2PCS Waveshare 2.13inch E-Ink Display HAT V4 Version Compatible with Raspberry Pi 5/4B/3B+/3B/2B/B+/A+/Zero/Zero W/WH/Zero 2W, 250x122 Resolution SPI Interface Supports Partial Refresh

2PCS Version, Provide online user manual, please check the manual carefully before using!
IMPORTANT: Rev 2.1 is the version of the driver board, which is independent of the screen version. Currently, there is only Rev 2.1; QC target V3 and V4 are screen versions, and V4 is currently being shipped. V4 version is fully compatible with V3; and it provides the demo that can realize a fast refreshing function.
This is an E-Ink display HAT for Raspberry Pi, 2.13 inch, 250x122 resolution, with embedded controller, communicating via SPI interface, supports partial refresh.
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, and so on. 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
Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano. SPI interface, for connecting with other controller boards like Arduino/Nucleo, etc. Onboard voltage translator, compatible with 3.3V /5V MCUs