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SousVide-O-Mator

Stian made this awesome sous-vide temp. controller, which he calls the “SousVide-O-Mator”. Built around an ATMega328 with the Arduino bootloader, it uses a DS18B20 temp. probe to monitor the temp, a 20×4 LCD to communicate with the user, and a solid-state relay to switch the rice cooker on and off. It also features one of the neatest, cleanest stripboard layouts I’ve ever seen (style counts!). He writes:

My brand spanking new homemade Sous Vide controller (PID controller for cooking). By connecting the relay to my rice cooker and putting the probe and a small aquarium pump inside I’m able to very accurately control the water temperature..

This is basically a heating immersion circulator as used by some fancy restaurants – readily made equipment cost in the range of $1000.. So I made one myself on the cheap (controller + rice cooker + water pump). This can be used to cook meat to perfection 🙂

Perfect for Sous Vide cooking! ( For more information about Sous Vide: en.wikipedia.org/​wiki/​Sous-vide )

Source code is available at bitbucket. Nice work, Stian!


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5 Comments

  1. HMMM, looks very similar to our $80 system (http://lowereastkitchen.com). You should warn potential builders that the SSR is not rated to 25 A unless it is attached to an infinite heatsink. Without a heatsink, and at room temp (as used in this movie), it is limited to around 6 A (see Omron datasheet: http://www.ia.omron.com/data_pdf/data_sheet/g3na_ds_csm165.pdf ).

    Shoutouts for these people but not your friendly open source neighbors? :'(

  2. @abe – john is one our blogger here, he didn’t know we were talking to you in the forums about your kit. we had a post planed about your kit later this week but john posted this first, we don’t coordinate post topics – the authors are free to write what they want and when 🙂

    we’ll put up a post with your kit later today.

  3. I’ve no idea how you found this, but thanks a lot for the plug, only made a quick video to demo for a few friends 🙂

    The project isn’t done yet, I was planning to blog about it and document it properly after putting it inside a nice enclosure. Probably going for a case with a metal plate (backside) for the SSR – my rice cooker is however very low wattage – only pulling 3.5A/220v – I’ve never even felt the relay become lukewarm when running at full effect for a long period. I will remember to warn others about it though when I document the build later on, so thank you for the heads up Abe 🙂

  4. @Stian: I used my maker/blogger-fu to find your project, but posting on Vimeo with appropriate tags (as you did) helps a lot! 🙂

    Drop a note in the comments here when you’ve finished your documentation and I’ll do an update!

  5. Nice to see all the sous-vide kits. I made a $60 open hardware kit for chest freezer conversions, sous-vide and many types of fermentations. I’m making yogurt and cheese right now!

    http://screwdecaf.cx/yatc.html

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