Need to add a virtual COM port to your PC? The TTLyFTDI adapter plugs onto your USB mini-B cable, and breaks out all the standard lines for Arduino-type TTL communication!
The Netduino 2 is an 32-bit open source electronics platform using the .NET Micro Framework with a rich development environment.
Netduino Plus 2 expands on the impressive 32-bit open source Netduino by adding ethernet connectivity and an SD card socket.
The Netduino mini is a breadboard-friendly of the impressive Netduino development platform that uses .NET micro framework.
This shield allows you to use a computer power supply (or other power source) to use your Arduino to switch high current.
The Solarbotics Arduino Freeduino Enclosure (SAFE) is a laser-cut acrylic case for your chopsticks. And by chopsticks, we mean Arduino or Freeduino. Go figure.
The Lots of LEDs Shield gives you total control over 126 SMD LEDS, creating a programmable display for your Arduino.