This is a simple infrared receiver sensor,and mainly receive infrared signal through HS0038 infrared diode. HS0038 is particularly sensitive to the infrared signal,and it can receive the infrared signal very swiftly. It can be used in infrared remote control, infrared transmitter works.
News: All of Octopus bricks has supported Scratch programming. ElecFreaks builded EFBlock support drag and drop programming . Guide please check here