【摘要】 随着USB(universal serial bus)接口技术的迅速发展,使其已经成为微机的基本配置,将USB技术、虚拟仪器技术、单片机技术以及数据采集技术进行综合运用,开发了一种专门用于电路板检错的USB外设———基于USB接口的电路板检错笔。更多还原

【Abstract】 The USB interface has became an important part of the microcomputer with the rapid development of USB interface technology.This USB device,which is called ’the checking pen of a circuit board based on USB’,is developed on the basis of the integrated use of USB interface technology,the virtual instruments technology,the date collection technology as well as the single-chip microcomputer technology.更多还原