MQ-2 Gas Sensor

Product Description

✅ General Specification: ➡️ Sensor Type: Gas Sensor ➡️ Model: MQ-2 ➡️ Target Gases: LPG, Propane, Hydrogen, Methane, Smoke ➡️ Operating Voltage: 5V DC ➡️ Heater Voltage: 5V ➡️ Analog Output: Yes ➡️ Digital Output: Yes (with onboard comparator module) ➡️ Sensitivity Range: 300 – 10,000 ppm ➡️ Warm-up Time: ≥ 20 seconds (initial stabilization recommended) ➡️ Operating Temperature: -10°C to +50°C ➡️ Operating Humidity: ≤ 95% RH ➡️ Module Interface: VCC, GND, AO, DO ➡️ Compatible With: Arduino, Raspberry Pi, ESP8266, ESP32, STM32 ➡️ Applications: Gas leakage detection, smoke detectors, fire alarms, home safety systems, industrial safety, DIY electronics projects