![]() ![]() The infrared diode will emitting the infrared continuously when the module connect to the power, when the emitted infrared light has not been reflected or the strength is not big enough,the module will in the off state, at this time, D0 output logic HIGH and the signal indicate LED off. There is also an on-board potentiometer to adjust the sensitivity. The measuring distance range from 1mm to 8mm, and the central point is about 2.5mm. Basically, for choices to sense the obstacle, you may be interested in: IR, LDR, Ultrasound, Laser, LED etc. This sensor is often used in line following robots, auto data logging on utility meters, because this module can sense if a surface is white or black. FYI - the LED part in Fritzing has color selection with includes IR Led’s. It emits IR and then detects if it receives the echo. This IR reflective sensor utilizes a TCRT5000 to detect color and distance. ![]() These basic are showing you the analog and digital values at serial monitor. In this tutorial, we are going to teach you some basics on using TCRT5000 IR Sensor Module. ![]()
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