Tesla coils are awesome. But if you’ve ever built one, you know how tedious winding the secondary coil is. So [Krux] decided to build a machine to do it for him. He’s currently working on his ...

This includes the guitar pickups, so he built himself a pickup winder that has measures RPM, ETA until done, and auto stop for when ... an ohmmeter to measure the coil resistance and a Gauss ...