20th Anniversary Sale going on NOW – click for details!

Arduino Library for the Pololu QTR Reflectance Sensors

Arduino IDE with Pololu QTR sensors superimposed over it.

View entire document on a single page.
You can also view this document as a printable PDF.

1. Introduction
2. Library Installation
3. QTRSensors Methods & Usage Notes

New Products

Free Circuit Cellar magazine October 2020
Free Circuit Cellar magazine February 2021
Pololu Wheel for Standard Servo Splines (25T, 5.8mm) - 70×8mm, White, 2-Pack
3pi+ 32U4 Robot Kit with 75:1 LP Motors (Turtle Edition Kit)
Pololu Digital Distance Sensor 5cm
Pololu Wheel for Micro Servo Splines (20T, 4.8mm) - 60×8mm, White, 2-Pack
3pi+ 32U4 Control Board
Pololu Wheel for Standard Servo Splines (25T, 5.8mm) - 90×10mm, Red, 2-Pack
Free Circuit Cellar magazine May 2020
3pi+ 32U4 Robot Kit with 15:1 HPCB Motors (Hyper Edition Kit)
Log In
Pololu Robotics & Electronics
Shopping cart
(702) 262-6648
Same-day shipping, worldwide
Menu
Shop Blog Forum Support
My account Comments or questions? About Pololu Contact Ordering information Distributors

Feedback

Comments or questions?

Services

Products

New Products

Specials!

Robots

Electronics

Mechanical

Tools

Shirts

Community