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in this instructable I show you how to build a room lighting from a gravel path grid. The whole thing can be controlled via WLAN with an app.

There were some problems with the project. But in the end you can make it without special tools. Patience, some courage and time.

White Heavy Duty Gravel Grid
Wemos D1 mini
Soldering stuff
adressable RGB-LEDs
a baseplate (i’ve used 3mm plywood
a diffusor (i’ve used very thin white plastic sheet)
Lots of very small screws (or a very good and suitable glue)
drillpress makes it much easier
cutting tools”

Link to article