Espresso machine using differential, integral and proportional control (PID control)

Gleb Polyakov and Igor Zamlinsky are always suffering that there are only two "commercially available espresso machines" which are "cheap and suitable for temperature and pressure adjustment" or "expensive for temperature and pressure adjustment" There was. So I decided to make my own cheap and easy-to-use espresso machine. that isPID control(Proportional / Integral / Derivative) using an espresso machine, "PID-Controlled Espresso Machine"is.

ZPM Espresso
http://zpmespresso.com/


PID-Controlled Espresso Machine by Gleb Polyakov and Igor Zamlinsky - Kickstarter


Since the two love coffee, we developed this machine with the desire to have everyone smell good coffee. The usual retail price is 400 dollars (about 31,000 yen), but Kickstarter can purchase it for 200 dollars (about 15,000 yen).


On the machineArduinoIt is used "completely open source". It seems OK even if the owner improves the software code or makes changes to the hardware.