89c51 relay board testing software

这是一个脉搏采集程序，包括了上位机和下位机，上位机用vb，下位机用89C51，两者之间很好的通信，想学通信的朋友可以学下-This is a pulse of the acquisition process, including the upper and lower bit machine, PC with vb, lower machine 89C51, good communication between the two, friends want to learn can learn t

pt2232+pt2257单片机89c51的遥控控制程序-pt2232+ pt2257 microcontroller 89c51 remote control program

ADC using atmel 89c51