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16n-faderbank / 16n

Sixteen faders, a Teensy, MIDI over USB and jack, CV out, and I2C out. Phew.
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Standoff height? #7

Open okyeron opened 5 years ago

okyeron commented 5 years ago

Another discrepancy between Octopart BOM and CSV...

The CSV has 6mm M-F standoff, Octopart has 5mm

Should we assume Octopart BOM is correct?

infovore commented 5 years ago

Well.

6mm is correct, but even though Harwin make a 6mm M-F spacer, Octopart doesn't list it.

Also: this is dependent on the length of your screws. With the counterrsunk screws, I needed a 6mm spacer to accommodate them; with panheads, the 5mm one was fine. I could go looking for alternate parts. If you're not using countersunk holes, 5mm should be fine.

This is a weird discrepancy, but I'm not sure how best to solve it.

okyeron commented 5 years ago

So here's alternate part from mouser that's 6mm, but only 4.5 wide https://www.mouser.com/ProductDetail/RAF-Electronic-Hardware/M2101-2545-AL?qs=sGAEpiMZZMtrde5aJd3qwxLSm3K1%252btbtLUSkuQwkkwQ%3d

(it seems Mouser does not stock the Harwin 6mm one)

Might be good to mention the length being an option in the docs?

okyeron commented 5 years ago

Followup thought - if your fader bats/arms/shafts (what are those called anyway) are too long/tall for your chosen fader caps, you could potentially get longer top spacers to raise the panel up a bit.

Useful addendum for the build docs?