ITEM NAME:Waveshare 2.13Inch E-Paper HAT,250x122,E-Ink Display for RaspberryPi 2B/3B/ZP5O1 Waveshare 2.13Inch E-Paper HAT,250x122,E-Ink Display for RaspberryPi 2B/3B/ZP5O1 This is an E-Ink display HAT for Raspberry Pi,2.13inch,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 perfect 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 Compatible with Raspberry Pi 2B/3B/Zero/Zero W Preserved solder pads for SPI interface,for connecting with other controller boards like for Arduino/Nucleo,etc. Comes with development resources and manual (examples for Raspberry Pi/for Arduino/STM32) Operating voltage: 3.3V Interface: SPI Outline dimension: 65mm x 30.2mm Display size: 23.71mm x 48.55mm Dot pitch: 0.194 x 0.194 Resolution: 250 x 122 Display color: black,white Grey level: 2 Partial refresh time: 0.3s Full refresh time: 2s Refresh power: 26.4mW(typ.) Standby power: Less than0.017mW Viewing angle: Greater than170Â ° Interface SYMBOL:DESCRIPTION VCC:3.3V GND:Ground NC:NC DIN:SPI MOSI pin CLK:SPI SCK pin CS:SPI chip selection,low active DC:Data/Command selection (high for data,low for command) RST:External reset,low active BUSY:Busy status output,high active Demo Board Type: ARM Brand Name: Waveshare Model Number: 2.13inch e-Paper HAT colour:Blue + black Material:Glass + metal Package Contents: 1*2.13inch e-Paper HAT 1*RPi copper column package (2PCS set) 9*2.54 horizontal patch pin.Ultra low power consumption,basically power is only required for refreshing Compatible with Raspberry Pi 2B/3B/Zero/Zero W. Demo Board Type: ARM. Dot pitch: 0.194 x 0.194. colour:Blue + black. Viewing angle: Greater than170Â °.