Converting an HF Torch into a Pilot Arc Torch

Elliot Williams and Al Williams got together again to discuss the best of Hackaday for a week, and you're invited. This week, the guys were into the Raspberry Pi 5, CNC soldering, signal processing, and plasma cutting. There are dangerous power supplies and a custom 11-bit CPU.

Of course, there are a few Halloween projects that would fit in perfectly with the upcoming Halloween contest (the deadline is the end of this month; you still have time).

OpenSCAD is about to get a lot faster, and a $20 oscilloscope might not be a toy after all. They wrap up by talking about Tom Nardi's latest hardware conversion of DIP parts to SMD and how TVs were made behind the Iron Curtain.

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