超声波测距仪，单片机的驱动程序，包括超声波发射、接收、处理、显示模块的程序-Ultrasonic range finder, microcontroller drivers, including ultrasonic transmitting, receiving, processing, display module program

这是超声波测距模块的最简单的测试程序，用1602显示-This is the most simple test program ultrasonic ranging module, with the 1602 show