The OET is an Ethernet Adapter board For Onion Omega which works with Onion Omega 2 and Onion Omega 1. This Onion Omega Ethernet adapter provides an Ethernet Expansion for the Onion Omega 1 & 2. Using the Ethernet port you can control and program your Onion Omega over a network. The Onion Omega Ethernet Shield allows the Onion Omega to connect to hundreds of sensors, relay controllers, current monitoring devices, and a growing array of FET drivers over Ethernet.