以单片机为核心，实时检测并记录车辆行驶时的速度，里程，左、右捌的转向， 前、后灯亮的状况，开、关车门，油量等各种情况；超过设定值能报警。 -The single-chip microcomputer as the core, the real-time detection and recording the vehicle running speed, mileage, left, right side steering, Ago, LED status, open, shu