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Adafruit 1.54" Tri-Color eInk / ePaper 200x200 Display with SRAM - SSD1681 Driver &endash; Default Title

Easy e-paper finally comes to microcontrollers, with this breakout that's designed to make it a breeze to add a tri-color eInk display. Read more...

  • Description

Easy e-paper finally comes to microcontrollers, with this breakout that's designed to make it a breeze to add a tri-color eInk display.

Chances are you've seen one of those new-fangled 'e-readers' like the Kindle or Nook. They have gigantic electronic paper 'static' displays - that means the image stays on the display even when power is completely disconnected. The image is also high contrast and very daylight readable. It really does look just like printed paper!

Adafruit have liked these displays for a long time, but breakouts were never designed for makers to use. Finally, they decided to make our own!

They're starting with this small 1.54" tri-color display. It has 200x200 black and red ink pixels and a white-ish background. Using the Arduino library, you can create a 'frame buffer' with what pixels you want to have activated and then write that out to the display. Most simple breakouts leave it at that. But if you do the math, 200 x 200 pixels x 2 colors = 10 KBytes. Which won't fit into many microcontroller memories. Heck, even if you do have 32KB of RAM, why waste 10KB?

So they did you a favor and tossed a small SRAM chip on the back. This chip shares the SPI port the eInk display uses, so you only need one extra pin. And, no more frame-buffering! You can use the SRAM to set up whatever you want to display, then shuffle data from SRAM to eInk when you're ready. The library they wrote does all the work for you, you can just interface with it as if it were an Adafruit_GFX compatible display.

For ultra-low power usages, the onboard 3.3V regulator has the Enable pin brought out so you can shut down the power to the SRAM, MicroSD, and display.

They even tossed on a MicroSD socket so you can store images, text files, whatever you like to display. Everything is 3 or 5V logic safe so you can use it with any and all microcontrollers.

Comes assembled and tested, with some header. You'll need a soldering iron to attach the header for breadboarding or installing into your project.

TECHNICAL DETAILS

Specifications:

  • 1.54" eInk/ePaper display with SSD1681 driver chipset
  • Built-in microSD slot
  • 1x16 header for easy breadboarding
  • 4 x 0.1" / 2.5mm mounting holes in corners
  • Screen dimensions: 37.4mm x 32mm / 1.5" x 1.3"
  • Overall dimension: 43mm x 43mm x 4.8mm / 1.7" x 1.7" x 0.2"
  • Mounting holes: 1.5" x 1.4"
  • Weight (unassembled): 9g

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Primary Guide: Adafruit 1.54" eInk Display Breakouts - Easy E-Paper With Built In Memory