Ikea Bekant desk control buttons repair

The buttons on my Bekant desk stopped working, this project replaces the cheap membrane switches by proper buttons.
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updated January 12, 2023

Description

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This project replaces the entire control panel under an Ikea Bekant desk. The buttons on my control panel started "sticking" first, then simply stopped working. Stuck in a position I can't really work in. So I disassembled the control panel and figured out the pinout, shorted the connections where the wires would have been and set it to an acceptable height. 


Then I ordered a ribbon cable, ribbon cable breakout board, 2 switches and a micro switch (optional). I designed this model to fit the original circuit board, and the breakout board. The original control panel had a hole where a pin goes, the desk can only move when it is inserted, a safety feature for small children I suppose. I preserved the feature by introducing the micro switch into the design. You can leave this out if you don't need it. 

NB: The original pin does not fit in the hole, it fits 5mm pin, I used a long bolt.

BOM: 

Wiring:

PinConnect to
5NO on switch 1
6NO on switch 2
7NO on micro switch
COM micro switchCOM switch 1
COM switch 1COM switch 2

If you don't want to use the micro switch, connect 7 to COM on switch 1 directly.

Disclaimer

I will not take any responsibility for any type of damage caused following these instructions. That said, this fixed my desk, and I believe anyone should be able to repair their things so they don't have to buy a them new, especially for such a small defect, and especially if we want to keep living on this planet.

 

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The author marked this model as their own original creation.

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