Looking for a medium-sized, three-colour, general-purpose E-Ink display for your next microcontroller or single board computer project? This 4.2-inch, Yello, Black and White, E-Ink display module boast a resolution of 400x300 pixels, and features an embedded controller. Communication is handled via the SPI interface.
Due to the advantages like ultra low power consumption, wide viewing angle, clear display without electricity, it is an ideal choice for applications such as shelf label, industrial instrument, or for your next Raspberry Pi project.
Online resources are available, which include setup instructions on the Waveshare Wiki.
Features
No backlight, keeps displaying last content for a long time even when power down
Ultra low power consumption, basically power is only required for refreshing the display
SPI interface, for connecting with controller boards like Raspberry Pi/Arduino/Nucleo, etc.
Onboard voltage regulation, compatible with 3.3V/5V MCUs
Comes with development resources and manual (examples for Raspberry Pi/Jetson Nano/Arduino/STM32)