The 100 Mbps connection Ethernet Expansion for the Onion Omega adds an Ethernet port to your Omega. Just plug this module onto your Expansion Dock, and connect it to your network with an RJ45 cable (not included).
The GPS Expansion for the Onion Omega is a USB-based expansion that allows your Omega to pinpoint its location using both GPS as well as China’s Beidou satellite positioning systems. It comes with an on-board GPS antenna as well as a built-in u.FL connector to attach your own antenna.
The OLED Expansion for the Onion Omega is a 0.96″ monochrome OLED display for your Omega. With a resolution of 128×64, it is very handy for displaying status information about your Omega. The OLED Expansion can be programmed to display both text information as well as bitmap graphics.
The Proto Expansion for the Onion Omega allows you to create your very own expansion that interfaces with your Omega. It provides a small soldering area and 30-pin header that plugs into the Expansion Dock. With it you will have full control over what kind of project you design for your Omega.
The Relay Expansion for the Onion Omega allows you to use your Omega to interface with various electronic appliances. It features two relays that can switch up to 60 W of power, with a maximum current of 2 A and a maximum voltage of 220 V DC or 250 V AC. Multiple Relay Expansions can be stacked together to allow a single Omega to control up to 16 objects...
The Servo (PWM) Expansion for the Onion Omega allows your Omega to output up to 16 PWM (Pulse Width Modulation) signals simultaneously. It is perfect for driving servo motors as well as for controlling LEDs.