基于TLC1549芯片的ADC源码，单片机为89s52。

标准化的数字信号处理程序库提供了一个高度优化的信号处理功能，基于处理器的系统；

最新的LPC214X USBSER驱动程序，适用于 NXP LPC2141, LPC2142, LPC2144, LPC2146, LPC2148。-LPC214X USBSER driver for NXP LPC2141, LPC2142, LPC2144, LPC2146, LPC2148.

mc9s12XDP512 单片机SCI0 程序-mc9s12XDP512 MCU SCI0 program

arm的C语言教程　无操作系统支持的嵌入式系统软件,包括系统引导(BOOT) 、驱动程序、动态内存管理、IPO、通信以及应用软件等方面。 本文详细介绍了嵌入式平台上用C 语言编写系统软件和应用软件的方法。虽然是针对ARM平台介绍的,但基本经验和算法也适 合于其他嵌入式平台的软件设计-arm of the C language tutorial without operating system support for embedded systems software, including system boot (BOOT), driver, dynamic memory management, IPO, communications and application software and so on. This paper describes the embedded platform using C language, system software and application software methods. Although introduced for the ARM platform, but the basic experience and the algorithm is also suitable for other embedded platforms, software design

这是一个关于AT91RM9200的原理图，经过实践证明，它们很好的运行，并可以嵌入LINUX，对于ARM9的用户来说是一个挺不错的参考资料。-This is a study on the AT91RM9200 schematics, has been proved through practice, they run very good, and can be embedded LINUX, the ARM9-users is a very good reference.

AVR做的SD卡读卡器源程序,带电路原理图-AVR to do the SD card reader source, with circuit schematic diagram

51系列单片机通过温湿度传感器采集温湿度数据，然后通过GSM模块进行GSM通信，将数据发送出去。

数码投影仪系统，采用C语言编写，包括全部源码和电路图-Digital projection systems, using C language, including all source code and schematic

This solution is an 80mm thermal printer printer that employs IPI 800932 print heads and an automatic paper cutter.  This printer has a wide range of applications and can be used to print various receipts and invoices for POS systems,  cashiers, and ATM.This solution utilizes the NUC505 series and is capable of reaching a printing speed of 150mm per  second. It supports multiple transmission methods, including Bluetooth, serial ports, network ports, USB printer class,  and so on, and supports Ethernet data communication and data transmission. This solution is also furnished with  out-of-paper detection and overheating protection circuits.  This file includes the PC software and source code of 80mm Thermal Printer. File Path: PC software: SW_NUC505_80mm_Thermal_Printer_V1.0PC Software

介绍arm调试接口jtag的原理，初学者可以-Introduction arm principle JTAG debugging interface, a beginner can