TCRT5000 IR Infrared Line Track Follower Sensor Obstacle Avoidance Module For Arduino
TCRT5000 infrared sensor emits infrared emitting diode continuously when no infrared rays emitted or reflected back is reflected back but the strength is not large enough, the phototransistor has been in the off state, and the output terminal of the module is high, indicating that the diode has been in the off state; in the object to be detected within the detection range, and the intensity of the reflected infrared rays is large enough, phototransistor saturated, and the output terminal of the module is low, the indicator LED is lit
Sensor TCRT5000
Detection Distance: 1mm ~ 8mm apply focal distance of 2.5mm
With a multi-turn precision potentiometer adjustable sensitivity adjustment
The working voltage of 3.3V ~ 5V
The output format: digital switching outputs (0 and 1)
A fixed bolt holes for easy installation
A small PCB board size: 3.2 x 1.4cm
Using a wide voltage LM393 comparator
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TCRT5000 Infrared Line Tracking Sensor Tutorial: Reflective IR Sensing, Threshold Tuning, and Arduino Examples
This tutorial is a comprehensive, practical guide to the TCRT5000 Infrared Line Tracking & Tracing Sensor Module (Leobot Product #251). It explains how reflective infrared sensing works, how this specific module is built, how to tune the detection threshold correctly, and how to use it reliably with Arduino for line-following, edge detection, and contrast-based surface sensing.
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