View allAll Photos Tagged ethernet
This the rear of an ethernet patch panel. the cables are terminated using a punch down tool (similar to the 110 punch down blocks). In order to get the best performance out of the cables it is recommended that the twists are maintained and that as little as possible of the jacket is removed. Likewise, velcro straps are preferred over cable ties since they have a smaller chance of kinking the cable.
Há pouco tempo atrás vi uns documentários sobre a história da internet, computadores, empresas de informática. Resolvi postar uma foto relacionada ao assunto 'internet e tecnologia'. hehe
This is a 10/100 Fast Ethernet Controller from Realtek Semiconductor Corp.
It has several integrated parts, including a PCIE 1.0a controller and embedded memory. It also supports Advanced Configuration Power Management Interface (ACPI).
There is writing in the bottom left, but it is difficult to make it out at 100X.
This was one of the easiest Realtek packages to open, usually the epoxy sticks to the die and I have to scrape it off.
Camera: Pixel 2XL
Number of Images: 35
Overlap: 65%
Microscope Objective: 10X
Microscope Eyepiece: 10X
Camera Zoom: 3X (Prevents distortion)
Grid Used: 3x3 (Panning Aid)
Capture Motion: Serpentine
Stitching Software: Autopano Giga
Image Type: PNG
Image Quality: 100%
Ideal for data center, raised floor and ladder
rack environments enabling up to 75%
faster deployment time. Well organized
cable bundles improve cable management
and air flow
For high-density, high-performance wiring closet functions, the 5698TFD offers 96 ports of 10/100/1000—including six in a combo configuration with 100/1000BASE-X SFP ports and two 10GBASE-X XFP ports. This top-of-the-line switch offers significant advantages in pricing and power consumption. As with all 5600 models, it features field-replaceable power supplies for enhanced resiliency.
I hooked GitHub's stoplight up to their build system via Arduino, some relays, and an ethernet shield. Read about the process here:
www.urbanhonking.com/ideasfordozens/2010/05/the_github_st...
Ethernet cables convey the finished stories by journalists about the just released reports about cotton ginnings, cranberries, and crop production while within this data secure room of the U.S. Department of Agriculture (USDA) National Agricultural Statistics Service (NASS) Agricultural Statics Board Lockup facility, in Washington, D.C., on Thursday, August 10, 2017. Their stories are sent and the reports are made publicly available, at 12 noon. Before entering the Lockup facility, visitors are given a briefing on NASS history and processes, then given a chance to ask questions. Inside the facility, visitors and staff are required to remove and secure electronic communication devices before entering. Statisticians who are secured in the facility over night generate the reports. USDA Photo by Lance Cheung.
Was $10.88 プリンター、ルーター、Xbox、PS4に最適。(リンク先）https://www.amazon.com/Ethernet-Structured-Cabling-Solutions-1Pack-3Ft/dp/B07RVJ6L4Q
The completed clock with hands attached.
The clock is composed of two servos, an Arduino, and an ethernet module. The clock updates every fifteen minutes by checking the Environment Canada website and updates the hands accordingly.
More information: http://www.seancarney.ca/projects/weather-clock
UPDATE: You can still find the Arduino Library here: arms22.googlecode.com/files/CameraC328R.zip
// C328R_with_I2C_flash_LCD
// by s_p_e_x, some rights reserved
//
// Based on work by Sean Voisen
// (http://gizmologi.st/2009/04/taking-pictures-with-arduino/)
// and Ryan Detzel
// (http://10kohms.com/arduino-external-eeprom-24lc256)
//
// I converted Seans code to use I2C EEPROM instead of SPI
// Flash. Also I wrote A base64 encoder in an attempt to dodge
// problems with escape codes messing up terminal programs. I'm
// still having issues. But it does work and opens the door to
// a direct interface via Ethernet and a web browser.
// Oh, and I added LCD support to have some clue about what is
// going on. Without having access to the serial interface I
// was really puzzled by why it wasn't working.
// After struggling with getting a proper 3.3V source
// (I finally switched to a "real" Arduino with a built in
// 3.3 regulator) and with iffy contacts on the camera cable
// I was totally thrown by the long delay to write the image to
// the I2C flash. Having an LCD took much of the guess work out.
//
// My I2C EEPROM is a 24LC256, and I use the highest two bytes
// to hold the picture size so when you reset it knows how much
// to read back.
