CPU为CSP8051F020，有两个串口和一个SPI口。 一个串口通过数传电台和中控室计算机通信 另一个串口和PLC的MODBUS口通信。 SPI...

LPC单片机I2C编程-LPC SCM I2C programming

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

LED扫描驱动程序，是16分之一扫描，包含多种模式，闪烁时间可调。-LED Scan driver, is one of 16 sub-scanning, contains a variety of patterns, adjustable flashing time.

一种采用CYPRESS的PSOC混合信号控制其系列的智能型充电器设计方案，可支持多种电池理性，根据电池充电曲线进行调整，开发IDE为CYPRESS的PSOC Designer，硬件为PSOC。-use of a PSOC mixed-signal control of its series of smart charger design that can support multiple battery rational, battery charging curve adjustment, IDE for the development of the PSOC Designer CYPRESS, hardware PSOC.

简易电子琴的设计 一、 设计题目： 设计一简易电子琴，要求能够发出1、2、3、4、5、6、7等七个音符。 使用元件：AT89C51、LM324，喇叭，按键等 二、 设计目的 （1）能够对电子电路、电子元器件、印制电路板等方面的知识有进一步的认识，独立对其进行测试与检查。 （2）熟悉8051单片机的内部结构和功能，合理使用其内部寄存器，能够完成相关软件编程设计工作。 （3）为实现预期功能，能够对系统进行快速的调试，并能够对出现的功能故障进行分析，及时修改相关软硬件。 （4）对软件编程、排错调试、焊接技术、相关仪器设备的使用技能等方面得到较全面的锻炼和提高。-simple design of a flower, a design : a simple flower design, request, sent seven notes. Use Element : AT89C51, LM324, speakers, such as two keys, designed (a) to be able to electronic circuits, electronic components, such as printed circuit boards with the knowledge to further understanding of its independent testing and inspection. (2) familiar with the 8051"s internal structure and function and the rational use of its internal registers can be completed software programming design work. (3) To achieve the desired functionality, the system can quickly debugging, and the right to function failure analysis, the timely revision of the related hardware and software. (4) The right software programming, debugg

i2c总线协议，很好的协议-i2c bus protocol, good deal

DIY多功能转换器（已调试通过）。 本原理图可以实现USB/RS232、USB/RS422、USB/RS485接口转换功能。只需安装USB驱动程序即可实现USB转串口的功能，简单方便。另外只需对电路图稍作改动即可实现RS232/RS422或RS232/RS485转换功能。 心动了吗？不如赶快行动，拥有属于自己的五合一的接口转换器吧！-DIY Multi-function Converter (has debug through). The schematic diagram can be achieved USB/RS232, USB/RS422, USB/RS485 interface conversion. Simply install the USB driver can achieve the function of USB to serial, easy and convenient. Also just to make a minor amendment to the circuit can be realized RS232/RS422 or RS232/RS485 conversion. Echocardiography it? Action as soon as possible, with their own-one interface converter吧!

单片机多机通信（从机程序）用LCD显示传输的数据0-Single-chip multi-machine communication (from the machine process) LCD display with data transmission 0- 99

*PC和ATMEGA128通信，ATMEGA以轮循方式发送，中断方式接受*-* PC and ATmega128 communications, ATMEGA sent to Round Robin, interrupted to receive*

用proteus仿真实现投币赌博机，编译软件：keil C -Simulation with proteus gambling slot machine, build the software: keil C