| 超声波测距的原理图。9个按键,一个液晶。- 下载 |
| 这是超声波测距仪的电路原理图 请用Protel打开-This is the ultrasonic range finder circuit diagram Please open Protel 下载 |
| 本文介绍了AT89C2051单片机的性能和特点,并在分析了超声波测距原理的基本系统框图。该设计系统经校正后,其测量精度可达0.1米-This paper introduces the AT89C2051 performance and features, and the analysis of the ultrasonic distance measurement principle diagram of the basic system. The design of the system calibration, measurement accuracy of 0.1 meters 下载 |