能MIDI rtttl

This version of the code is compatible only with the AT89C2051 due to the location of the data buffer and stack in RAM. The code may be modified to work with the AT89C1051 by relocating or resizing the buffer and stack to fit into the smaller amount of RAM available in the AT89C1051.

很有参考价值的51单片机串口程序，正在搞串口的看一看-great reference value of 51 MCU procedures, is now pursuing a look at the serial port

自己设计的基于51单片机的简易电子词典，方便阅读，便于修改-Of their own design based on 51 single-chip simple electronic dictionaries, user-friendly, easy to modify

MCS51单片机实现LCD1602显示汉字-MCS51 MCU LCD1602 display Chinese characters

看门狗25045的实例。//25045的4根io脚接在同一端口，本例为p1，//请根据实际电路更改引脚定义-watchdog 25,045 examples.// 4 of 25,045 feet io Then in the same port, the cases of p1,// light of the actual circuit-pin definition change

美国达拉斯高精度温度传感器DS18B20的序列号读取程序。-Dallas Precision Temperature Sensor serial number reader.

这是一个基于C语言的单片机的步进电机的程序。它是通过改变相位来调节电机的旋转速度-This is a microcontroller based on the C language, stepper motor programs. It is by changing the phase to regulate the motor rotation speed

1602 液晶显示子程序 可直接套用 代替数码管显示必备-Liquid crystal display subroutine 1602 can be directly applied to replace the digital display must

这是一个mega128单片机通过spi口读写串口flash的程序，已经记过验证-This is a microcontroller through mega128 spi I read and write the serial flash procedures, Verification has demerits

51+sl811读写U盘的源程序＋原理图。想用51完成U盘读写的网友可参考参考。-51 sl811 reader of the source disk U+ diagram. With 51 to complete U-reader may refer to the website reference.