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List:       newtontalk
Subject:    Re: [NTLK] Battery Level Indication with Rechargeables in AA Tray
From:       Kevin LaCombe <my_newton () wavecable ! com>
Date:       2014-11-18 1:10:10
Message-ID: CA921105-9D78-4D23-9898-3902B9A2DAA7 () wavecable ! com
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Here's the Wayback link to Marco Mailand's site and his battery tray mod.  =
Some other good links too!

http://web.archive.org/web/20020609003605/http://slsbd.psi.ch/~mmailand/New=
ton.html


On Nov 16, 2014, at 12:52 PM, Tony Morrow <gizmo1482@gmail.com> wrote:

> Tony Khan=92s "My Apple Newton" blog, as always, has details on that. Dav=
is Remmel created a model that is available online and can be 3D printed.
> =

> http://myapplenewton.blogspot.com/2013/03/print-your-own-battery-tray-par=
t-2.html
> =

> -Tony Morrow
> =

> On Nov 16, 2014, at 11:57 AM, Dennis Swaney <romad@mac.com> wrote:
> =

>> Wasn't someone also working on a 3D printer design?
>> =

>> Sincerely,
>> Dennis B. Swaney
>> =

>> "I think, therefore I Mac"
>> =

>> On Sat, Nov 15, 2014 at 9:09 PM, Anthony Morrow <anthonydmorrow@gmail.co=
m>
>> wrote:
>> =

>>> Sonny Hung built two rechargable battery tray prototypes several years.
>>> His information is documented on Flickr.
>>> https://www.flickr.com/photos/sonnyhung/sets/72057594074185913/
>>> https://www.flickr.com/photos/sonnyhung/sets/72057594079049821/
>>> =

>>> =

>>> On Nov 15, 2014, at 11:30 PM, Kevin LaCombe <my_newton@wavecable.com>
>>> wrote:
>>> =

>>>> I can't find the link at the moment but I have a printed page (from
>>> Marco Mailand I think?) that details how he did the modification of a AA
>>> tray and the idea of a switch if you want to load alkalines as well.
>>>> =

>>>> On Nov 15, 2014, at 7:01 PM, Woody Smith <woodysmith@me.com> wrote:
>>>> =

>>>>> This is in fact a challenge. I scavenged thermister and polyswitch fr=
om
>>> an eMate battery pack. Thermister requires two contact pads and wires
>>> soldered to them, the difficult part is keeping the wires from interfer=
ing
>>> with the batteries. I ran them on the outside taking advantage of the
>>> alignment channels, trimming the tracks inside the silo was necessary to
>>> allow space. There is room at the end opposite the contacts for the
>>> Poliswitch. I cut the wire connected to the spring and managed to bridge
>>> the gap with the switch.
>>>>> =

>>>>> The Poliswitch is only necessary if you need it. If you need it and it
>>> isn=92t there, these batteries can get extremely hot.
>>>>> =

>>>>> Woody
>>>>> =

>>>>> =

>>>>>> On Nov 15, 2014, at 7:27 PM, Andrei Chichak <newton@chichak.ca> wrot=
e:
>>>>>> =

>>>>>> You know, since the 2x00 used NiMH batteries in the bricks, it
>>> wouldn=92t take much effort to rewire a AA sled to charge the cells.
>>>>>> =

>>>>>> I would think that the biggest hurdle would be adding an extra conta=
ct
>>> for a temp sensor. The polyswitch is for protection and - we=92re all b=
utch
>>> here grunt grunt - it can be deleted.
>>>>>> =

>>>>> ----------------------------------------------------------------------
>>>>> =

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>>>> =

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>>> =

>>> ----------------------------------------------------------------------
>>> =

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>> ----------------------------------------------------------------------
>> =

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> =

> ----------------------------------------------------------------------
> =

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