CH375的主机文件系统接口（支持FAT12，FAT16）MCS

智能无线防盗报警器的设计,由AT89C51单片机控制电路、无线收发电路、DTMF（双音多频）电路、语音录放电路、电话接口电路等部分组成-Intelligent wireless burglar alarm design, by the AT89C51 single-chip control circuit, a wireless transceiver circuit, DTMF (Dual Tone Multi-Frequency) circuits, voice recording circuit, telephone interface circuit components, such as

点阵式打印机驱动程序,CPU:89C51RD2,含3562个汉字,可打印图形,有1024字节缓冲区-Dot-matrix printer driver, CPU: 89C51RD2, including 3562 Chinese characters can print graphics, has 1024-byte buffer

5045的底层操作程序,使用时根据实际接线情况对程序中管脚定义部分做适当修改 //定义管脚 sbit SCK=P3^4 //时钟 sbit SI=P3^5 //CPU--->5045 sbit SO=P3^5 //5045-->CPU sbit CS=P3^6 //片选 -5045 underlying operating procedure, when used in accordance with the actual situation on the process of wiring pin to do some appropriate changes to the definition// define pin sbit SCK = P3 ^ 4// clock sbit SI = P3 ^ 5// CPU-

440BX开发板 LED显示测试 试验程序-440BX Development Board LED tests procedures

IC卡购电软件实现，可以参考代码的源程序-IC card software realize the purchase of electricity, you can reference the source code

pc与单片机好东西，不错的，快来下，好vusdfhvuisdfhviusdfhvoijsd 。-pc with Singlechip good things, good, come under the good vusdfhvuisdfhviusdfhvoijsd.

pcb最小系统，可以根据提供的图进行修改共开发使用。-pcb minimum system that can be modified to provide plans were developed using the.

this is a sensorless fan motor control code .(it use the angle-ahead commutate tech.)

8051 LED Sample Code

ADI低成本心电监护模块（ECG module）设计-ADI low-cost ECG monitoring module (ECG module) design