在Windows98下利用VB的串行通讯控件可实现PC机与多单片机之间的通讯。采用定时器控制大大加快了自动化进程，克服了往多“握手”协议造成的通讯速度缓慢的缺点。-in Windows98 using VB serial communication controller can be achieved with a PC between the MCU communications. Using the timer control greatly accelerate the automation process, more to overcome the "handshake" agreement caused by the slow pace of the communications shortcomings.