This design adopts FS2410 development board and MQ-3 alcohol sensor in a non-operating system environment, and controls each functional module through S3C2410 processor. The system inputs the analog signal output by the sensor into ADC for A/D conversion, then processes the data and displays it on LCD. When the alcohol concentration exceeds the limit, the buzzer alarms. The article introduces the system hardware circuit design and software design methods in detail.
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