基于单片机的计算器原程序代码，传上去让大家看看！

mp3设计原理图 设计思想 设计思路 设计步骤 明确清晰-mp3 schematic design design design design thinking clear steps

用于GPRS远程电力抄表系统中采集器端的程序，编译运行环境为Keil C-for GPRS Remote Meter System Acquisition end of the program, compile operating environment for the Keil C

4-20MA信号发生器，含电路图，使用说明以及汇编源程序-4-20MA signal generator, including schematics, source code for use as well as the compilation

lcd keyboard example

周立功的SD卡源代码,请大家参考,希望对大家有所帮助,-Week Ligong the SD card source code, please refer to, and they hope to be helpful to everyone,

这是原创的基于PIC16F877A单片机的读SD卡文件系统程序源代码-This is the original PIC16F877A microcontroller-based SD card file system read source code

电话机的工作原理,有振铃电路,电话极性保护电路,还有双音多频发送接收电路-Telephone the working principle, has ringing circuit, Phone polarity protection circuit, as well as send DTMF receiver circuit

LCD 1602 AVR下显示驱动程序.使用的是ATMEL公司的AVR芯片ATMEGA16.只要稍加修改可以移植到其他单片机上.-LCD 1602 AVR display driver. Using ATMEL

msp430f149键盘中断程序，用端口中断。通过实验验证-msp430f149 keyboard interrupt procedures, using ports interruption. Experimental verification

uCOS-IImsp430型