实物调试，基于ATmega16的16位定时器TC1输入采集功能，采集多路HC-SR04超声波测距模块距离，并通过数码管显示。-Physical commissioning, 16-bit timer based on ATmega16 TC1 input acquisition function, collect multichannel HC- SR04 distance ultrasonic ranging module, and through digital tube display.