// Unforunately the I2C EEPROM is SLOW, so if you can't monitor
// the progress via an LCD, be very patient waiting for the
// lights to blink and tell you setup() is over. ~5 minutes
// Here's a Function Map which helped me figure out the example:
//setup(){
// if A0 is HIGH
// camera.sync()
// camera.initial()
// camera.setPackageSize()
// camera.setLightFrequency()
// camera.snapshot()
// camera.getJPEGPicture()
// fillPageBuffer()
// writeBuffer() -- for loop
// writeEEPROM() -- write bytes to EEPROM
// getJPEGPicture_callback()
// camera.poweroff()
// if A0 is LOW
// transferPicture() -- print bytes from EEPROM
// bintoascii() -- base64 encoder not perfect but works
// readEEPROM() -- for loop read bytes from EEPROM
//}
//loop(){
// blink LED
//}
// wire A0 HIGH or LOW to take a picture or to extract a picture
// HIGH will guide the camera through init and a photograph and
// transferring to flash before exiting setup().
// LOW will read back the flash and send the data base64 encoded to
// the console. I added a header and footer to take advantage of the
// URI data scheme:
// secure.wikimedia.org/wikipedia/en/wiki/Data_URI_scheme
// On my Mac I extracted the picture with screen:
// screen /dev/tty.usbmodemfd551 38400
// This was on a Mac with an Arduino Uno. The device name may vary.
// Very quickly turn on the logging ^aH (control-A and then shift-H).
// Once the image is done dumping, exit screen completely: ^a^\
// rename the logfile to a .html file:
// mv ~/screenlog.0 image.html
// You should now be able to view your image directly with FireFox.
#include "CameraC328R.h"
#include
#include
#define LED_PIN 13
#define PAGE_SIZE 64
#define BAUD 38400
#define eeprom1 0x50 //Address of 24LC256 eeprom chip
// Buffer for EEPROM data
byte pageBuffer[PAGE_SIZE];
CameraC328R camera;
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
static uint16_t pictureSizeCount = 0;
static uint16_t pageBufferIndex = 0;
static uint16_t currentAddress = 0;
bool dirtyBuffer = false;
int capture_mode_switch = A0; //HIGH => take picture; LOW => extract picture
int CaptureMode;
byte readEEPROM(int deviceaddress, unsigned int eeaddress ) {
byte rdata = 0xFF;
Wire.beginTransmission(deviceaddress);
Wire.send((int)(eeaddress >> 8)); // MSB
Wire.send((int)(eeaddress & 0xFF)); // LSB
Wire.endTransmission();
Wire.requestFrom(deviceaddress,1);
if (Wire.available()) rdata = Wire.receive();
return rdata;
}
void writeEEPROM(int deviceaddress, unsigned int eeaddress, byte data ) {
Wire.beginTransmission(deviceaddress);
Wire.send((int)(eeaddress >> 8)); // MSB
Wire.send((int)(eeaddress & 0xFF)); // LSB
Wire.send(data);
Wire.endTransmission();
//yes you need this delay, and yes it makes flashing take 5 minutes or so
delay(5);
}
/**
* Writes the data in the buffer to the EEPROM at the page
* starting at the given address.
*/
void writeBuffer( int deviceaddress, uint16_t address, uint16_t bufferSize )
{
// Send the data
for( uint16_t i = 0; i < bufferSize; i++ )
{
writeEEPROM(deviceaddress, address+i, pageBuffer[i]);
}
//digitalWrite( SS_PIN, HIGH );
}
/**
* Fills the page buffer for the EEPROM with data.
*/
void fillPageBuffer( byte* data, uint16_t dataSize )
{
for( uint16_t i = 0; i < dataSize; i++ )
{
pageBuffer[pageBufferIndex] = data[i];
dirtyBuffer = true;
pageBufferIndex++;
if( pageBufferIndex == PAGE_SIZE && dirtyBuffer )
{
pageBufferIndex = 0;
writeBuffer(eeprom1, currentAddress, PAGE_SIZE );
currentAddress += PAGE_SIZE;
dirtyBuffer = false;
delay( 50 );
}
}
}
void bintoascii(char * outstring, byte byte0, byte byte1, byte byte2, uint16_t count)
{
//outstring points to 4char string
// byteX are the three possible input bytes
// count marks the number of input bytes, this should
// always be 0 unless it is the last one or two input bytes
byte temp1, temp2, temp0;
char base64chars[]= "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
if (count == 0){
temp0 = byte0;
temp1 = byte1;
temp2 = byte2;
}
if (count == 1){
temp0 = byte2;
temp1 = 0;
temp2 = 0;
}
if (count == 2){
temp0 = byte1;
temp1 = byte2;
temp2 = 0;
}
outstring[0]=base64chars[temp0 >> 2];
//Serial.println(base64chars[temp0 >> 2], BYTE);
outstring[1]=base64chars[((temp0 & 0x03) 4)];
outstring[2]=base64chars[((temp1 & 0x0f) 6)];
outstring[3]=base64chars[(temp2 & 0x3f)];
// add padding
if (count == 1){
outstring[2]='=';
outstring[3]='=';
}
if (count == 2){
outstring[3]='=';
}
}
/**
* Sends a picture to the computer.
