Adafruit 2.13" Monochrome eInk / ePaper Display FeatherWing - 250x122 Monochrome
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The easy electronic paper comes for your Feather card, with this card that is designed to facilitate the addition of a monochrome eInk display. Chances are you've seen one of these new e-readers like the Kindle or the Nook. They have huge "static" electronic paper screens, which means that the image remains on the screen even when the power is completely turned off. The image is also highly contrasted and very readable in daylight. It really looks like printed paper!
We've loved these screens for a long time, and they're about the size of a Feather, so wouldn't a custom electronic paper FeatherWing make a lot of sense? This Wing is tested to work with all our Feathers, from the ESP8266 to the M0. It has an integrated buffer memory that allows it to work with chips as small as the'32u4 and'328. It uses many pins: the 3 SPI pins, and up to 4 control pins to manage the SD card and SRAM.
The FeatherWing has a 2.13" monochrome display (black and white). Its resolution is higher than that of our 2.13" Tri-Color display with 250x122 black pixels on a white background. Monochrome displays also take much less time to update, only a few seconds instead of 15 seconds!
Using our CircuitPython or Arduino libraries, you can create a frame buffer with the pixels you want to activate and then write it on the screen. Most simple escapes leave it at that. But if you do the calculation, 250 x 122 pixels x 2 colors = 7.6 KB. This does not go into the memory of many microcontrollers. Damn it, even if you have 32KB of RAM, why waste 8KB?
We did you a favor and threw a little SRAM chip at your back. This chip shares the SPI port used by the eInk display, so you only need an additional pin. And, no more frame-buffering! You can use the SRAM to configure what you want to display, then mix the SRAM data with eInk when you are ready. The library we wrote does all the work for you, you can simply interface it with it as if it were an Adafruit_GFX compatible screen.
We even threw it on a MicroSD socket so you can store images, text files, anything you want to display. Comes assembled and tested with female connectors to which you can connect your Feather, no soldering required!
Product dimensions: 61.3 mm x 40.2 mm x 40.2 mm x 6.7 mm / 2.4 in x 1.6 in x 0.3 in
Product weight : 13.8g / 0.5oz
An ePaper screen with SRAM of 1,54" Red and black on White background.27,00 € Add to cart
A 2.13" Tri-Color eInk display for your Feather card.29,94 € Add to cart
An ePaper screen with SRAM of 1.54" Monochrome.29,94 € Add to cart