51单片机矩阵键盘的设计与调试，建议使用52单片机。

122*32 点阵 st7920 lcd中英文显示 串行驱动程序-122* 32 dot matrix display in both Chinese and English st7920 lcd serial driver

这个K型热电偶MAX6675的驱动程序，此驱动部分已经在产品中使用，请放心使用-The K-type thermocouple MAX6675 driver, the driver has been part of the use of the product, please rest assured that the use of

基于51系列单片机的串口通信测试程序，希望对大家有帮助-Based on 51 Series Single-chip serial communications test program, and they hope to have everyone help

C51操作5767收音机芯片(内置杭州的几个台)-5767 Radio operator C51 chip (built-Hangzhou several Taiwan)

此程序为单片机开发过程常用的led小灯闪烁的小程序。用asm编写，供参考。-procedure for microcontroller development process commonly used by small lights flashing led the small program. With asm prepared for reference.

采用定时器中断的方法，设计一个一天24小时进制的实时时钟；用6个发光二极管分别显示时、分、秒的记时； 能进行整点报时。可以从键盘中预置、修改时钟值。含有硬件设计图-timer interruption using the method to design a band 24 hours a day in real-time clock; With six light-emitting diodes showed the hours, minutes, and seconds to the entry; Can the entire point timekeeping. Which can be preset from the keyboard, the revised value of the clock. Containing the hardware design

单片机下载工具STC-isp-v3.93版本解压即用绿色软件-Download tools Singlechip STC-isp-v3.93 versions of decompression that is green software

使用vs1003芯片制作的mp3播放器。-Produced by using the vs1003 chip mp3 player.

悠景2.7寸OLED演示代码，可以在DEMO板上测试-Univision 2.7-inch OLED demo code, you can test at the DEMO board

程序由C语言编写，时序完全达到要求，含有proteus仿真图。硬件上已经测试通过！-Procedures by the C language, timing fully meet the requirement, contained Proteus simulation of Fig. Hardware has been tested!