ePaper Display: 2.13", 3-Level Grayscale + Red, $10 at qty 20
oshpark wrote 04/01/2017 at 18:57 • 1 pointJust learned about this 2.13" 3-Level Grayscale + Red ePaper display. $12 at Quantity 1 and $10 at Quantity 20. Looks like it would be great for low power conference badges!
https://www.crystalfontz.com/product/cfap104212b00213-epaper-104x212-red-gray-graphic
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i think there is a data sheet on here http://m.good-display.com/products_detail/&productId=608&productColumnId=1&orderStr=1&pmcId=160.html
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Darn, didn't realize until I went to check out that the official Crystal Fontz breakout board is "Backordered until May 28, 2017"
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This looks like the same/similar display: https://www.aliexpress.com/item/2-13-inch-Colorful-e-ink-e-paper/32705265905.html?scm=1007.13482.37805.0&pvid=9587ed58-9613-40f3-870c-882ab71ddee3&tpp=1
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wow, less than $8 USD in qty 1
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Btw, it was @Dave's Dev Lab that originally posted the link to this display in Google Plus. He may have some additional insights.
-Drew
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https://www.crystalfontz.com/products/document/3661/CFAP128296D00290v1.0.pdf
https://www.crystalfontz.com/products/document/3558/CFAP104212B0-0213_Datasheet_Release_2016-06-24.pdf
Here's screenshots
of the schematics in the datasheet and the DC voltage requirements:
https://goo.gl/photos/AV2owsoqvcoRPCv39
It appears that it should not be too difficult to layout the circuit. I'd be interested to see if a lower cost solution can be created than having to buy their breakout board.
-drew
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That's interesting, the circuit looks a bit different, but the labels on the panel are nearly the same, and the style of the circuit drawing is the same, as for the E2417ES053 display I plan to use for my ePaper project ( http://www.pervasivedisplays.com/products/420 )
I wonder if they buy the same display components from one big manufacturer and just assemble their displays. The 2.87" red/black/white Pervasive Display costs $38.70 in single quantities, much more expensive than the 2.13" Good Display display for $8. If the quality is the same, might be good when I change to the Good Display type for my project. I guess the circuit is the same for all their displays? Do you have already an OSH Park link for a breakout board? I could then compare it.
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Here's the boards by Drew for the 2.15":
https://oshpark.com/shared_projects/Wk76kUK3
https://oshpark.com/shared_projects/KFqfg8rt
Here is the board by @jarek319 for the 4.2":
https://oshpark.com/shared_projects/a0Ch53vJ
http://soniktech.com/OpenKnowledge/E2417CS051_BoB.partlist
https://twitter.com/JarekLupinski/status/850405120923881472
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That's just the display alone. It requires pretty crazy voltages and signals (+/-15V). The same display with a breakout board that you can connect to your MCU is $37.
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Good point. I ordered the display with breakout board yesterday to see what it is composed. I didn't realize the display required such large voltages. -Drew
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There is a schematic in the datasheet -- from what I can tell, it simply has a two-diode voltage multiplier in there.
+/-15V is pretty standard for the eink displays -- I believe the kindle screen uses the same.
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