基于89C52单片机的智能热水器控制软件-Based on the 89C52 MCU intelligent water heater control software

针对 89c52类型的单片机，提供了超声波测试程序，其中超声波原件为自己搭配，可以测试其是否可用。-For the type of 89C52 microcontroller, provides an ultrasonic testing procedures, including the original ultrasonic for their own match, you can test whether it is available.