IR Flame Sensor

admin — Thu, 20 Nov 2025 19:51:45 +0000

The IR Flame Sensor is designed to detect flames or strong infrared light sources within a specific wavelength range (typically 760 nm to 1100 nm). It uses an IR photodiode and comparator circuit to provide a digital output when a flame is detected. The onboard potentiometer allows adjustment of sensitivity. The sensor is easy to interface with microcontrollers such as Arduino, ESP32, or STM32 for fire alarm systems, robotic flame-following projects, and industrial safety monitoring.

Key Features

Detects flame or infrared light (760–1100 nm)
Digital output (high/low) with adjustable sensitivity
Onboard comparator circuit for precise detection
Easy interface with microcontrollers
Compact, breadboard-friendly design

Specifications

Feature	Details
Detection Wavelength	760–1100 nm
Digital Output	High/Low
Supply Voltage	3.3V–5V
Current Consumption	≤20 mA
Sensitivity Adjustment	Onboard potentiometer
Dimensions	32 × 20 × 15 mm

Applications

Fire detection and alarms
Flame-following robots
Industrial safety monitoring
DIY home automation and security projects
Emergency alert systems

Compatible Boards / Circuits

Arduino, ESP32, STM32, Raspberry Pi
Can interface with alarms, LEDs, relays, and buzzer modules

KY-032 4pin IR Infrared Sensor

admin — Thu, 20 Nov 2025 19:51:43 +0000

The KY-032 Infrared Obstacle Avoidance Sensor Module uses an infrared transmitter and receiver to detect objects in its path. When an obstacle is detected, the module outputs a digital HIGH/LOW signal, which can be read by microcontrollers such as Arduino, ESP32, or STM32. The onboard potentiometer allows adjustment of sensitivity and detection range. The module is widely used in line-following robots, obstacle-avoiding robots, and other automation systems requiring proximity sensing.