单片机控制实现的信号发生器，能产生方波、三角波等

arm的spi功能，通过595点亮数码管-arm of the spi feature 595 digital tube light

用最新的32位微控制写的原装LCD＋LED程序-With the latest 32-bit micro-control to write the original LCD LED process

LT_1B msp430开发板例子程序－Flash

51系列单片机实验课程：按键显示程序 （在数字键上按数字，在液晶显示器上显示）-51 Series single-chip experimental curriculum: key display program (in the figure by the number keys on the LCD display)

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.

这个包中提供了一些有实际应用价值的子程序供参考选用 SUB1----X25045/43 看门狗/存储器与 89C2051接口子程序 源程序/原理图(21K)X25045.EXE SUB2----AT24C02/04/08/16 串行存储器与 89C2051接口子程序 源程序/原理图(22K) AT24C02.EXE SUB3----红外遥控器(熊猫M50462/C54L2)与 89C2051接口子程序 源程序/原理图(21K) M50462.EXE SUB4----DS1302/HT1302 实时时钟与 89C2051接口子程序 源程序/原理图(20K) DS1302.EXE SUB6----AT89C2051与上位机RS232通讯接口子程序 源程序/原理图(25K) RS232.EXE SUB7----VB5.0 与AT89C2051通讯接口子程序 源程序/原理图(22K) VB5.EXE SUB8----单片机间RS485多机通讯子程序 源程序/原理图(24K) RS485.EXE -this package provides a number of practical value to the subroutine for reference use SUB1----X25045/43 watchdog/memory interface with the 89C2051 subroutine source/schematics (21K) X25045.EXE SUB2----AT24C02/04/08/16 serial memory interface with the 89C2051 subroutine source/schematics (22-karat) AT24C02.EXE SUB3-infrared remote control (Panda M50462/C54L2) and 89C2051 Interface subroutine source/schematics (21K) M50462.EXE SUB4---- DS1302/HT1302 real-time clock and 89C2051 Inter

用来测量温度的DS18B20的应用程序,有这方面需要的请下来-DS18B20 used to measure temperature applications, a need, please down

开关稳压电源 开关稳压电源-Switching Power Supply Switching Power Supply

P89C668单片机硬件I2C软件包,668i2c.asm（主方式）-P89C668 hardware I2C packages 668i2c.asm (the main form)

支持SD卡的MP3电路图,powerpcb4.0格式.使用AVR单片机-support the SD card MP3 circuit diagrams powerpcb4.0 format. Use AVR