... | @@ -286,31 +286,3 @@ watch case. |
... | @@ -286,31 +286,3 @@ watch case. |
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## Backlight
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Use 0.5 or 1mm plexiglas sheet behind the LDC with four white LEDs.
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Here is a cheap plexiglas sheet
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supplier:
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http://www.plexiglas-shop.com/CH/fr/plexiglas-folie-5m9m5apyxic/plexiglas-folie-blanc-99532-gt-1-0-mm-iqq6a1wurpd~p.html
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\> Note: The plexiglas idea doesn't work well.
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Learn more on backlight:
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- [Tutorial video from 3M (1)](http://bcove.me/uqy0bbtv)
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- [Tutorial video from 3M (2)](http://bcove.me/uqy0bbtv)
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As optical films are hard to get as private customers, using backlight
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from broken cellphone display might be an
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alternative.
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## Battery life calculation
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- http://www.oregonembedded.com/batterycalc.htm
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- http://www.csgnetwork.com/batterylifecalc.html
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- http://www.ajdesigner.com/phpbatterylife/battery_life_peukert_number_time.php\#ajscroll
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