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openDTU_wDisplay2 License: CC BY-NC-SA 4.0

Picture of model:

Board Model

Final printed case with display mounted on the side of a small IKEA Besta cupboard:

Final assembly

PCB assembly:

PCB PCB PCB PCB

History:

  • 2023-02-28: boards received, soldered, working reliable, pics in picture folder, case currently in progress - not yet perfectly fitting

  • 2023-03-01: Final printing of case done, got some requests for spare PCBs, all spare PCBs now gone, if you need a PCB, you can easily upload the gerber zip file on any PCB manufacturer, e.g. PLCPCB (10 pieces, with customs to Germany in 2 weeks roughly 14 EUR).

  • 2023-03-11: Accepted pull request from @Nightreaver, thanks for the contribution, backside silk screen now mirrored, nRF footprint changed by @Nightreaver to support nRF+ with antenna (Note: openscad case not adapted and currently not planned to be adapted)

In case you are looking for a cheap source for the capacitors, I ordered mine with Christians_Shop at Amazon (they have a direct website as well).

3D Print:

Everything can be printed without support, expect for the ikea holder:

Ikea holder with support structure

Known limitations:

  • Backside silkscreen is not mirrored, in Kicad, still needs to be fixed, result is mirrored text on backside (for new orders). --> Fixed now
  • If you print the case: The holders for the PCB are not yet perfectly aligned (need 0.5mm adjust), I "clipped" 3 of them away to avoid reprinting.

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Small PCB for openDTU, supporting small display

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