It's time to start installing all of the electronics! I'm using the Arduino Metro here.

I need to put the power supply, control circuit, and wires somewhere! To have enough room, I decided to route out a little box at one end of the light, and then two wire channels down the length of the light.

Now that the enclosure is in a good-enough state, it's time to start trying to get the lights working!

I figured out a design! After calls to friends and chatting with friendly people at the local hardware store, I go with this design where I route out a single 2x4:

I go with this design to prevent complicated carpentry work that I'm not confident about. Instead... I still do carpentry work I'm not confident about, but at least it's simple! Also, I get to buy a new toy :P