Disclaimer: I am not an expert in electronics or programming. That's the way I did it, and that's not necessarily the correct way to do it.
In the last few days I have updated my test rig once again:
- Replaced the green “Sequin” and other LEDs with the new RGBW NeoPixel
- Removed the bar graph LEDs and replaced them with rectangular RGB LEDs
- Added the second MPR121 capacitive touch breakout board
- Changed some power lines to use mainly the +5.0V from the PowerBoost module
Currently, the test rig looks like this:
And here's a short clip where I tested the newly added NeoPixels: