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Apple Thunderbolt to ethernet adapter.

 

More information about the Thunderbolt interface: en.wikipedia.org/wiki/Thunderbolt_(interface)

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I do need to work on making these cables neater. I do have the power cables tied to the table leg with Velcro stripes. However, I left the Ethernet and speaker wires off to the side to minimize interference.

This is a ridiculously easy solution for hard-to-wire locations that are unsuitable for wireless.

 

I converted my garage to a home studio. I could just about get WiFi reception in there, but it was flaky and intermittent, and sometimes impossible.

 

So I thought I'd try one of these. Connect it to your modem/router with the supplied ethernet (cat5) cable, plug it into a free power socket, and do the same thing the other end with your computer.

 

No configuration, nothing to install (on my Mac anyway). Didn't even have to reboot. Speed is brilliant.

Allows a bakery to tweet when things have just come out of the oven.

 

This connector uses the T-568-B wiring standard for Ethernet cabling. Although there are 8 contacts on the connector, and 8 wires in the cable, only 4 are actually used for signal transmission.

This is the HP MicroServer motherboard, with a video card, mini flash drive (top left) and one DIMM already installed.

VIA Rhine VT6107 Ethernet Controllers chip image

Testing half of the LEDs for installation in my dorm room.

VIA Tahoe VT6108 Ethernet PHY Transceivers chip image

Spectracom TTS 220 GPS Time Server

 

Stratum 1 NTP Time Server

Browser-based user interface Secure Sockets Layer (SSL) protection

Secure remote login and file transfer with Secure Shell (SSH)

Secure Copy Protocol (SCP), Secure File Transfer Protocol (SFTP)

Ethernet 10/100 BaseT network connection

Two user programmable front panel LCD status screens

Remote diagnostics, upgrades, config and control over secure communication link

Automatic adjustment for local time, DST

This panorama didn't turn out that clear, but doesn't matter, i just wanted to show a friend of mine my whacky setup, as i was using Synergy to control the mouse/keyboard on my old PowerBook (right) from my MacBook Pro (left).

 

The two machines are on a roughly 45º degree angle from the point the photos were taken...

Ethernet cable plugged into RJ-45 Jack with Cat 5 cable completed.

st to st custom white fiber optic cable Ethernet patch cord available in single-mode 9/125 and multi-mode 62.5/125

st to st custom purple fiber optic cable Ethernet patch cord available in single-mode 9/125 and multi-mode 62.5/125

it's like working with DCC but not.

  

(testing out the process with a short length of cable)

The Nexys 4 board is a complete, ready-to-use digital circuit development platform based on the latest Artix®-7 Field Programmable Gate Array (FPGA) from Xilinx®. The Artix-7 FPGA is optimized for high performance logic and offers more capacity, higher performance, and more resources than earlier designs. With its large, high-capacity FPGA (Xilinx part number XC7A100T-1CSG324C), generous external memories, and collection of USB, Ethernet, and other ports, the Nexys 4 can host designs ranging from introductory combinational circuits to powerful embedded processors.

 

store.digilentinc.com/nexys-4-artix-7-fpga-trainer-board-...

 

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...

I am not an engineer, it is not pretty, but I do have gigabit ethernet in every room of the house. Woot.

fc to lc custom white fiber optic cable Ethernet patch cord available in single-mode 9/125 and multi-mode 62.5/125

RJ-45 ethernet keystone jack wiring.

VIA Tahoe VT6108S Ethernet PHY Transceivers chip image

Step 3: Prep the cut wires.

 

This is a closer shot of the wires that make up the P-TTL sync cable. On mine, the blue wire's insulation was significantly tougher than the others. The punchdown tool and RJ45 module were unable to fully pierce it. I had to strip some of the insulation by hand.

 

I didn't want to worry about using crossover or regular ethernet cables. I wanted to be able to grab any old cable and make the flash work without the risk of crossing wires. The difference between the two cable types is that pins 1 and 3 are swapped, as are 2 and 6. Since the Pentax sync cable has 5 conductors, I couldn't completely avoid all of those pins. I chose to join pins 1, 2, 3, and 6 so that the P-TTL cable's pin 2 would use all of them. This means that standard and crossover ethernet cables will still cause pin 2 on the sync cable to be connected. I bundled the bare copper and distributed it between the connectors for RJ45 pins 1, 2, 3, and 6 -- which are all on one side of the module.

 

THIS IS A DANGEROUS PROJECT. IT CAN BREAK YOUR CAMERA, YOUR FLASH, OR BOTH. ATTEMPT IT AT YOUR OWN RISK.

 

Part 1

Part 2

Part 3

Part 4

Part 5

Diagram

 

The Atlys circuit board is a complete, ready-to-use digital circuit development platform based on a Xilinx® Spartan®-6 LX45 FPGA. The on-board collection of high-end peripherals, including Gbit Ethernet, HDMI Video, 128 MB DDR2 memory array, audio and USB ports make the Atlys board an ideal host for complete digital systems built around embedded processors like Xilinx's MicroBlaze™. Atlys is fully compatible with all Xilinx CAD tools, including ChipScope™, EDK, and the free WebPACK™, so designs can be completed with no extra costs.

 

store.digilentinc.com/atlys-spartan-6-fpga-trainer-board-...

 

This is the ethernet connection for the surface mount style, and needs a Ethernet Connector (port cover for this one is included in the package).

 

Read more about this on my website.

fc to st custom white fiber optic cable Ethernet patch cord available in single-mode 9/125 and multi-mode 62.5/125

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...

Gotta hand it to Daniel in my office's IT department for making sure the network in our new building is rock solid. In the old building, I'd have had to directly connect a cable between two computers to transfer at full gigabit speed. Not so any more. Grateful the new switched hubs and infrastructure are well-up to the task. As a result, I'm nearly certain I'll be fully migrated to the new iMac after a few last configurations tomorrow.

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