Magic Lamp with wireless charger, Adafruit Trinket & NeoPixels

Fun, glowy AND wireless! Thanks to Frederick Vandenbosch for sending in this magic lamp project. Check out the full build here.

Concept

The idea for this little project is to have a lamp which can be turned on or off simply by moving it on a desk.

A wireless charging base is built into the desk’s surface, and a circuit with microcontroller and LEDs gets powered wirelessly using the charging coil.

Components & Circuit

The electronic components used in this project are the following:

The Qi Wireless Charger was bought on eBay for a couple of euros. According to the specs, it is capable of outputting 5V/1A, which should be more than sufficient for this simple circuit.

Connecting everything together is simple:

  • the coil’s positive terminal is connected to the Trinket & NeoPixel USB+/PWR pins
  • the coil’s negative terminal is connected to the Trinket & NeoPixel GND pins
  • the Trinket’s #0 pin is connected to the NeoPixel IN pin

Read more.


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