The 5-Channel Flame Sensor Module is a multi-directional fire detection sensor designed for Arduino, Raspberry Pi, and ESP controllers. With five infrared receivers, it can detect flame sources from different angles up to several meters away, ensuring fast and accurate fire sensing for smart robots, safety alarms, and fire-fighting systems.
The MQ-5 Gas Sensor Module is a high-sensitivity detector designed to measure LPG, Natural Gas, Coal Gas & Hydrogen. It provides both analog and digital outputs, making it ideal for gas leakage alarms, home safety systems, and Arduino/IoT projects.
The MQ131 Ozone (O₃) Gas Sensor Module is a high-sensitivity semiconductor sensor designed to detect low and high concentrations of Ozone gas. It provides both analog and digital outputs, making it ideal for environmental monitoring, air quality systems, and Arduino/IoT projects.
Monitor indoor and outdoor air quality with the MQ135 Gas Sensor Module, ideal for detecting CO₂, NH₃, benzene, alcohol, smoke, and harmful gases. It operates at 5V DC, offering both analog and digital outputs, making it compatible with Arduino, Raspberry Pi, and other microcontrollers. Fast response, long life, and adjustable sensitivity make it perfect for IoT, smart environment projects, and pollution control systems.
Detect hazardous Hydrogen Sulfide (H₂S) gas with the MQ136 Gas Sensor Module. Operating at 5V, this module features high sensitivity, low power consumption, and a fast response time. Ideal for Arduino, Raspberry Pi, and IoT gas monitoring systems. Output: Analog & Digital. Widely used in air quality monitoring, industrial safety, and smart home projects.
The MQ3 Alcohol/Ethanol Gas Sensor is a high-sensitivity semiconductor sensor designed to detect alcohol vapors in the air. It delivers analog and digital outputs, making it ideal for breath analyzers, alcohol detectors, and Arduino-based monitoring systems.
Input voltage: DC5V
Power consumption (current) : 150 mA
DO output: TTL digital 1 and 0 (0.1 and 5 V)
AO output: 0.1-0.3 V (pollution-free)
Highest concentration of voltage: Approx 4 V
Detection range of alcohol: detection range of 10 ~ 1000 PPM
The MQ4 Gas Sensor Module is a high-sensitivity methane (CNG) detector designed for reliable detection of combustible gases. Operating at 5V DC, this sensor features analog and digital outputs, making it easy to integrate with Arduino, Raspberry Pi, and other microcontroller platforms. Its fast response time, adjustable sensitivity, and compact size make it ideal for smart gas leakage detection, industrial monitoring, and IoT automation projects.
The MQ5 Gas Sensor Module is a powerful and reliable sensor that detects Methane (CH4), LPG, and Propane gases in the air. It operates at 5V DC and features both analog and digital outputs, making it ideal for Arduino, Raspberry Pi, and other microcontrollers. With adjustable sensitivity, quick response, and strong anti-interference, it’s perfect for home safety, industrial automation, and IoT-based gas monitoring systems.