Details 3.97inch E-Paper Display, E-Ink Display, 800 × 480 pixels, Black/White, 4 Grey Scales, SPI Interface, Standard Raspberry Pi 40PIN GPIO header 3.97″ e-Paper display low power, wide viewing angle, paper-like effect without electricity Ideal for price tags, shelf labels, industrial instruments... Note: the driver board is optional, please refer to the Package Content for detailed part list Version Options 3.97inch e-Paper raw display, without driver board 3.97inch e-Paper HAT+ with driver board Features at a glance 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 Comes with online development resources and manual (examples for Raspberry Pi/Jetson Nano/Arduino/STM32/ESP32) Optional for e-Paper driver board Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi and Jetson Nano series boards Adopts Raspberry Pi HAT+ standard to improve interoperability, helping the users to design and develop faster, easy to use with other peripherals and extend more functions for Raspberry Pi Adapting SPI interface for connecting with controller boards like Raspberry Pi/Arduino/STM32/ESP32, etc. Onboard voltage translator, compatible with 3.3V / 5V MCUs Specifications operating voltage Raw display: 3.3V display color Black/White with driver board: 3.3V/5V interface 3-wire SPI, 4-wire SPI grey scale 4 outline dimensions Raw display: 96.62 × 56.24 × 0.92 (mm) full refresh time 3.5s with driver board: 99.50 × 60.00 (mm) fast refresh time 2.8s display size 86.40 × 51.84 (mm) Partial refresh time 0.6s RESOLUTION 800 × 480 pixels 4-gray refresh time 3.5s DOT PITCH 0.108 × 0.108 (mm) refresh power 170° standby current