*/
void transferPicture( uint16_t startAddress, uint16_t size )
{
char base64text[]="****";
byte old, older, oldest;
uint16_t endAddress = startAddress + size;
uint16_t i;
Serial.println("<img src=\"data:image/jpeg;base64,");
for( i = startAddress; i < endAddress; i++ )
{
oldest = older;
older = old;
old = readEEPROM( eeprom1, i );
// Serial.print(i, DEC); Serial.print(": "); Serial.println(old, DEC);
if ((i+1) % 3 == 0) { // every 3 bytes you print 4 characters
// Serial.print(oldest, DEC); Serial.print(" "); Serial.print(older, DEC); Serial.print(" "); Serial.print(old, DEC); Serial.print(" ");
bintoascii(base64text, oldest, older, old, 0);
Serial.print(base64text);
}
if((i+1) % 57 == 0) { // every 72 characters, you start a new line
Serial.println("");
}
}
//Serial.print( readEEPROM( eeprom1, i ), BYTE );
if ((size % 3) != 0) { //if the image is not a multple of 3 bytes, encode the stragglers
//Serial.print(oldest, DEC); Serial.print(" "); Serial.print(older, DEC); Serial.print(" "); Serial.print(old, DEC); Serial.print(" ");
bintoascii(base64text, oldest, older, old, i%3);
Serial.print(base64text);
}
Serial.println("\" />");
}
/**
* This callback is called EVERY time a JPEG data packet is received.
*/
void getJPEGPicture_callback( uint16_t pictureSize, uint16_t packageSize, uint16_t packageCount, byte* package )
{
// packageSize is the size of the picture part of the package
pictureSizeCount += packageSize;
// print progress
lcd.setCursor(0, 1);
// 0123456789012345
lcd.print(" ");
lcd.setCursor(0, 0);
// 0123456789012345
lcd.print("Camera -> EEPROM");
lcd.setCursor(0, 1);
lcd.print(pictureSizeCount, DEC);
lcd.print("/");
lcd.print(pictureSize, DEC);
// package contains everything in the package
fillPageBuffer( package, packageSize );
if( pictureSizeCount == pictureSize )
{
// Is there still stuff in the buffer?
if( dirtyBuffer )
{
writeBuffer(eeprom1, currentAddress, pageBufferIndex );
}
writeEEPROM(eeprom1, 65534, pictureSize & 0xff);
writeEEPROM(eeprom1, 65535, pictureSize >> 8 & 0xff);
camera.powerOff();
lcd.setCursor(0, 0);
// 0123456789012345
lcd.print("Camera OFF. ");
digitalWrite( LED_PIN, HIGH ); // DONE!
// Serial.flush();
// delay( 5000 ); // Give us 5 seconds to hit a key ...
