本设计是一款基于单片机的汽车安全驾驶仪 设计，可以实现超速检测，酒精检测，而且通过语音播报提醒司机，还包含超声波测距等功能。-The design is a microcontroller-based automotive safety autopilot design, can detect speeding, alcohol testing, but also through voice broadcast to remind drivers, also includes features