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An Arduino nightlight that looks like a bunny.

Final Product


I was inspired by [this blog post] on Sparkfun. However, I wanted to do something more complex in terms of lightning. The bunny shape was laser cut from acrylic and a simple board was assembled to host two RGB LEDs that connected, along with a button to an Arduno Nano board.

There are three modes for this nighlight:

  1. solid color (five colors pre-loaded; those can be rotated through by a short button press) The single button press controls the light mode:
  2. pulsating color (same five colors; those can also be rotated through by a short button press)
  3. crossfading light (uses the same five colors).

The long button press activates one of the sleep mode durations (turning the light off after 15 / 30 / 60 minutes). A short button press after the sleep mode was activated will cancel it.

What's Included

  1. Eagle schematics for the board1
  2. Arduino sketch

What's Not Included

  1. The bunny shape vector was not included; you can purchase one from a variery of sites, and it does not even have to be a bunny!




1 Funny story. I only had a chance to make two iterations of the board and it was my very first time manufacturing a PCB. Being a lengthy and expensive process, I never had the patience to wait for the last iteration of the board to arrive and instead made the LED circuit using a piece of prototyping board. I also used an Arduino Nano instead of a standalone controller that's present in the circuit diagram. Long story short - the circuit included here is about right, but I am not sure if the PCB actually works since it was not untested. [this blog post]:


An Arduino nightlight




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