SparkFun Line Follower Array _JAN26CLR it works great with the

it works great with the Raspberry Pi and has native kernel support

Free-fall detection

The physical shape and pinout have changed a little but overall functionality is identical

code and drawing

With a 1KM WiFi range

SparkFun Line Follower Array _JAN26CLR it works great with theThe SparkFun Line Follower Array is a long board consisting of eight IR sensors that have been configured to read as digital bits! We have designed the SparkFun Line Follower Arrays to follow a dark line of about 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,