HOW TO ATTACH A PCB PROJECT TO A SYNTHESIZER FRONT PANEL
Making a bracket to attach a PCB project to a panel is a pretty quick and easy project and is a valuable DIY skill to have. Once you have mastered this, you can adapt pretty much any PCB project to any format you like!
Sheet metal (sold as "flash" for roofing at the hardware store
Basic hand tools (screw/nut drivers, tin snips, permanent market/scratch awl)
A bench-top drill press [recommended] or hand drill [not recommended]
Are you working on improving your soldering skills? Dave Jones is an electronics engineering-centric video blogger (EEVBlog) who made these awesome tutorials. We highly recommend these videos as a starting point for good soldering practice, however, there are tips & tricks here to learn from even if you are a seasoned electronics hobbyist! Dave really knows his stuff. Thanks for sharing your knowledge with the world, Dave!
HOW TO USE A MULTIMETER (and other tutorials)
The multimeter is one of the most basic test instruments in any electronic enthusiast's toolkit. The multimeter can be confusing to wrap your head around. Warren Young of tangentsoft.net made a series of very informative videos, including one that teaches basic multimeter use. He has rather generously shared his electronics expertise with everyone by spending the time to make so many useful videos. Thanks, Tangent!
HOW TO WIRE AN ATTENUATOR
To wire an attenuator for CV or audio, you can use pretty much any value of potentiometer between 10k and 100kohms.
For general purpose/CV, use a linear pot.
For audio, you probably want to use an audio taper pot.