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Thread: Hottop KN-8828B-2K Profiles and Tips !!

  1. #1
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    Hottop KN-8828B-2K Profiles and Tips !!

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Hey guys ! Just wondering if there is a way of linking a roast profile to my laptop for the KN-8828B-2K model. Id be interested to see how everyone else is roasting with the hottop! Im currently roughly heating 100% till 180c then increasing the fan and dropping the heat to around 40% then dumping at 203c. Also has anyone made any modifications to their hottop? Id be interested to see what genius creations people have come up with!

  2. #2
    Senior Member readeral's Avatar
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    Google your model number with "TC4" and you might find some suitable gear to do that for you. A bit DIY, but gives you computerised control of the Hottop. Alternatively I think there is a "+ upgrade" for your model that gives it a usb port so you can at least log the temps on the laptop, even if you can't control it.

    (I don't own a hottop, just in my googling for Arduino TC4 shield, I came across discussions about it)
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  3. #3
    Senior Member DavidW1960's Avatar
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    Try the Artisan software.

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    Bumping this thread. Picked up a hottop B-2K from Pullman last week and had my first "crack" at it last night.

    Had 2 goes at 250g Brazilian Cerrado as a play bean before trying my bean bay purchases
    - Costa Rica Miel SHB
    - India Elephant Hills

    Any recommendations on the approach. I found after researching that it seems full heat to about 175/180 or first crack, then drop the heat intensity and up the fan till second crack. Dump when I feel it has the colour/smell that I'm guessing correlates to the taste I want. It's a guess at the moment as I havent tried any of the two roasts.


    As an aside. Are there any thoughts on initial charge temp (when the beans are dumped in)? I've read anywhere from.75c to 125 c. When would you choose to use one intlitial temp over the other? Would it be based on bean density? Or altitude of growth?

  5. #5
    Senior Member DavidW1960's Avatar
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    I followed the video and used the temperatures he used as a guide. I charge at 100C I also use the artisan software on a RPi to control the roast by adjusting the heat and fan based on temperature which works really well and gives consistent results year round.

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    Quote Originally Posted by DavidW1960 View Post
    I followed the video and used the temperatures he used as a guide. I charge at 100C I also use the artisan software on a RPi to control the roast by adjusting the heat and fan based on temperature which works really well and gives consistent results year round.
    Thanks for the reply what video are you referring to?

  7. #7
    Senior Member DavidW1960's Avatar
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    Behmor Coffee Roaster
    Quote Originally Posted by nickm View Post
    Thanks for the reply what video are you referring to?
    I can't be certain but probably this one https://www.youtube.com/watch?v=9yN-avdpdJw
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