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/diy/ - Do It Yourself

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>> No.2031730 [View]
File: 136 KB, 825x736, cv.jpg [View same] [iqdb] [saucenao] [google]
2031730

>>2031680
they use a milling machine. you might be able to rig up a jig similar to a router table to get a similar effect, or sandpaper backed with a flat block if you're really desperate

>>2031672
>>2031675 has the correct answer
pic related from a 40-year-old design using CD4051. you'll want the speed of a real DAC rather than PWM

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