A circular lamp using LED strip inspired by this design by minchang kwon.

Arduino code and SolidWorks files on GitHub.

There are two versions of the base :

• one for a adressable LED strip + Arduino Nano
• one for a simple 12V strip + dimmer

Parts list

3D printed parts

• 3x arc
• 1x arc-wire
• 1x support or support2
• 2x support-arc

Electronics

• Adressable version
  • 1 meter SK6812 WWA LED strip (60 LEDS/m)
  • 1x Arduino Nano
  • 1x TTTP223 touch button
  • 1x Micro-USB breakout
  • 1x 2A USB wall adapter + USB cable
• Simple version
  • 1 meter natural white 12v LED strip (COB strip prefered)
  • 1x capacitive dimmer
  • 1x 5.5mm DC Jack
  • 1x 2A 12V wall adapter

Hardware

• 1 meter T2016 LED Strip tube (cut the white part with an utility knife)

Controls (adressable version only)

Single touch
On/Off

Long touch (< 1s)
Next mode

• Mode 0 : full brightness (default)
• Mode 1 : static configurable temperature
• Mode 2 : "rainbow" of temperatures
• Mode 3 : candle animation

Long touch (> 1s)
Increase/decrease brightness

Double touch
Enter config mode. The ring will blink three times, double touch again to exit config, the ring will blink twice.

• Mode 0 : not configurable
• Mode 1 : long touch to change the temperature
• Mode 2 : not configurable
• Mode 3 : not configurable