What is the Onion Omega?

Well its a kick-ass little computer straight out of a Kickstarter campaign Onion Omega. The device about 1/4 the size of a Raspberry Pi that has built-in WiFi, Network connection (via pins or expansion board), USB 2.0, I2C bus and a 15 pin GPIO header.

Also check out the https://onion.io/ website for more info

Dimensions: 28mm x 42mm

OS: OpenWRT Linux

Processor: 400MHz

RAM: 64MB DDR2

Flash: 16MB

Wireless: 802.11 b/g/n

Ports: 18 GPIO

Best of all it basically lets you make whatever you want quickly using familiar tools such as Git and high level languages such as PHP, Python and Javascript.
Currently the following expansion boards are available:

• Ethernet
• OLED
• Relay
• PWM Servo

For ease of use there are also docks avaliable:

• Standard Dock
• Mini Dock
• Arduino Dock
• Battery Dock