SALE EXTENDED! 15% off! Use the code BLACKFRIDAY15 on checkout *some restrictions apply.

January 24, 2014 AT 3:00 am

RS4 – Robot Line Following Feature @Raspberry_Pi #piday #raspberrypi

Samuel Matos’ self balancing Raspberry Pi Robot, RS4 uses image processing to follow a black line on the floor:

The robot has a new feature, it can follow a black line painted on the floor.
I’ve created a new sign with a line, when the robot reads this sign it will begin the line following process.


In fact the line following feature is implemented in a very simple way. Because the line is black is easy to isolate from the ground and this is performed using a simple binarization. Here are the steps of the implemented feature.

Checkout how it works here and read lots more about RS4 at

Check out all the Circuit Playground Episodes! Our new kid’s show and subscribe!

Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.

Join us every Wednesday night at 8pm ET for Ask an Engineer!

Learn resistor values with Mho’s Resistance or get the best electronics calculator for engineers “Circuit Playground”Adafruit’s Apps!

Maker Business — “Finally — some data on whether crowdfunding is a good investment or not”

Wearables — Sample code is your new best friend

Electronics — Meaningful gains

Get the only spam-free daily newsletter about wearables, running a "maker business", electronic tips and more! Subscribe at !

No Comments

No comments yet.

Sorry, the comment form is closed at this time.