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SpikenzieLabs Calculator Kit
03-15-2014, 08:42 PM
Post: #1
SpikenzieLabs Calculator Kit
[Image: 1308_MED.jpg]
It might be transmogrified into a Sinclair Scientific using the Arduino IDE.
Six bright red 7 segment LED modules. What else do you want?

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Thomas
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03-16-2014, 01:44 AM
Post: #2
RE: SpikenzieLabs Calculator Kit
A four banger RPN device would be quite easy from this base.
A scientific would be a little more difficult -- the Sinclair Scientific has an extra key but I'm sure something should be figured out.


- Pauli
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03-16-2014, 02:07 AM
Post: #3
RE: SpikenzieLabs Calculator Kit
It looks nice, but 6 digits is really limiting. They should have use a slightly smaller display size to allow for 8 digits in the same size case.

-katie

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03-16-2014, 02:59 PM
Post: #4
RE: SpikenzieLabs Calculator Kit
YouTube link

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03-22-2014, 03:57 AM
Post: #5
RE: SpikenzieLabs Calculator Kit
(03-16-2014 02:07 AM)Katie Wasserman Wrote:  It looks nice, but 6 digits is really limiting. They should have use a slightly smaller display size to allow for 8 digits in the same size case.

Unfortunately sufficiently small seven-segment LED displays are no longer made.
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03-22-2014, 04:40 AM
Post: #6
RE: SpikenzieLabs Calculator Kit
(03-22-2014 03:57 AM)brouhaha Wrote:  Unfortunately sufficiently small seven-segment LED displays are no longer made.

Bubble Display - 7-Segment (4-digit)
Quote:Out of stock
We have a purchase for 4000 units. We expect some of these to arrive next on Mar 29, 2014.
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03-22-2014, 05:36 AM
Post: #7
RE: SpikenzieLabs Calculator Kit
(03-22-2014 03:57 AM)brouhaha Wrote:  
(03-16-2014 02:07 AM)Katie Wasserman Wrote:  It looks nice, but 6 digits is really limiting. They should have use a slightly smaller display size to allow for 8 digits in the same size case.

Unfortunately sufficiently small seven-segment LED displays are no longer made.
Not tiny, but 0.2"-tall digits:
http://www.mouser.com/catalog/catalogusd/646/92.pdf

http://WilsonMinesCo.com (Lots of HP-41 links at the bottom of the links page, http://wilsonminesco.com/links.html )
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