Gaggia Espresso PID Arduino Mod
The goal of this project is to create a computer interface to a Gaggia Espresso machine by replacing the factory thermal switches with a PID controller and the โ€œsteamโ€ and โ€œpumpโ€ toggle switches with a LCD/button menu system.
   Gaggia Espresso PID Arduino Mod
at www.blog.nashlincoln.com