Labor Day 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

APM81815 Step-Down Voltage Regulator Carrier, 5V Out
99:1 Metal Gearmotor 25Dx69L mm HP 24V with 48 CPR Encoder
Glideforce GF01-121003-2-66 Micro Linear Actuator with Feedback Potentiometer: 12V, 4.3kgf, 17.6mm/s, 30mm Stroke
Glideforce GF01-120503-2-66 Micro Linear Actuator with Feedback Potentiometer: 12V, 2.2kgf, 28mm/s, 30mm Stroke
MP6603 Stepper Motor Driver Carrier (Soldered Header Pins)
ACS37200LLXTR-200B5 Current Sensor Large Carrier -200A to +200A, 5V
5V, 11A Step-Down Voltage Regulator D42V110F5
Magnetic Encoder Pair Kit with Side-Entry Connector for Mini Plastic Gearmotor, 12 CPR, 2.7-18V
Pololu Basic SPDT Relay Carrier with 5VDC Relay, Terminal Blocks, and JST SH-Style Top-Entry Connector
24V, 50mA Isolated Step-Up Voltage Regulator U5Z9F24
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