[Weather] [personal] Re: Tini question

[Jim Pace]

 How about a couple diodes in series with the 6 volts=4.8 volts?
Jim
http://ecapmiill.home.comcast.net
----- Original Message ----- 
From: "Dave McGuire" <mcguire at neurotica.com>
To: "List for 1 Wire Weather Stations and devices" <weather at buoy.com>
Sent: Tuesday, November 28, 2006 11:20 AM
Subject: [personal] Re: [Weather] Tini question


> On Nov 28, 2006, at 1:36 PM, Tim Sailer wrote:
>>>> I'm in the process of dusting off the old TINIs I have for a
>>>> solar heat (hot air) project I'm going to start playing with,
>>>> since it's getting cooler around here. It's been quite a few
>>>> years since I've touched them. I know they take 5vdc, but I was
>>>> windering what would happen if I supplied 6vdc from a golf-cart
>>>> battery? Would I have to regulate this down to 5v to avoid damage?
>>>
>>>    Yes, you'll need to provide 5V.  Also, if you're starting from
>>> only 6V, you'll need an LDO (low-dropout) regulator, such as the
>>> LM2940...the dropout voltage on the common 78xx-series regulators is
>>> nominally 2V.
>>
>> Hmm. Sounds like I'm better off slapping one of those PicoATX dc/dc
>> power supplied on 2 batteries, and pulling off the 5v regulated
>> off that.
> 
>   Ugh, that really sounds like overkill to me, both in terms of  
> capabilities and cost.  Send me a non-PO-box shipping address in  
> private mail and I'll "hook you up", so to speak.
> 
>                -Dave
> 
> -- 
> Dave McGuire
> Cape Coral, FL
> 
> 
> 
> 
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