Freetronics
Freetronics was created in early 2010 by Practical Arduino co-author Jonathan Oxer and technical reviewer Marc Alexander as a result of a deluge of requests for kits, parts, and other odds and ends relating to the book. Since then we've launched a number of products and we're busily creating more, following the Open Source principles of sharing our designs to let other people build on our work just as we've built on the work of others.
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4-Channel Power-over-Ethernet Midspan Injector
Power-over-Ethernet uses your LAN to send power via the network cable to whatever device you have connected at the other end, saving you the hassle of plugging the device in to both the network and to power. PoE lets you centralise your power supplies.
$26.99
Eleven (100% Arduino Uno Compatible)
The "Eleven" is just like an Arduino Uno – but better!
It is based on the existing Arduino Uno but with improvements and updates for ease of use, cost and getting started. It's 100% Arduino compatible. Also included in the package are a USB cable, and our Getting Started guide sheet.
$39.99
EtherTen (100% Arduino compatible with onboard Ethernet)
Two tastes that taste great together: Arduino and Ethernet. But until now the only way to connect an Arduino to the Internet via a LAN was to add an Ethernet Shield. Wouldn't it be great if there was an Arduino-compatible board with on-board Ethernet?
$74.99
$69.99
LCD & Keypad Shield for Arduino
This LCD and Keypad Shield gives you a handy 16-character by 2-line display, 5 buttons and a controllable backlight, plug it straight in on top of your Arduino board or other project shields. The display is set behind the shield for a low profile fitment and nice look and we've included panel mounting screw holes in the corners.
$32.99