基于单片机的智能汽车燃油计的设计 该燃油计能实时检测油箱内油量的多少，司机能从数码管上直接看出油箱内的油量，当油箱内油量过低时，单片机发出控制信号，触发蜂鸣器报警。-MCU-based smart design of the vehicle fuel meter fuel meter in real-time detection of the amount of fuel within the fuel tank, the driver directly from the digital c