[SGVHAK] recommendations for bench power supply

Braddock Gaskill braddock at braddock.com
Sat Mar 12 15:20:03 PST 2016


I thought PC switch mode supplies required a minimum load to operate?
On Mar 12, 2016 2:31 PM, "James McDuffie" <mcduffie at pitfall.org> wrote:

> You may consider converting an ATX power supply if all you need is 5, 12
> and possibly 3.3v depending on the power supply. It's a great way to reuse
> parts from old power supplies.
>
> You can use this board to make the project brain dead simple to build:
> http://dangerousprototypes.com/2012/06/28/new-prototype-atx-breakout-board
> /
>
> That board is out of stock but is open hardware so you'd just need to get
> the board from a fab shop and parts.
>
> On March 12, 2016 9:32:18 AM PST, Lan Dang via HAK <hak at sgvhak.net> wrote:
>>
>> Hi all,
>>
>> What would you recommend for an portable bench power supply for a novice mostly playing around with Arduinos?  I was inspired by our recent session at Tux-Lab examining old electronic components, where we were able to hook LEDs directly to the power supply because we could control the current.
>>
>>
>> I thought it would be nice to add this piece of equipment to the stuff I normally carry around to HAK meetings and Repair Cafe--hence needing it to be portable, as well.
>>
>> I'd like to buy one before our next Repair Cafe/Saturday HAK meeting.
>>
>> Recommendations please.
>>
>>
>> Thanks,
>>
>> Lan
>>
>>
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