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Grove - RPR-220 reflectance sensor v1.3
Grove series module based on the RPR-220 reflective sensor . It consists of an infrared light emitting diode and a high-sensitivity phototransistor. It is powered by 5 V. Range from 0 to 45 mm. It has a digital output, which makes it compatible with most start-up modules , including Raspberry Pi and Arduino .
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