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frankv

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#283896 18-Mar-2021 16:15
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Anyone interested in a group buy of some e-Paper displays, or other stuff from Good Display?

 

I want to buy a couple of their DES (wide temperature range, UV-proof, fast-refresh) e-Paper displays, but the only shipping options are DHL & Fedex, both about US$28 which makes a US$5 display suddenly very expensive.

 

So I'm looking to put together an order for 2 or 3 people to share the shipping cost. PM me if you want in.

 

For anyone who wants to know, e-Paper displays are used on Kindle & Kobo e-readers & Pebble watch, and some supermarket shelf labels. They retain their display when powered off, so can make for really low/no power displays (e.g. electronic name badges). They also have very high contrast ratios, much better than LCDs or LEDs, and are easily sunlight-readable. Interesting twists are flexible displays and NFC updatable displays. Downsides are limited colours, and very slow refresh rates (seconds, not ms). The fast-refresh pretty much overcomes that last issue, but only applies to monochrome displays.

 

 


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gcorgnet
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  #2676599 18-Mar-2021 16:16
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Just out of curiosity, what sort of application do you envisage with this? What can we do?


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frankv

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  #2676608 18-Mar-2021 16:48
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I plan to hook up to a Raspberry Pi and use as a display for monitoring an engine's temperatures & pressures. I already have a couple of black/white/red e-Paper displays from another supplier, which I subsequently found to be unsuitable due to 15+ seconds refresh time (and irritating flashing/flickering while doing that).

 

 


Geektastic
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  #2676625 18-Mar-2021 17:46
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$33 is very expensive?







frankv

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  #2676718 18-Mar-2021 20:52
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Geektastic: $33 is very expensive?

It is, for a $5 item.

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