piano

说明：  步进电机控制，采用4线程得方式，C语言编写，亲测可用(Stepper motor control, using 4 threads, C language, pro-test available)

使用keil平台与C语言编写的51单片机程序，可以控制电机的转动，达到控制电梯的目的，经proteus仿真验证通过(The 51 single chip computer program written by the Keil platform and the C language can control the rotation of the motor and achieve the purpose of controlling the elevator. It is verified through the Proteus simulation.)

MSP430x54x 实时时钟示例代码(MSP430x54x RTC sample code)

ATSHA204 主要特性： 1，SHA-256 Hash算法 2，有保证的唯一的72-bit序列号； DS28CN01　６４－ｂｉｔ 不仅有软件加密，内部还有高质量硬件加密。 3，16个槽口的4kbits EEPROM： 4Kbits / 8 = 512Bytes 每个槽口32bytes 4，I2C接口, 单线接口 5, 和Atmel AT88SA102S，AT88SA10HS 6, i2c 地址默认为0xc8； 还可以configuration zone改变地址。(CryptoAuthentication Device Family Atmel offers the industry s widest selection of hardware authentication and encryption devices. The portfolio is currently comprised of three parts with several others under development. Our CryptoAuthentication devices provide confirmation that hardware and software products are real, which is what authentication is all about. The devices are extremely cost-effective and come in exceptionally small packages.)

说明：  oled的IIC代码,包含有四角oled英文文档，原理图，此文档来源于网络，并非自己所整理。(The IIC code of OLED contains four corners of OLED English document, schematic diagram. This document is from the network, not collated by oneself.)

bh1415 控制程序，通过数据线调整发射频率，适合做车载音频转接(bh1415 control procedures, through data lines transmitting frequency adjustment, suitable for car audio adapter)

用PSCAD软件编写的微网系统，包括风力，光伏和微型发电机(MicroGrid systems, including wind, photovoltaic and micro-generator)

这是一个DOS系统下关于中断的程序的源代码，可独立测试ISA总线上的15个中断(This is a DOS system on the interruption of the program' s source code, independent testing on the ISA bus 15 interrupt)

HEX 转换到BIN格式的工具，网上下载来的工具，经过改造。(HEX conversion to BIN format tools, tools downloaded online, after transformation.)

用C51单片机控制步进电机，基于protuse仿真，原理图+代码(C51&step motor)