28 March 2014

Gaggia Classic. Controlling temperature using PID.


This post describes the temperature instability issues with single boiler home coffee machines, highlights the reasons and the ways of overcoming them. Installing PID controller seems the best way to improve temperature stability and introduce possibility of temperature adjustment to achieve better espresso flavours and consistency between shots. The remaining part of post describes my own experience of equipping Gaggia Classic coffee machine with PID controller. The post might be interesting for home coffee enthusiasts with DIY skills.