Description
The MQ3 alcohol sensor is a gas detection device designed to sense the presence of alcohol vapors in the air. It is commonly used in breathalyzer systems, safety equipment, and DIY electronics projects. The sensor contains a sensitive material that reacts to alcohol by changing its resistance, allowing microcontrollers like Arduino to measure concentration levels. It can detect alcohol concentrations from 0.05 mg/L to 10 mg/L, making it ideal for applications requiring moderate accuracy. The MQ3 sensor is easy to use, compact, and affordable, making it a popular choice for developing alcohol detection systems and ensuring safety in various environments.
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