Demo Shelf

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The Demo Shelf of Things.

A shelf full of demo parts made in our lab combined with some nice lights and some small fun gimmicks.

   
Demo Shelf

Release status: beta [box doku]

Description Beautify our demo shelf at the entrance with some LEDs and make it "living" again
Author(s)  Milian, Friedjof,

Documentation


Circuit diagrams:

Overview electronic components
USB Outputs
Overview Circuit

More photos

Idea

We have a shelf with 3D print and other demo projects. It got a bit messy over the time and it would be nice to make it cleaner and more beautiful so we can impress our visitors ;-)

Adrian and Chris started already to add the old touch PC to the shelf to control our home assistant devices.

Plan is to add some control-able LED lights and control for other stuff in the shelf (3D Print marble run, digital cube etc.).

  • two parts for 3D prints with LED lights
  • one part "Terrarium" for small animals build out of electronical parts
  • one part for blinky LED circuits
  • drawer: one part of moving stuff
  • 3 x drawer for sticker and co.

Details

Multiple ESP Home + WLED + Relais for controlling on/off stuff + WS2811 stripes powered by 5V power supply.

The solution should be able to be controlled by Home Assistant, but will have also a manual mode (like switches for enabling/disabling the moving topics) etc.

More to come...


Old Shelf

Idea for upgrading the demo shelf


Stuff

Date What Link/Source Details
06.2025 Upconverter https://www.amazon.de/Converter-Adjustable-Voltage-Adapter-Modules/dp/B0C2H6PFVH
05.2025 Wemos D1 Mini https://www.makershop.de/plattformen/d1-mini/3x-d1mini/ We bought ESP8266 mini, but due to issues we had to change to ESP32 MINI for WLED.

Only ESPHome is running on a Wemos D1 Mini. Compare architecture diagram.

05.2025 4 Kanal Relais Platine https://www.makershop.de/module/relais/4-kanal-relais/
WS2811 Rund Altbestand Mili
WS2811 Flach Altbestand Lab
Connector https://www.amazon.de/ALITOVE-Kabelverbinder-Verbinder-Anschluss-SK6812-RGBW/dp/B071H5XCN5/
Netzteil Altbestand Mili
Cover Plexiglas Altbestand Lab
05.2025 TV Screen holder https://www.amazon.de/Wandhalterung-Schwenkbar-Bildschirm-30-5-60-9cm-MA2720-Schwarz/dp/B00XUARRLW/
05.2025 4 x set of drawer pull-outs https://www.profi-mb.de/soft-close-schubladenfuhrungen-vollauszug-600mm-bodenmontage?_gl=1*1dex74y*_up*MQ..*_gs*MQ..&gclid=EAIaIQobChMImZ7Lod25jQMV36NoCR0dEwhAEAQYASABEgLLFvD_BwE 4 x 26€, 600mm, Vollauszug, Softclose
05.2025 1 set of drawer pull-out for electronic board https://www.profi-mb.de/standard-schubladenfuhrung-400mm-voll-auszug-45kg?_gl=1*1lb0air*_up*MQ..*_gs*MQ 1 x 8€, 400mm Vollauszug, Softclsoe
05.2025 8 x aluminum angle profile for drawer todo
future better power management https://www.amazon.de/KICHOUSE-Zweireihige-Schraubklemmenleistenbl%C3%B6cke-Klemmenbl%C3%B6cke-Verkabelung/dp/B0DJRX16K8

Tasks

TODO Status
measure the shelf done
plan drawer done
buy stuff done
add pull out drwaer done
upgrade donation cube done
build stand for makerlab CNC acryl done
build circuits done
install fairy lights done
test and program circuits done
mount everything electronical done
integrate into Home Assistant and optimize done
document done