STC51单片机控制步进电机源代码

/*温控系统实现功能要求：1在前三个数码管上显示 当前采集到的温度（0-99.9）2当环境温度低于27°c时，蜂鸣器开始以慢"滴"声报警，并且伴随p0.0口发光二级管闪烁（模拟开启制热设备）；当环境温度继续降低并低于25°c时，蜂鸣器以快‘滴’声报警，并且伴随p0.0和p0.1口发光二极管一起闪烁（模拟加大制热设备功率） 3当环境温度高于30时，蜂鸣器以慢‘滴’声报警，并且伴随p0.2闪烁（模拟开启制冷设备）；当环境温度继续升幅并高于32时，蜂鸣器以快‘滴’声报警，并伴随p0.2和p0.3二极管一起闪烁（模拟加大制冷设备） 4用串口将采集的温度数据实时发送给上位机，在上位机软件上显示当温度值*/ //将p2.4和138的j22的1连接

SDRAM Controller For Altera SOPC Builder and NIOS on DE2 kit board

2410的原理图整理，已经是原理图SCH文件，原理已验证通过，现在就是PCB还没制作完成-2410 schematic diagram of the sorting is already SCH schematic document, the principle has been verified through, now is not yet finished PCB

Include startup files and peripherial devices Code for Atmel ARM7 development-At91SAM7S Series Test Code for Mass Storage USB device under IAR platform

应用背景基于STM32F107串口转网口（TCP）双向透传关键技术在rt-thread2.0基础之上，实用性强，哈哈。

周立功DP_51S开发板下的时钟读写，并把读到的内容发到串口上的程序-weeks meritorious DP_51S development board under the clock read and write, and read the contents of the serial port procedures

1）LPC2148开发。开发板是由NEX机器人。链接：http://www.nex-robotics.com/lpc2148-development-board/lpc2148-development-board.html  2）GPS模块：联发科MT3318芯片组的模块链接：  http://www.nex-robotics.com/products/gps-receiver/gps-receiver-mt3318-module.html  3）加速度：MMA8451Q（3轴+/-8克I2C基于加速度传感器飞思卡尔）链接：  http://www.nex-robotics.com/products/sensors/3-axis-digital-accelerometer-with-voltage-regulator.html  4）GSM调制解调器：SIMCOM SIM900a链接：  http://www.rhydolabz.com/index.php?main_page=product_info&products_id=1079

背光控制，使用PWM方式控制背光亮度的无级调节。-Backlight control, the use of PWM control of backlight brightness adjustment stepless.

ATMEL公司的AT91RM9200的实时时钟的测试程序，armgcc编译-ATMEL AT91RM9200 the company"s real-time clock testing procedures, armgcc compiler

基于ADI blackfin 的DMA 描述符方式的程序。便于你理解这种独特的dma搬送方式-Based on the ADI blackfin descriptor mode DMA procedures. To facilitate your understanding of this unique feeding mode dma