//
// lcd.setCursor(0, 1);
// // 0123456789012345
// lcd.print("Send over Serial");
// transferPicture( 0, pictureSize );
}
}
//***********************************************************
//
// S E T U P
//
//***********************************************************
void setup()
{
uint16_t storedpicturesize;
Serial.begin( BAUD );
Wire.begin();
pinMode( LED_PIN, OUTPUT );
digitalWrite( LED_PIN, HIGH );
lcd.begin(16, 2);
if (analogRead(capture_mode_switch) > 511) {
CaptureMode = 1;
} else {
CaptureMode = 0;
}
if(CaptureMode == 1) {
if( !camera.sync() )
{
//Serial.println( "Sync failed." );
lcd.setCursor(0, 0);
lcd.print("Sync failed.");
return;
} else {
lcd.setCursor(0, 0);
lcd.print("Synced.");
}
digitalWrite( LED_PIN, LOW );
if( !camera.initial( CameraC328R::CT_JPEG, CameraC328R::PR_160x120, CameraC328R::JR_640x480 ) )
{
//Serial.println( "Initial failed." );
lcd.setCursor(0, 0);
lcd.print("Initial failed.");
return;
} else {
lcd.setCursor(0, 0);
lcd.print("Inited.");
}
if( !camera.setPackageSize( 64 ) )
{
//Serial.println( "Package size failed." );
lcd.setCursor(0, 0);
lcd.print("Package size failed.");
return;
} else {
lcd.setCursor(0, 0);
lcd.print("Package sized.");
}
if( !camera.setLightFrequency( CameraC328R::FT_50Hz ) )
{
//Serial.println( "Light frequency failed." );
lcd.setCursor(0, 0);
lcd.print("Light frequency failed.");
return;
} else {
lcd.setCursor(0, 0);
lcd.print("Light frequenced.");
}
// Let camera settle, per manual
delay(2000);
digitalWrite( LED_PIN, HIGH );
if( !camera.snapshot( CameraC328R::ST_COMPRESSED, 0 ) )
{
//Serial.println( "Snapshot failed." );
lcd.setCursor(0, 0);
lcd.print("Snapshot failed.");
return;
} else {
lcd.setCursor(0, 0);
lcd.print("Snapshotted.");
}
digitalWrite( LED_PIN, LOW);
if( !camera.getJPEGPicture( CameraC328R::PT_JPEG, PROCESS_DELAY, &getJPEGPicture_callback ) )
{
//Serial.println( "Get JPEG failed." );
lcd.setCursor(0, 0);
lcd.print("Get JPEG failed.");
return;
} else {
lcd.setCursor(0, 0);
lcd.print("Got JPEG.");
}
} else {
lcd.setCursor(0, 0);
// 0123456789012345
lcd.print("Send in 5 secs ");
Serial.flush();
delay( 5000 ); // Give us 5 seconds to hit a key ...
lcd.setCursor(0, 0);
// 0123456789012345
lcd.print("Send over Serial");
storedpicturesize = readEEPROM( eeprom1, 65535 );
storedpicturesize = ((storedpicturesize*256) + readEEPROM( eeprom1, 65534 ) );
//storedpicturesize = ((storedpicturesize << 8) | readEEPROM( eeprom1, 32766 ) );
//storedpicturesize = ((storedpicturesize << 8) | readEEPROM( eeprom1, 32767 ) );
lcd.setCursor(0, 1);
// 0123456789012345
lcd.print("send");
lcd.print(storedpicturesize, DEC);
lcd.print(" bytes");
transferPicture( 0, storedpicturesize );
lcd.setCursor(0, 0);
// 0123456789012345
lcd.print("send complete ");
}
}
void loop()
{
digitalWrite( LED_PIN, HIGH ); // DONE!
delay(100);
digitalWrite( LED_PIN, LOW ); // DONE!
delay(100);
}
// wow, flickr is not a good place to be sharing code
Was $10.88 プリンター、ルーター、Xbox、PS4に最適。(リンク先）https://www.amazon.com/Ethernet-Structured-Cabling-Solutions-1Pack-3Ft/dp/B07RVJ6L4Q
How to install a device driver for Mellanox ConnectX-4 Ethernet card on Linux
If you would like to use this photo, be sure to place a proper attribution linking to Ask Xmodulo
Oddly, the Ethernet and USB ports all operate off the same "bus" - I have heard this can cause occasional bottlenecks for data, but I haven't personally noticed any (yet).
Embedded Electronics Starter Kit from GHI Electronics
FEZ Spider Starter Kit
www.ghielectronics.com/catalog/product/297
FEZ Spider Starter Kit is the first commercially available .NET Gadgeteer-compatible kit. it includes everything necessary for educators, hobbyists and even professionals. Embedded development is fast & easy (FEZ) thanks to .NET Micro Framework, .NET Gadgeteer and the numerous GHI value added features such as WiFi and USB Host.
The kit includes:
FEZ Spider Mainboard
Display T35 Module (3.5" with touchscreen)
USB Client DP Module (with USB cable)
Camera Module
2x Multicolor LED Module (DaisyLink)
2x Button Module
Ethernet J11D Module
SD Card Module
USB Host Module
Extender Module
Joystick Module
10cm IDC cables (included with modules).
