line Follower AppKit

Add the line following capability to your robot.

  • Designed for close proximity infrared detection
  • Use as a digital sensor array to detect black lines in order to follow electrical tape courses or navigate mazes
  • Use as an analog sensor to detect shades of gray
Mount three or four sensors underneath the chassis, and adjust the position to detect lines of different widths. Learning to use the QTI is easy with the illustrated instructions and example BASIC Stamp, C, or Arduino code in the Downloads and Documentation section below. This kit includes all the circuit and sensor hardware you need to add QTIs to your Parallax small robot.

Ordering information: Kit contents include (4) 10 k 1/4 watt resistors; (4) 3-pin male-male headers; (4) QTI sensor modules; (4) 3/8" 4-40 pan-head screws; (4) nylon washers; (4) 1" round standoffs; (4) 7/8 inch 4-40 pan-head screws; (4) 1/2 inch round spacers; (2) bags of 10 3" jumper wires; (4) 12-inch servo cable extenders; and Printed 4-page documentation.

Note: You will need to supply your own robot, white poster board, and black electrical tape.



Item # Description Unit Availability Price Quantity
470227-266 QTI Line Follower AppKit
Kit of 1 Retrieving



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