<b>Overview</b><br> <br> This is an E-Ink display HAT for Raspberry Pi, 2.13inch, 250x122 resolution, with embedded controller, communicating via SPI<br> interface, supports partial refresh.<br> <br> Due to the advantages like ultra low power consumption, wide viewing angle, clear display without electricity, it is an ideal choice<br> for applications such as shelf label, industrial instrument, and so on.<br> <br> <br> <b>Features</b><br> <br> <li>No backlight, keeps displaying last content for a long time even when power down</li> <li>Ultra low power consumption, basically power is only required for refreshing</li> <li>Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano</li> <li>Preserved solder pads for SPI interface, for connecting with other controller boards like Arduino/Nucleo, etc.</li> <li>Onboard voltage translator, compatible with 3.3V/5V MCUs</li> <li>Comes with development resources and manual (examples for Raspberry Pi/Jetson Nano/Arduino/STM32)</li> <br> <br> <b>Specifications</b><br> <br> <li>Operating voltage: 3.3V/5V</li> <li>Interface: SPI</li> <li>Outline dimension: 65mm × 30.2mm</li> <li>Display size: 23.71mm × 48.55mm</li> <li>Dot pitch: 0.194 × 0.194</li> <li>Resolution: 250 × 122</li> <li>Display color: black, white</li> <li>Grey level: 2</li> <li>Partial refresh time: 0.3s</li> <li>Full refresh time: 2s</li> <li>Refresh power: 26.4mW(typ.)</li> <li>Standby power: <0.017mW</li> <li>Viewing angle: >170°</li> <br> <br> <b>Package Content</b><br> <br> 1. 2.13inch e-Paper HAT x1<br> 2. RPi screws pack (2pcs) x1<br> 3. PH2.0 20cm 8Pin x1<br> <br> <br> <b>Development Resources</b><br> <br> Wiki : www.waveshare.com/wiki/2.13inch_e-Paper_HAT<br> <br> <br> 100% original,offer technical support!