E Paper Display

• 7.8 inch, SPI interface, 1872x1404, 450ms refresh
  • https://www.waveshare.com/product/displays/e-paper/epaper-1/7.8inch-e-paper-hat.htm
• 10.3 inch, SPI interface, 1872x1404, <1s refresh
  • https://www.waveshare.com/10.3inch-e-Paper-HAT.htm
  • 216x174mm
    • 12 x 9.5 18mm keys
• 6 inch, SPI interace, 1448x1072, <1 refresh
  • https://www.waveshare.com/6inch-HD-e-Paper-HAT.htm
  • 138.4x101.8mm
• 3.7" e paper, SPI, 480x280, 0.3 partial, 3s full refresh
  • https://www.waveshare.com/3.7inch-e-Paper-HAT.htm
  • 58x96.5mm

Bought

• 10.3 inch, SPI interface, 1872x1404, <1s refresh
  • https://www.waveshare.com/10.3inch-e-Paper-HAT.htm
  • 216x174mm
    • 12 x 9.5 18mm keys
  • This is for the laptop
• 6 inch, SPI interace, 1448x1072, <1 refresh
  • https://www.waveshare.com/6inch-HD-e-Paper-HAT.htm
  • 138.4x101.8mm
  • Side panel for the calculator? Works in portrait mode
• 3.7" e paper, SPI, 480x280, 0.3 partial, 3s full refresh
  • https://www.waveshare.com/3.7inch-e-Paper-HAT.htm
  • 58x96.5mm
  • Main panel of the calculator. 12 char high instead of 14 char high

JLC USB-C

https://twitter.com/arturo182/status/1355970005008048133

Solder

https://twitter.com/l_bohnacker/status/1350932073889079299