Instead of ethernet you may look into WiFi - and then maybe you're better off with an ESP8266 based system, like the NodeMCU or WeMOS boards. Programs very similar to Arduino, same IDE, with WiFi built in. And they're cheap, too.
Instead of ethernet you may look into WiFi - and then maybe you're better off with an ESP8266 based system, like the NodeMCU or WeMOS boards. Programs very similar to Arduino, same IDE, with WiFi built in. And they're cheap, too.