DS1302时钟显示在12232液晶显示。

单片机与微型打印机的接口，使用单片机控制微型打印机-Single-chip and micro-printer interface, the use of single-chip micro-control printers

A Bubble Sort - This is a sort that can be used on small numbers of records. Bubble Sorts file orig.txt in the application path.-A Bubble Sort- This is a sort that can be used on small numbers of records. Bubble Sorts file orig.txt in the application path.

12864液晶（STC7920控制器）屏上用基本指令与扩充指令分时显示文字、图片、图片与文字混合、任意位置的图片。-12864 LCD (STC7920 controller) to use on-screen instructions and the expansion of the basic time-sharing display text instructions, pictures, images and characters mixed, arbitrary location of the picture.

73K222AL单片式调制解调器与单片机的接口电路.包含文档说明、电路、源代码。-linking 73K222AL monolithic modems and microcontroller interface circuit. Includes document shows that circuit, the source code.

用C51实现MCS51系列单片机外接ROM扩充--Using C51, it implements external ROM expansion for MCS51 series SCM.

一个CPU卡读卡器源代码，接口全部由单片机IO模拟实现，成本极低-a CPU card reader source code, microcontroller interface all IO simulation, low cost

改程序实现了C8051F120混合信号片上系统32位乘法，提高了在C8051上实现乘法的精度，较少了计算误差-Reform process to achieve the C8051F120 mixed-signal system-on-chip 32-bit multiplication to improve the C8051 to achieve precision multiplication, the calculation error of less

本程序是AVR系列单片机的外部中断程序,中断实验,LED数码管显示中断数据,按键按下计数,数码管显示计数结果-This procedure is the AVR MCU external interrupt procedures, interruption of the experiment, LED digital tube display interruption data, press the count button, digital display count results

如何使用USB总线接口在单片机系统中实现一个虚拟串口的原理和实现过程。在设计中，软件部分采用USB的CDC类标准来实现虚拟串口，这样可以使用操作系统（Windows,Linux）自带的驱动程序；在硬件设计中，使用自带USB从设备接口的AT89C5131单片机，提高了系统的集成度和可靠性-How to use the USB bus interface in single-chip realization of a virtual serial port system, the principle and implementation process. In the design, the software part of the adoption of USB-CDC class standards to achieve a virtual serial port, so you can use the operating system (Windows, Linux) comes with the driver in hardware design, the use of own USB interface from the device chip AT89C5131 machine, to improve the system integration and reliability of

在MSP430单片机上用C操作MMC和SD卡的电路和参考代码。含PDF文档。-MSP430 single chip microcomputer used in the C operator MMC and SD cards circuit and reference code. Containing PDF documents.