1903 SparkFun SEN-13582 SparkFun NewCondition
Line Follower Array diagonal view

Line Follower Array

28.37

Product Code : 1903

In Stock Now : 2
Available in 5-7 days : 29 units.
Incl. Tax: £28.37 Excl. Tax: £23.64
  • Line Follower Array top view
  • Line Follower Array with variable potentiometer
  • Line Follower Array diagonal view
  • Line Follower Array on redbot
  • Line Follower Array view with measurements

The Line Follower Array is a long board consisting of eight IR sensors that have been configured to read as digital bits! It has been designed to follow a dark line of about ¾ inch width or smaller (spray paint or electrical tape) on a light background. Each array features visible LEDs that point upward when the board is attached (properly) so you can see what the robot sees, brightness control right on the board, and an I2C interface for reading and power control.

The line follower functions by taking an 8-bit reading of reflectance for use with following lines or reading dark/light patterns and can see from about ¼ to ¾ inches away. The IR brightness control and indicator can be adjusted with the on-board potentiometer and is capable of showing you the strength of the IR LEDs. Illumination can be turned on and off with software to conserve power, or left on all the time for faster readings. The Line Follower Array requires 5V of power with a supply current range of 25-185mA with strobing disabled and 16-160mA with it enabled. Additionally it has six mounting holes added to the line follower with the two inner holes designed to fit the Shadow Chassis while the other four are general purpose.

Note: As you know our Sun emits quite a bit of infrared light, making the SparkFun Line Follower Array much less effective in direct sunlight. Plan your projects accordingly!

  • 8 sensor eyes (QRE1113, like in our line sensor breakout)
  • I2C interface
  • Adjust IR brightness on the fly with a knob
  • Switch IR on and off with software
  • Switch visual indicators on and off with software
  • Invert dark/light sight with software
  • Based on the SX1509 I/O expander

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