The Pololu QTRX-HD-13RC Reflectance Sensor Array: 13-Channel, 4mm Pitch, RC Output, Low Current is an advanced sensor array designed for precise detection of reflectance changes, such as those encountered in line detection applications. This array consists of infrared LED and phototransistor pairs, which are capable of detecting high-reflectance objects at distances up to approximately 40 mm. The device operates efficiently within a voltage range of 2.9 V to 5 V, and it features dimmable brightness control that functions independently of the supply voltage. Additionally, it offers separate control for odd and even emitters, enhancing its versatility in various applications.
The sensor array is equipped with high-performance, low-current QTRX sensors that include lenses, optimizing its performance while maintaining low power consumption. The output is compatible with digital I/O signals, which can be read in parallel as timed high pulses, facilitating integration with various systems. The optimal sensing distance for this array is around 10 mm, making it suitable for applications requiring close-range detection. The compact design, weighing only 3.1 grams, ensures that it can be easily incorporated into a wide range of projects without adding significant weight or bulk.
