MCU 8051 series, buzzer sound code! 8051 series MCU, audible buzzer code!

键盘的驱动，c代码，给嵌入式用的，可以拿来自己研究用，比较不错。大家多交流-Keyboard driver, c code for embedded use, and can use their own research, a good comparison. Members will exchange

A/D转换，转换结果用液晶显示出来，液晶是OCMJX12864。显示的结果是数字量。使用的是ADC0809。（有原理图）-A/D conversion, conversion results liquid crystal display, LCD is OCMJX12864. The result is digital displays. Are using the ADC0809. (With schematic diagram)

单片机 mega16L 电池放电器源码-Singlechip mega16L battery source discharger

用与计算机的串口通信， MAX232转4-Bunches of communication that used with the computer , MAX232 change into 4

16x16LED 点阵屏源代码和电路图，可以实现上下移，左右移-Dot-matrix screen 16x16LED source code and schematics can be achieved on the lower left and right shift

nRF9E5的性能测试程序,该程序控制开发板的一个灯的亮与灭.-nRF9E5 the performance test procedures, the control of a development board with the bright lights out.

这是单片机C语言位操作函数！给大家参考使用，可以直接在单片机中引用，不需要自己去编写，弥补了C语言位操作没有汇编灵活的缺点-This is the C language SCM- manipulation functions. For your reference use, can be directly invoked in SCM, you do not need to do to prepare. compensate for the C-language compilation flexible operation without the shortcomings

Ucos2在80c51f上的移植-Ucos2 in the transplant 80c51f

这是基于单片机的gprs编程 希望能给予大家帮助 -This is based on the MCU programming gprs hope to help everyone

单片机，与PC 串口通讯 程序-Microcontroller, and PC serial communication program