Randytsuch coffee stuff

Here are my coffee pages.



I am into home roasting, have a PIDed, modified Gaggia Classic, a Vario grinder.

This blog shows how I made a pressure gauge using an old Gaggia portafilter
Building a Portafilter Pressure Gauge

Here is how I built a PID for controlling heat to my air popcorn popper coffee roaster
Building a Coffee Roaster PID

Making a preheater for a Gaggia
Construction details of the 1st revision of the preheater
Building the Revision 1 preheater

How the Rev 1 works
Preheater Rev 1 in use

Construction details of the 2nd revision of the preheater
Building the Revision 2 preheater

How the Rev 2 works
Preheater Rev 2 in use