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Retro taking calculator with Bubble display

Handmade retro taking calculator with QDSP6064 bubble display

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What to say? It is only unpractical calculator, every phone have calculator, it is absolute useless machine .... but maybe nice :)

Features:
- operations +-*/
- CR2032
- Arduino firmware
- Talking ... but with poor volume
- Auto power off
- Long press on/off button to switch (silence / male voice / silence / female voice ...)

https://www.youtube.com/watch?v=DFuH3FXoHL0

Board is designed form reverse engendering code from http://www.spikenzielabs.com/calc
Also almost code is for this calculator, I just try enhance to 8digits and talking, maybe all work good.

ino - 62.52 kB - 09/30/2016 at 22:42

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sch - 679.03 kB - 09/30/2016 at 22:41

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hex - 48.23 kB - 09/30/2016 at 22:41

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ino - 10.69 kB - 09/30/2016 at 22:41

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bat - 299.00 bytes - 09/30/2016 at 22:41

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Discussions

Rob wrote 09/30/2016 at 15:34 point

Details? Or is this just an advert?

  Are you sure? yes | no

bobricius wrote 09/30/2016 at 22:43 point

I am uploaded design files and sources :) enjoy

  Are you sure? yes | no

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