Description
- tem Type: Gas Sensor
- Operating Voltage: 5V
- Model: MQ-9
- Current Consumption: 150mA
- Ao output: 0.1-0.3V (relatively clean), Do output: TTL digital 0 and 1 (0.1 and 5V)
- Dimensions: 32mm (L) x 20mm (W) x 16mm (H)
- Weight: 5g
Wire Connections
- VCC – Positive pole (5V)
- GND – Negative pole
- DO – TTL switch signal output
- AO – Analog signal output
Features
- Good sensitivity to CO/Combustible Gas
- High sensitivity to Methane, Propane, and CO
- Long life and low cost
- Simple drive circuit
Applications :
- The Domestic Gas Leakage Detector: A device designed to detect leaks of combustible gases like natural gas or LPG in residential settings. It provides early warning signals through alarms, ensuring the safety of the household.
- Industrial Gas Detector: Used in industrial environments to detect hazardous gases such as carbon monoxide, methane, hydrogen sulfide, and other toxic or flammable gases. It helps ensure the safety of workers and compliance with safety standards.
- Portable Gas Detector: A compact, handheld device used for personal safety to detect the presence of harmful gases in various environments, including construction sites, laboratories, and outdoor activities. It can be carried easily and provides real-time readings.
Integration with Arduino
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