HW-870 TCRT5000 IR Infrared Sensor

Overview

The HW-870 is a high-precision infrared reflective sensor module based on the TCRT5000 optical sensor. It features an IR emitting diode and a phototransistor, making it an ideal solution for distance sensing and object detection in DIY electronics projects.

Key Features

• Operating Principle: It works by emitting infrared light and detecting the reflected signal. The output signal changes based on the reflectivity of the surface (e.g., distinguishing between black and white lines).

• Dual Output: Equipped with both Digital (DO) and Analog (AO) outputs. The digital output threshold can be easily adjusted using the onboard potentiometer.

• Stable Performance: Built with a comparator (LM393) to ensure clean signals and strong driving capability.

Applications

• Line-following robots (Path tracking)

• Rotary encoders (Speed detection)

• Paper detection in printers or fax machines

• Non-contact limit switches