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xiangpintexin
本作品以MSP430单片机为核心, 基于DDS原理,通过查表方式输出步进量为10HZ,频率为100HZ~2KHZ的正弦波。两路被测信号通过过零比较、异或和低通滤波整流,实现了对相位差的测量,误差小于(This works with MSP430 microcontroller as the core, based on DDS principle, by look-up table output step sizes for the 10HZ, frequency of 100HZ ~ 2KHZ sine wave. Two by the signal zero-crossing comparator, XOR, rectification and low-pass filtering, the realization of the phase of the measurement error is less than)
- 2013-05-23 15:14:22下载
- 积分:1
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picread
用picture控件实现人脸检测画面界面显示和视频流的选择(Achieved with the picture control interface display screen face detection and video streaming options)
- 2010-08-10 08:19:43下载
- 积分:1
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HandsOn1_5
在定时器控制下反复的裁减一幅图像和改变其大小(timer under the control of the repeated cuts an image and change its size)
- 2007-05-30 11:13:54下载
- 积分:1
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18B20
18B20电路图,温度传感器,汇编版与C语言版共有及51开发板上的连线(The 18B20 schematic, temperature sensor, assembly version of the C language version of Total and 51 development board of the connection)
- 2012-04-30 20:27:30下载
- 积分:1
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USB_2.0.pdf
stm32下跑通usb外设,编译环境基于keil(stm32 next run through usb peripherals, based on keil compiler environment)
- 2013-10-05 21:34:54下载
- 积分:1
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cc2530-datasheet
cc2530zigbee芯片英文资料,数据手册(cc2530zigbee chip information in English, Data Sheet)
- 2013-08-24 15:02:02下载
- 积分:1
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blcd-220V
本方案是基于富士通高可靠性单片机开发的锂电池电动螺丝刀,采用直流无刷电机作为核心,配合方波驱动以及闭环控制技术,实现电动工具的可靠运行。
技术参数
1)采用日本富士通MCU,性能稳定,抗干扰强,高可靠性;
2)直流18V输入(可兼容不同锂电池10V—36V);
3)三相霍尔直流无刷电机驱动,转速高达25000转/分;
4)采用德国英飞凌高性能MOS/IGBT,驱动功率高达800W;
5)高亮LED照明,工作时点亮,不工作时自动熄灭;
6)采用智能控制技术实现待机(不工作时)功耗为 0 消耗;
7)通过软件实现软启动,启动时间可调整,瞬间(1S)达最高速;
8)具有过流保护、堵转保护、过压欠压保护;
9)带速度设置按键、正反转按键、调速开关;
(The program is based on the Fujitsu MCU development of high reliability lithium battery electric screwdriver, brushless DC motor as the core, with the square wave drive and closed-loop control technology, power tools for reliable operation.)
- 2013-10-15 15:03:30下载
- 积分:1
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ReadthechipID
读取芯片ID 读取stc单片机的内部唯一码工具 绝对实用 (Stc read the chip ID read the only code within the microcontroller is absolutely useful tool)
- 2010-12-14 10:50:30下载
- 积分:1
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STEPPER-MOTOR
通过51单片机串行转并行,扩展IO口,实现四个步进电动机的控制。(By 51 microcontroller serial to parallel IO expansion port, to achieve four stepper motor control.)
- 2013-07-27 09:36:43下载
- 积分:1
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i2c
430 单片机的i2c程序,430有i2c集成(this is an I2C program of 430)
- 2015-03-06 19:37:15下载
- 积分:1