/diy/ - Do It Yourself

Anonymous Fri Jan 6 07:03:07 2023 No.2536731 [View]
File: 9 KB, 400x400, tegaki.png [View same] [iqdb] [saucenao] [google]

>>2536680
You could also just bodge an ATtiny13 or similar to do the oscillating and frequency detection, no PCB needed.
As for the resistor method, pic related.

>>2536690
That's more of a high-voltage thing rather than an old electronics thing. For old electronics, keep in mind that traces and pads on phenolic PCBs are more delicate than fibreglass ones. Especially on single-sided boards without plated through-holes.

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/diy/ - Do It Yourself

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