51单片机的最小系统版，带串口，ds1302，1602,ds18b20,键盘，数码管，ISP在线下载-51 SCM minimum system version, with serial, ds1302, 1602, ds18b20, keyboards, digital tube, ISP online download

18f2423单片机内置12位AD,这是我自己调试过的18个例程.-18f2423 MCU built-in 12 AD, this is my own debugging routines ever 18.

Verilog实现的DDS正弦信号发生器和测频测相模块，DDS模块可产生两路频率和相位差均可预置调整的值正弦波，频率范围为20Hz-5MHz，相位范围为0°-359°，测量的数据通过引脚传输给单片机，单片机进行计算和显示。-Verilog realize the DDS sine wave signal generator and frequency measurement module test phase, DDS module can generate both frequency and phase difference can be preset to adjust the value of sine wave, frequency range of 20Hz-5MHz, phase range of 0 °-359 ° , measurement data and transmit them to the single-chip pin, single-chip microcomputer to calculate and display.

i2c硬件通信例程，lpc922单片机，可以完成y与eeprom的通信！-i2c hardware communication routines, lpc922 single-chip, to be completed y the communication with the EEPROM!

利用NRF905无线通信模块进行RS232通信-NRF905 use of wireless communication module RS232 communication

时针芯片DS12C887a的C51底层程序-hand of a clock chip DS12C887a the bottom procedures C51

X5045EEPROM,看门狗操作所有操作完整的源代码，，以前做过的项目-X5045EEPROM, Watchdog operation of the complete source code for all operations, previously done projects

sonix，24系列EEP读写子程序，使用接口函数，可直接调用-sonix, 24 series of EEP read and write subroutines, using the interface functions can directly call the

用keil c编写的PID算法,不错噢.-with keil c prepared by the PID algorithm, Oh Yes. Ha ha

flash程度源代码,该程度经过反复测试,没有问题-the degree of flash source code, the extent of repeated testing, there is no problem