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Popcorn-Popper -> Coffee Roaster Mod

the-few writes "Tom Gramilas (Toms-roaster@columbus.rr.com) created a computer-controlled coffee roaster using an old West Bend Poppery I popcorn-popper (popular among home roasters with a modding mindset), a few thermocouples, and an old DOS computer. The code he wrote to control it is available from his site on request, and uses a flexible control algorithm to control roasting segments. Pictures and roasting profiles included."

6 of 169 comments (clear)

  1. Website Caches Please? by AbbyNormal · · Score: 4, Insightful

    Dear Slasdot Editors,

    Please setup caches before posting stories running off of home cable modem website spaces.

    The story is irrelevant/pointless in most cases, if TFA cannot be read to begin with.

    Thanks,

    Slashdot Reader

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  2. Home appliances future by Fox_1 · · Score: 3, Insightful

    Kinda neat, kinda bizarrely geeky, however the fact is that many kitchen appliances are getting wired. Microsoft is spending tons on the automated home (i've seen one of their model homes). There is that crazy fridge now with the tv built in, and for a long time now there have been appliances with various levels of programability - microwaves that read cooking instructions from the UPC, fridges with inventory lists, etc. Just as we hack other netpliances - phones, pda's... - we will be hacking these wired wonders of the kitchen.

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  3. Re:Does the coffee roaster have a web interface? by Ashtead · · Score: 2, Insightful
    Did you read TFA at all? The interfacing is through GPIB to the converter units, two to read the temperatures and one to control the power to the heaters. He evidently has got his GPIB card to work with Turbo C under DOS, and a similar device driver can be made or obtained for Linux, I'm quite certain.

    However, this whole thing is a proof-of-concept as it stands. Professional grade equipment, which is what is being used here, even under Linux, would be way too expensive for the average coffee-lover.

    I think he's done an excellent hack, and from how I understand TFA, I guess the next step would be refining and integrating the various units.

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  4. Intriguing but... by kilodelta · · Score: 1, Insightful

    Who wants to blow 3Kw in electricity to roast coffee? What would be cooler is if he did some robotic manipulation, ie. take the output of the roaster and dump into a grinder.

    But it's cool just the same.

  5. Re:Now that's a first.. by dfn_deux · · Score: 3, Insightful

    It never ceases to amaze me how people bag on Starbuck's coffee so much. I find that most of the competitors' coffee is over roasted and either brewed watery to compensate or just served up syruppy think like roof tar. Starbucks employs some of the most highly trained buyers and roasters in the coffee industry and consistantly brings a greater variety of quality beans to the public than was previously available without living in a major metropolitan and having a good sense of where to look. My only problem with starbucks is the number of wierd nutmeg/eggnog/carmel/fudge "latte" creations they serve means that many times the barrista serving you is not going to be accustomed to making proper espresso beverages such as a plain ol' macchiato or cappucino. But, then again they are just meeting a demand. If the American palate increasingly demands sweater richer flavours to satisfy an unhealthy desire to get fat, bloated, and lazy it's just business providing products which meet that demand.

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  6. Re:All things aside... by dbIII · · Score: 2, Insightful
    Do you really need a computer to pop popcorn?
    Once you've worked out how to do it with a general purpose machine a cheap PIC controller or similar could be used to do it the same way.
    We're hardly going to solve the worlds problems if the main focus of computing in engineering is a popcorn machine.
    Funny thing is about all I can remember from a 1986 open day at a university chemical engineering department was the hot air popcorn popper they had rigged up as a demonstration of a fluidised bed heating system. I believe they actually had a simple analogue computer (op-amps and patch leads) controlling it. I think they did solve some of the worlds problems with it - they applied the findings to more than just popcorn.