Making a Modular Synthesizer - Part 1: VCO and Power Supply

I started my synthesizer project by making a power supply.
I used a Mean Well RT65B and a DIY bus board to turn mains electricity into usable -/+12V DC.

For my first VCO build I used the CEM3340 voltage controlled oscillator chip and schematics which I've found on lookmumnocomputers website:
https://www.lookmumnocomputer.com/projects#/cem-3340-diy-simple

CEM3340 explained:
https://www.youtube.com/watch?v=FZkHGGrnlF4

Видео Making a Modular Synthesizer - Part 1: VCO and Power Supply канала Something Physical