The Tinkro IR Obstacle Avoidance Sensor Module is a compact and reliable electronic module designed for detecting obstacles using infrared technology. It is widely used in robotics, automation, and educational electronics projects, especially with Arduino and other microcontroller platforms. This sensor works by transmitting infrared light through the IR LED and detecting the reflected light using a photodiode. When an object comes within the detection range, the module provides a digital output signal, making it easy to interface with development boards. An onboard potentiometer allows users to adjust the sensitivity and detection distance according to project requirements. The module operates on a 3.3V to 5V DC power supply, making it compatible with popular boards such as Arduino Uno, Nano, Mega, Raspberry Pi, ESP32, and ESP8266. A built-in indicator LED helps visually identify obstacle detection status during testing and operation. Designed for students, hobbyists, and DIY learners, this sensor module is lightweight, easy to mount, and suitable for classroom experiments, science projects, line-following robots, and obstacle-avoiding robots. It is an ideal component for learning basic electronics, sensors, and robotics concepts.