waveshare 213inch EInk Display HAT V4 Version Compatible with Raspberry Pi Raspberry Pi 54B3BZeroZero WZero 2WPicoPico WPico WH 250x122 Resolution SPI Interface Supports Partial Refresh

IMPORTANT Rev21 is the version of the driver board which is independent of the screen version Currently there is only Rev21 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 EInk display HAT for Raspberry Pi 213inch 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 ArduinoNucleo etc Onboard voltage translator compatible with 33V5V MCUs Provide online user manual examples for Raspberry PiJetson NanoArduinoSTM32 please check the manual carefully before using.