Re: [DIYbio] Electronic requirements for redesign of Arduino PCR thermal cycler

I presume the power supply is simply for the Arduino part of the project, which is unchanged from the original. In fact, the only thing that has changed is the heater. It's like swapping a 40 watt light bulb for a 100 watt light bulb. You don't have to change anything else.

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On Thu, Feb 26, 2015 at 6:48 AM, John Griessen <john@industromatic.com> wrote:

On 02/26/2015 02:43 AM, Andy Morgan wrote:

So, I'm guessing then that a 12VDC 500mA power supply (like the one they specified in the original:
http://www.jaycar.co.nz/productView.asp?ID=MP3011&form=CAT2&SUBCATID=1000#12) will be fine then?

For what?

If you drive your big heater  with 12 V instead of 230V, proportionally less will happen.
Instead of 300W, you'll get (12/230 * 300Watts) = 16 Watts.

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