资 源 简 介
5l 系列单片机为许多控制提供了高度灵活和低成本的解决办法。充分利用他的片内资源，即可在较少外围电路的情况下构
成功能完善的超声波测距系统-5l Series single-chip control for a number of highly flexible and cost-effective solution. Make full use of his resources-chip can be less the case of the external circuit constitutes a function of the ultrasonic ranging system to improve
