Good tip here, going to expand a bit...
I've taught a few non-ee folks over the years this that happen to ask so
as not to have to junk something for a lost power supply, but just
ensure the power supply puts out as much power as the previous unit to
meet the amperage demand (ie. 2A requires 2 amperes minimum), matches
voltage (5V, 7V, etc), and obviously the plug form factor/size, usually
the round type, in mm. Ebay is a good source for replacements, or a
goodwill.
They're mostly interchangeable as long as those match. Used to buy lots
of things at a swap meet as a kid and mix/match in missing power
supplies for a deal after I learned how ohm's law worked in middle
school. Still do with used electronics on ebay.
-mb
On 12/01/2014 11:49 PM, Brian Cluff wrote:
> If it's just using the common connector that everything seems to use
> these days, I just picked up a 6A power supply for $7.85 from amazon
> to run the water pump on my immersion circulator that would do a
> really good job, and because it's over rated for the device it
> shouldn't even burn up no you.
>
> There are others available for slightly cheaper, but I prefer to avoid
> wall warts so this is well worth the few extra cents.
>
> http://www.amazon.com/gp/product/B003TUMDWG
>
> Brian Cluff
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