Pololu QTRX-MD-04RC Reflectance Sensor Array: 4-Channel, 8mm Pitch, RC Output, Low Current

The QTRX-MD-04RC Reflectance Sensor Array is a high-performance, 4-channel sensor array with an 8mm pitch and RC output. It has a compact size of 29.0 x 20.0mm, and operates at a maximum current of 3.5mA for the LED and 9mA for the board. The optimal range for this sensor array is 10mm. This array is equipped with IR LED/phototransistor pairs, making it an excellent choice for identifying changes in reflectance, such as line detection. It operates from 2.9V to 5.5V and offers adjustable brightness control that is independent of the supply voltage. With the QTRX-MD-04RC Reflectance Sensor Array, the closer the object, the higher the contrast between light and dark readings. However, objects with high reflectance are generally detectable up to approximately 40mm. This low-current version of the QTRX sensors comes with lenses, enhancing its performance.The QTRX-MD-04RC Reflectance Sensor Array is a versatile tool that can be used for a variety of applications. Whether you're working on a robotics project or developing a security system, this sensor array provides accurate and reliable readings. Its low power consumption makes it an energy-efficient choice, while its compact size allows for easy integration into any system.