Re: [DIYbio] eVOLVER bioreactors

On 3/24/19 11:57 AM, Jonathan Cline wrote:
> It is not possible to heat well using the power given to that board through
> that connector with 1A max per pin.

They report doing cultures with it, so there must be something missing from
your take on it. They won't get to 1 Amp with a 40 Ohm heater -- that would be 40 volts and this is
a low voltage looking system. Maybe the whole thing is usually in a low air flow clear plastic box.
maybe they put on some insulating covers when they use it.
Why say they are to be ignored? You're not putting out anything similar/better.
I think it is a good proof of concept. I can believe they get +/- 2 deg C
temperature control. They do mention heat transfer paste, so they discovered
the low heat flow you suspected and did a first cut fix of it.

I'm not responding to any more eVOLVER bashing, only constructive criticism.

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