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2 layers34.5 × 49.5 mmDearDisplay, the printed circuit board in 3D

ESP32 e-ink display for weather and remote messages

Size
34.5 × 49.5 mm
Copper layers
2
Thickness
1.6 mm
Parts
3
Nets
30
Pads
39
Tracks, vias
24, 0
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
27 Mar 2025
Updated
21 Mar 2026

Overview

DearDisplay is an open-source printed circuit board by stardustgd, from the stardustgd/DearDisplay repository on GitHub. It is a 2-layer board of 34.5 × 49.5 mm with 3 parts on 30 nets, routed with 24 tracks and 0 vias.

It belongs with the lEDs and displays boards of this library.

README

README.md

DearDisplay

MVP

Frontend

  • Date display
    • Month, Day, Year
  • Weather display
    • List of temperatures throughout the day
    • Forecast for the next 5 days
  • Message to display
    • Have a component for a message to be displayed
    • How do we set/fetch this message?

Backend

  • Take in an image, return a BMP compatible with the e-ink display
  • Have an endpoint, /api/display that returns an image, as well as the time for the ESP32 to sleep

Hardware

  • WiFi Connectivity
    • Check if connected,
    • If not, start AP and show error on e-ink
    • If connected, fetch from the endpoint and display image

Parts

3
QtyValueFootprintReferences
2Conn_01x15_SocketConnector_PinSocket_2.54mm:PinSocket_1x15_P2.54mm_Vertical ,
1Conn_01x09_PinConnector_PinHeader_2.54mm:PinHeader_1x09_P2.54mm_VerticalWaveshare HAT

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Questions

How big is the DearDisplay PCB?

It measures 34.5 × 49.5 mm and has 2 copper layers, 1.6 mm thick.

What parts does the DearDisplay use?

3 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the DearDisplay KiCad files?

From the stardustgd/DearDisplay repository on GitHub, at the commit this page was made from: the board is docs/hardware/v0-1-0/DearDisplay.kicad_pcb and its schematic docs/hardware/v0-1-0/DearDisplay.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the DearDisplay design in my own project?

Its repository states no licence, so its author keeps all rights: ask stardustgd before reusing the design.