Source code for DIY MIDI controller projects.
Full tutorial for Amp Control here: https://www.bluecataudio.com/Blog/tip-of-the-day/diy-midi-controller-for-amp-simulation-how-to-build-your-own/
Full tutorial for Multitrack analog VU Meter here: https://www.bluecataudio.com/Blog/tip-of-the-day/building-a-midi-controlled-analog-vu-meter/