资源描述           基于STM32F103RCT6制作的一个简易数字示波器，测量频率0~5kHz，在输入处注意需要加一个加法器，防止输入信号打坏单片机A/D转换器，使得被测信号范围限制在0~3.3V之内。

该程序完成了c8051外围电路的驱动和串口协议的编写。希望能给大家学习51单片机带来帮助-The program was completed C8051 driver peripheral circuits and serial protocol to prepare. I hope everyone can learn from 51 Singlechip help

sdt文件移植为ads文件配置的改变--Change std file to ads file.

作为短信收发业务，属于第一代无线通信技术，这是其软件方面的编写资料-As a messaging business, belong to the first generation of wireless communications technology, which is the preparation of information on its software

Arduino滋扰

header file of the specific codes for LPC2100 target boards user may modify it as ne-header file of the specific codes for LPC21 00 target boards user may modify it as ne

基于51单片机  超声波测距  c语言，，，调试成功，，，，可以直接使用。。

SPI主机驱动，利用74HC595驱动7段数码管进行数字显示。

高性能ISD2540-ISD251200芯片的运用-High-performance chip ISD2540-ISD251200 the use of

freescale的关于Imax21的kbd程序,好用-Freescale on Imax21 the kbd procedures, easy to use