搜索结果

网络是怎样连接的_户根勤---解压密码：666666目录浏览器生成消息 1——探索浏览器内部1.1 生成HTTP 请求消息51.1.1 探索之旅从输入网址开始 51.1.2 浏览器先要解析URL 71.1.3 省略文件名的情况 91.1.4 HTTP 的基本思路 101.1.5 生成HTTP 请求消息 141.1.6 发送请求后会收到响应 201.2 向DNS 服务器查询Web服务器的IP 地址24 ...

In this presentation, we will look at what the Serial Peripheral Interface, otherwise known as the SPI, is. and how it is used to communicate data to and from the PICmicro microcontroller.SPl is frequently used when few 1/O lines are available, but communication between two or more devices must be f ...

摘要：介绍了以FreeModbus协议找在嵌入式抢占实时操作系统μC/OS-l的STM32平台上，成功实现了Modbus协议的移植。通过详细分析FreeModbus协议花并编写STM32F103VET6微处理器的底层驱动，成功实现了工业Modbus协议RTU和ASCll两种模式的通信功能。测试结果表明，在实际工业生产控制和仪表开发中，应用Freemodbus协议，完全符合 ...

Datasheet SHT3x-DISHumidity and Temperature Sensor Fully calibrated, linearized, and temperaturecompensated digital output Wide supply voltage range, from 2.4 V to 5.5 V I2C Interface with communication speeds up to 1MHz and two user selectable addresses Typical accuracy of  2 %RH and  0 ...

ILI9881D Data Sheet for all customerAmorphous TFT LCD Single-Chip Driver 800(RGB)X1280 Resoltion,16.7M-Color Without internal Gramtwo data lanes supports up to 850Mbps on the mipi DSI link

The GD32F103xx device is a 32-bit general-purpose microcontroller based on the ARM?Cortex?-M3 RISC core with best ratio in terms of processing power, reduced power consumption and peripheral set. The Cortex?-M3 is a next generation processor core whichis tightly coupled with a Nested Vectored Interr ...

MT7688 family integrates a 1T1R 802.11n Wi-Fi radio,a 580MHz MIPS? 24KEcTM CPU,1-port fast Ethernet PHY, USB2.0 host, PCIe, SD-XC,I2S/PCM and multiple slow IOs. MT7688 provides two operation modes-IoT gateway mode and IoT device mode. In IoT gateway mode, the PCI Express interface can connect to 802 ...

STM32F驱动L6470   ■ Operating voltage: 8 - 45 V■ 7.0 A out peak current (3.0 A r.m.s.)■ Low RDS(on) Power MOSFETs■ Programmable speed profile and positioning■ Programmable power MOS slew rate■ Up to 1/128 microstepping■ Sensorless stall detection■ SPI interface■ Low quiescent and ...

VIP专区-嵌入式/单片机编程源码精选合集系列（66）资源包含以下内容：1. 适用与S3C2410A和S3C2440A的SD卡驱动程序.2. 这款无线报警主机对任何发射频率为315M.3. 精密可调基准电压发生器源程序 --- 2006-3-18 16:58:.4. 汉字点阵滚动指示牌源程序 --- 2006-3-18 16:59:00.5. 近日对农历计算感兴趣.6. 串口通讯实例 高精度电 ...

VIP专区-嵌入式/单片机编程源码精选合集系列（161）资源包含以下内容：1. 温度监视器.2. 通过按键在3位一体的数码管上显示数字.3. 在IAR 环境下.4. pruotues仿真教程 pruotues仿真教程 pruotues仿真教程.5. 嵌入式系统设计的好书.6. i2c总线的verilog代码.7. 1、实验目的 掌握编写一般GUI程序的基本步骤.8. 红色飓风原理图 ...