Crazy Coffee Roasters

December 3, 2006

Written by: Alan Parekh at 5:49 am. Filed under Crazy Hacks, Funny Hacks

This crazy computer controlled coffee roaster by Matthew Williams is just one of many stunningly elaborate machines displayed on Sweet Marias.

“Here’s my homemade PID’d West Bend Poppery I setup. The PID is a Fuji PXR4 that can be used standalone or interfaced with my laptop via a USB cable. It’s pretty much self-contained except for the external variac that I use to control the fan as the roast progresses. The roast chamber was built out of the original bakelite tube from the Poppery, a 3″ diameter glass tube, and fitted together using hi-temp RTV silicone. There is a screen at the bottom of the tube so you can remove the chamber to dump the beans.”

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4 Responses to “Crazy Coffee Roasters”

zedomax.com Says:
December 4th, 2006
Computer Controlled Coffee Roasters via PID

Check out some of these cool coffee roasters via
It seems like it’s controlled via a PID controller of some sort.

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Daily Clerks Says:
January 4th, 2007
[...] George has a great page of homemade “hot rod” coffee roaster, varoooooom! [via] – Link. [...]
cantormath Says:
January 21st, 2007
you have a howto on this?
John Says:
November 25th, 2009
Does it work well; if so, can I buy one? Martinojon@yahoo.com