Waveshare 3.7" e-Paper e-Ink Raw Display, 480 x 280

Waveshare (18381) 3.7 inch E-Paper E-Ink Raw Display, 480 x 280 pixels, black / white, 4 gray levels, SPI interface, without PCB

Features:

• No backlight, displays the last content for a long time even when the device is turned off
  
• Ultra low power consumption, power is basically only needed for refreshing
  
• Comes with development resources and manual (driver board schematic, Raspberry Pi/Jetson Nano/Arduino/STM32 examples)

Specifications:

• Dimensions: 3.7 inches
  
• Driver board dimensions: 58.0 mm x 96.5 mm
  
• Display dimensions: 47.32 mm x 81.12 mm
  
• Outline dimensions (screen only): 54.9 mm x 93.3 mm x 0.78 mm
  
• Operating voltage: 3.3 V / 5 V (5 V is required for power supply and signal)
  
• Communication interface: SPI
  
• Dot spacing: 0.169mm x 0.169mm
  
• Resolution: 480 x 280
  
• Display color: Black, White
  
• Grayscale: 4
  
• Refresh time: 3 s
  
• Refresh power: 50 mW (typ.)
  
• Standby current: < 0.01uA (almost 0)
  
• Operating temperature: 0 ~ 55 °C
  
• Storage temperature: -25 ~ 70 °C

Links:

• Wiki