WAVESHARE "DEBO EPA 2.1 RD - Developer boards - Display ePaper, 2,1"", black/white/red"

"This is an E-Ink 2.13"" (5.41 cm) display HAT for Raspberry Pi with a resolution of 212 x104 pixels. Due to the advantages such as extremely low power consumption, wide viewing angle, great effect under sunlight, it is an ideal choice for applications such as shelf labels, industrial instruments and so on. Features • no backlight, display the last content for a long time even when power off. • very low power consumption, basically the power is only needed for updating. • compatible with Raspberry Pi 2B/3B(+)/Zero/Zero W • Preserved solder pads for SPI interface, to connect with other controller boards like Arduino/Nucleo, etc. • comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32). Specifications • operating voltage: 3.3 V • Interface: SPI • dimensions (LxW): 65 × 30.2 mm • display size (LxW): 23.71 × 48.55 mm • dot pitch: 0.194 × 0.194 × 0.194 • resolution: 212 × 104 • display color: black, white, red • grayscale: 2 • full refresh time: 15 s • update power: 26.4 mV (typ.) • standby power: • Betrachtungswinkel: >170°. Scope of delivery • 2.13"" e-Paper HAT • spacer bolts, screws and nuts • 9-pin SMD header with 2.54 mm pitch delivery without developer board https://www.waveshare.com/wiki/2.13inch_e-Paper_HAT_(B) "