The KY-026 IR Flame Sensor Module is designed to detect infrared light emitted by flames, making it ideal for fire detection, safety alarms, and robotics applications. It operates on 3.3V to 5V DC and features both analog (AO) and digital (DO) outputs. The onboard LM393 comparator and adjustable potentiometer allow users to fine-tune the detection sensitivity. Compatible with Arduino UNO, Nano, Mega, ESP8266, ESP32, Raspberry Pi, STM32, and other microcontroller platforms, this module is perfect for educational projects, home automation, and embedded systems.