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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Total Length: 410mm / 16
Here's some of the great goodies baked in to each Circuit Playground Express:
such as identifying different parts or products in manufacturing processes
and projects that need stand-alone storage
Component box
Pololu QTR-3RC Reflectance Sensor Array - 3 IR Channels, Digital squid Total Length: 410mm / 16Reliable Line and Reflectance Sensing with QTR 3RC Reflectance Sensor Array The QTR 3RC Reflectance Sensor Array is built for line sensing and surface detection in small robots and automation projects. It also works well for edge detection, simple proximity tasks, and reflectance based triggers. Important: Reflectance readings vary with surface color, distance, and ambient light. Best results come from calibrating the sensor over the exact surface and
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