This Keyestudio three-way tracking sensor needs to be used together with the EASY plug Control board V2.0. The module is connected to the SPI interface with only one wire, which is very convenient and simple. The module comes with two round holes, easy to fix it on other devices.
It is also an infrared sensor. The component used here is TCRT5000 infrared tube. The working principle is to use the different reflectivity of infrared light to color, converting the strength of the reflected signal into a current signal.
During the detection, black is active at HIGH level, and white is active at LOW. The detection height is 0-3 cm. We have integrated three groups of TCRT5000 infrared tubes on a single board, more convenient for wiring and control. By rotating the adjustable resistance part, you can adjust the sensitivity of the sensor.
Operating Voltage: 3.3-5V（DC）
Output Signal: Digital Signal
Detection Height: 0-3cm
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