This is a placeholder topic for “Pimoroni Yellow/Black/White – Inky wHAT (ePaper/eInk/EPD)” comments.
Inky wHAT is a 400x300 pixel electronic paper (ePaper / eInk / EPD) display for Raspberry Pi
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Inky wHAT is a 400x300 pixel electronic paper (ePaper / eInk / EPD) display for Raspberry Pi
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The stated time of refresh being ‘25 seconds’ sounds a bit slow. Could it be a typo say 2.5seconds? I know the refresh can be slow on eink, but 25seconds seems out by a magnitude or two.
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Hi Thurstan,
Welcome to the forum! 
It’s actually 25 seconds to refresh the whole display 
ePaper displays (particularly the pHATS) are notoriously slow to refresh. If you’re looking for an energy-efficient display that’s much much faster I’d check out LED and OLED, although they’re quite different to the ePaper. Have a Merry Christmas!
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Hi Bryce,
Thanks for the reply. Woah.
I was actually looking for flexible, good in sunlight and portable so power efficient, 25s full screen refresh is a bit too high though. I don’t need the latest in the 10ms sort of speed that I think some can do partial refresh at, but yeh sub second would be useable. Will keep looking.
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Hey Thurstan,
Just an FYI, keep in mind this is for the whole display, if you are only changing small segments this should be far quicker.
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Hi Thurstan,
I would check out Waveshares range of E-ink displays: down the bottom of this page
They have quite a nice range of displays with faster refresh times, multiple colours and greyscale displays at a range of resolutions and sizes.
Core might be able to special order in the parts if you send through an email!
Cheers,
Liam.
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