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Sensor Shield V5 Expansion Board For Arduino Uno Model:Coloured Row LEGO MINDSTORMS Education EV3 Core 763803817 LEGO MINDSTORMS Education EV3 Core Set may be a hands on The second is to divide the detection area into several bright and dark areas so that the moving objects entering the detection area can produce a change pyroelectric infrared signal on the PIR (passive infrared detector) in the form of temperature changes so you only need to consider that how to read data coming from the sensor by the program in Arduino after the completion of the circuit connection
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