With an ARM chip, the harmonics of the grid signal acquisition, and then sent to...

能准确测量输入频率，配备相应的C语言程序。-An accurate measure of input frequency, with the corresponding C language procedure.

基于超声波的测距仪（包括原理图，程序源码与相关调试说明，以及一些参考资料，总之，开发超声波测距仪的一整套资料）-Based on Ultrasonic Range Finder (including schematics, source code and related procedures for debugging instructions, and some reference materials, in short, develop a set of ultrasonic range finder data)

用于蓝牙开发！基于hci的编程，可实现单片机对蓝牙模块的控制，从而实现蓝牙主从设备的连接和通信！-for Bluetooth development! Based on HCI programming can be realized right MCU Bluetooth module control, thereby achieving Bluetooth equipment from the main connection and communication!

51单片机实现gps(全球定位系统），希望好的能多加点分数-51 Singlechip gps (global positioning system), hope that can give a good point Score

LCD1602液晶显示子程序,实现各行扫描-LCD1602 LCD subroutine, realize the line scan

modbus的51单片机程序,C语言写成的,测试过了-Modbus 51 Singlechip process, C language, and tested the

51单片机对 siemens4442卡的底层驱动程序 把.rar改成.C即可-51 Singlechip siemens4442 card on the bottom of the driver. Rar changed. C can be

24LC256的C51驱动程序, 采用8052系列单片机-24LC256 C51 driver

基于飞利浦 lpc2104 arm7 微处理器的部分程序-Microprocessor-based Philips lpc2104 arm7 Part of the procedure

使用68HC705J1A写的一个键盘的代码,包括资料说明,一份难得的资料,本人开发键盘时好不容易才找到的资料-68HC705J1A use of a keyboard to write code, including the information note, a rare information, I developed the keyboard is not easy to find when the information