You may be familiar with ePaper or eInk displays from eReaders like the Kindle. This display is the next step up with three colors instead of the classic two. The displays really do seem like paper, with easy visibility from almost any angle and even in sunlight. It also features ultra low power consumption, using under 20mA on startup and under 10mA while running. You can even unplug the display entirely without losing your image! This display does take 14 seconds to refresh, but it is ideal for applications where information is updated infrequently, like a weather station or a high tech label.
This 1.54" ePaper display uses black, white, and red pigments on a 152 by 152 pixel matrix. The board gives you everything you need to work with the ePaper display. It even includes a microSD card slot and an SRAM so you don't have to worry about running out of memory. Using our handy ePaper library, you can add images, draw basic shapes, and even put text on the display with ease.
This board supports 5V and 3.3V logic, just make sure to power the board at the logic level you use!
We do not plan to regularly produce SparkX products so get them while they’re hot!
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So can anyone provide a little support on the PIN mappings for an ESP32? https://github.com/sparkfun/SparkFun_ePaper_Arduino_Library/issues/6
I've fixed the library to compile but I am pretty sure I don't have the right pin mappings sorted for an ESP32. Any comments would be appreciated.
There are syntax errors in the Sparkfun ePaper library, but once fixed, it runs on UNO. If you move the SPI wires to the ICSP pins, it will also run on Leonardo and Zero.
This is a cool little display. I am driving with Teensy 3.2 and had to fix a couple of compiler errors in rectangle(). Will issue a pull request. Is the library going to move ahead at all? Perhaps I will try to get some text display going. The slow update really makes this a display with very specific mission applications. I'm imagining using it on HVAC controls which are not changed much and where power draw can be a real issue, if running from batteries.