QTR-HD-11RC 11 Channel Digital Infrared Sensor Module - 4mm is the ultimate solution for precise and reliable line detection and object tracking. Designed by leading experts in sensor technology, this module is ideal for applications requiring high accuracy and performance. With its compact 4mm design, the module is perfect for a wide range of projects, from robotics to industrial automation. Featuring an impressive array of 11 sensors, the QTR-HD-11RC delivers Digital output that can be easily integrated into any system. Its advanced Infrared technology ensures that you get the best performance in various lighting conditions, making it a versatile choice for developers and engineers.