Independence 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

ACS37041KLHBLT-030B5 Current Sensor Micro Carrier -30A to +30A, 5V
ACS37042KLHBLT-030B3 Current Sensor Micro Carrier -30A to +30A, 3.3V
CT220RMV-HS5 Contactless Current Sensor Carrier ±15mT/150G
TB67S581FNG Stepper Motor Driver Carrier (Soldered Header Pins)
Pololu Digital Distance Sensor v2, 15cm, Side-Entry Connector
Pololu Isolated USB-to-I²C Adapter
Breakout for JST SH-Style Connector, 5-Pin Male Side-Entry (2-Pack)
Isolated DC-DC Power Module, MIE1W0505BGLVH, 5V/3.3V, 200mA
CT432-HSWF50MR TMR Current Sensor Compact Carrier -50A to +50A, 5V
Breakout for JST SH-Style Connector, 4-Pin Male Top-Entry (2-Pack)
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