说明：  用于日常生活中CO气体的检测和报警，设计基于STC89C52为主控芯片，通过专用CO检测传感器MQ-7采集当下气体浓度并转化成电压模拟信号，经过模数转换器ADC0832将转换后的数字信号传递给单片机处理。
(Used for detection and alarm of CO gas in daily life, the design is based on STC89C52 as the main control chip. The current gas concentration is collected through a special CO detection sensor MQ-7 and converted into a voltage analog signal. The converted digital signal is transmitted to the MCU for processing after the ADC0832 analog converter.)