Arduino to Firebase via Firebase-PHP

Arduino + Ethernet Shield = no-ssl support = no Firebase

Arduino + Ethernet Shield + FirebasePHP = Firebase!

You definitely need to make some changes to the script to make it work for your setup but this should get you started. i.e. your Firebase url, whitelist your server's IP address, etc.

Build using the Firebase PHP library from:

Firebase PHP Client

Based on Firebase REST API

Base library: @ktamas77 Token auth: @craigrusso Update & Push method: @mintao