MQ-7 Gas Sensor

Product Description

✅ General Specification: ➡️ Sensor Type: Gas Sensor ➡️ Model: MQ-7 ➡️ Target Gas: Carbon Monoxide (CO) ➡️ Operating Voltage: 5V DC ➡️ Heater Voltage: 5V (with cyclic heating required) ➡️ Analog Output: Yes ➡️ Digital Output: Yes (with onboard comparator module) ➡️ Sensitivity Range: 20 – 2,000 ppm CO ➡️ Warm-up Time: ≥ 60 seconds (initial stabilization recommended) ➡️ Operating Temperature: -10°C to +50°C ➡️ Operating Humidity: ≤ 95% RH ➡️ Module Interface: VCC, GND, AO, DO ➡️ Special Requirement: Alternating heater voltage for accurate CO detection ➡️ Compatible With: Arduino, Raspberry Pi, ESP8266, ESP32, STM32 ➡️ Applications: Carbon monoxide detection, gas leakage alarms, home safety systems, industrial safety, DIY electronics projects