Re: [Gumstix-users] Nice batteries

[Keith O. <kso...@gm...>]

Keith Olson wrote:

> Craig Hughes wrote:
>
>> On Oct 30, 2005, at 8:05 PM, Michael M. Butler wrote:
>>
>>> On 10/30/05, Keith Olson <kso...@gm...> wrote:
>>>
>>>
>>>> Good points.  Perhaps they should offer an optional supply with a
>>>> switch( like you can get at Radio Shack)  for 5v, 4.5v, 4v, 3.5v,  
>>>> etc.
>>>>
>>>
>>> Simpler, I suspect, to just stock and sell a CF power supply and a
>>> non-CF power supply, and document what is best used where, and why.
>>>
>>> The company's value-added isn't really power supplies per se. :)
>>
>>
>>
>> I believe (though I wasn't the guy working on it) that the reason 
>> for  the 4V supply was two-fold:
>>
>> 1. We couldn't find a good, small, 5V UL & CE-rated supply (the one  
>> we have been using is I think UL only)
>> 2. The 5V supply makes the netDUO power controllers gets *really*  
>> warm.  Like "Ouch!  That's warm!"
>>
>> I think someone might have said at some point that the power supply  
>> we used to use isn't available any more too.
>>
>> My personal feeling on these new power supplies is that I hate them  
>> -- not because they're bad supplies, but because the box they come 
>> in  is about 2x the size of the box the 4V supply came in.  So they 
>> don't  easily fit in those nice tiny envelopes we use to ship orders 
>> -- just  because of the power supply, our shipments generally need 
>> one size  bigger envelope on them now, which just looks terrible.
>>
>> Right now, I think we basically ship the 5V supply whenever:
>> 1. There's a robostix in the order
>> 2. There's a CFStix in the order
>> 3. The shipper just gets irritated about the envelope being bigger  
>> than it needs to be
>>
>> otherwise, we ship a 4V supply.  We have also now added "4v supply"  
>> and "5v supply" items to the online store, so a particular supply 
>> can  be specifically ordered too.
>>
>> C 
>
>
> Here's a thought:  http://tinyurl.com/bv8uy lists almost 12,000 
> (mostly) Asian exporters for 'power supply'.  Most of them have web 
> sites and/or email addresses.  Why don't you narrow the search, then 
> ask the resulting companies to send you samples (that match your 
> criteria) for evaluation?  That way you get to check out a /lot/ of 
> them for no cost, and will (hopefully) find a good quality one for a 
> good price.  I'm sure that if you explain that you will be evaluating 
> over a thousand different ones that they will be willing to dicker on 
> the price or anything else that will make them stand out and have you 
> think more kindly toward them. <G>  I know that this works, because I 
> did it for one shop that I worked for, and when I left, they let me 
> grab about two dozen relays out of the /banana box/ full that they 
> still had left from the samples.
>
Sorry - Wrong link.  Here is the proper one: http://tinyurl.com/8d8wk  
You can also add an entry for yourself, detailing you needs, and /they/ 
will contact /you/.

-- 
Keith Olson
K-Soft Consulting