Pololu QTR-8A Reflectance Sensor Array - Line Following clamp On-board LED lights for output

On-board LED lights for output state indication

Good balance of cost and capability: A practical middle ground in the legacy Teensy range

perfect since it can maximize the side wall-free design for efficient airflow

Analog cable x1: Analog cable x1

Pololu QTR-8A Reflectance Sensor Array - Line Following clamp On-board LED lights for outputMeasure Light and Optical Changes with a Compact Sensor The QTR 8A Reflectance Sensor Array is an optical interrupter sensor with analog output designed for light logging, optical switching, line tracking, and brightness aware projects. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds. Key details include Output voltage range: 0 V to supplied voltage; Operating voltage: 3. 3 5. 0 V; Output