Assorted IDC Cable Pack:
4x 5cm IDC cables
3x 20cm IDC cables
1x 50cm IDC cable
Reusable Plastic Storage Box
FEZ Spider Mainboard is a .NET Gadgeteer-compatible mainboard based on GHI Electronics' EMX module. This makes FEZ Spider Mainboard the most feature-full .NET Gadgeteer compatible device in the market. It contains all of .NET Micro Framework core features and adds many exclusive features, such as USB host, WiFi and RLP (loading native code). All these features combine to provide a rapid prototyping platform.
Key Features:
14 .NET Gadgeteer compatible sockets that include these types: X, Y, A, C, D, E, F, H, I, K, O, P, S, T, U, R, G, B and Z.
Configurable on-board LED
Configuration switches.
Based on GHI Electronics EMX module
72MHz 32-bit ARM7 processor
4.5 MB Flash
16 MB RAM
LCD controller
Full TCP/IP Stack with SSL, HTTP, TCP, UDP, DHCP
Ethernet, WiFi driver and PPP ( GPRS/ 3G modems) and DPWS
USB host
USB Device with specialized libraries to emulate devices like thumb-drive, virtual COM (CDC), mouse, keyboard
76 GPIO Pin
2 SPI (8/16bit)
I2C
4 UART
2 CAN Channels
7 10-bit Analog Inputs
10-bit Analog Output (capable of WAV audio playback)
4-bit SD/MMC Memory card interface
6 PWM
OneWire interface (available on any IO)
Built-in Real Time Clock (RTC) with the suitable crystal
Processor register access
OutputCompare for generating waveforms with high accuracy
RLP allowing users to load native code (C/Assembly) for real-time requirements
Extended double-precision math class
FAT File System
Cryptography (AES and XTEA)
Low power and hibernate support
In-field update (from SD, network or other)
Dimensions: W 2.25" x L 2.05" x H 0.5"
Power
Low power and hibernate modes
Active power consumption 160 mA
Idle power consumption 120 mA
Hibernate power consumption 40 mA
Enviromental:
Requires .NET Gadgeteer standard red power modules.
RoHS compliant /Lead-free compliant
Most EMX software features are GHI exclusive, see software documentation for details.
For more information about .NET Gadgeteer visit:
Photograph taken by Michael Kappel
A browser window connected to an ethernet cable, showing some basic HTML tags.
I use this one to express web developers.
This is a 10/100 Ethernet Controller made by Realtek. I think it was made in 2005, but there are several revisions of this chip made during different times so I do not know if this is correct.
According to en.wikipedia.org/wiki/RTL8139 it uses 0.25µ CMOS process and uses 2.5 or 3.3 Volts.
There are inscriptions in the bottom and top left corners of the chip.
This is a composite of 88 images taken by a pixel 2XL from a microscope at 100X. The images had 65% overlap and were stitched together in Autopano Giga.
The completed clock with hands attached.
The clock is composed of two servos, an Arduino, and an ethernet module. The clock updates every fifteen minutes by checking the Environment Canada website and updates the hands accordingly.
More information: http://www.seancarney.ca/projects/weather-clock
U.S. 5TH FLEET AREA OF RESPONSIBILITY (May 16, 2014) U.S. Marine Corps Cpl. Nicholas Rex, 22nd Marine Expeditionary Unit (MEU) data network specialist and native of Mount Vernon, Ohio, uses an RJ-45 crimper to tip an Ethernet cable aboard the USS Bataan (LHD 5). The 22nd MEU is deployed with the Bataan Amphibious Ready Group as a theater reserve and crisis response force throughout U.S. Central Command and the U.S. 5th Fleet area of responsibility. (U.S. Marine Corps photo by Sgt. Alisa J. Helin/Released)
This is a prototype RFID internet controlled access system for TechShop. It uses an Arduino with Ethernet shield, and a Seeeduino and servo for automated testing.
Cable In
To TV
Ethernet
HDMI Input 1, 2
Audio/Video Out
Comp Out
HDMI HD to TV
SD Card
Digital Audio Out
USB
eSATA
Power
Was $13.05 プリンター、ルーター、Xbox、PS4に最適。(リンク先) https://www.amazon.com/Ethernet-Zosion-Internet-2000Mhz-Shielded/dp/B07Q2VGPSH
Power, ethernet and USB plug on business class seats on Lufthansa flight LH711. I wonder what the USB port does. I wonder if you can mount the plane as an external device...
UPDATE:
Veni says the ethernet port doesn't work yet.
How to set up Raspberry Pi as a WiFi access point
If you would like to use this photo, be sure to place a proper attribution linking to xmodulo.com