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MCU sockets docu #34

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hoijui opened this issue Jan 2, 2025 · 0 comments
Open

MCU sockets docu #34

hoijui opened this issue Jan 2, 2025 · 0 comments

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@hoijui
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hoijui commented Jan 2, 2025

The BoM mentions MCU sockets.
As I am a newb, I was a bit lost with that. After searching quite some, I figured that one possible solution is to look for "DIP 24 wide socket round hole", which should fit the ProMicro, when using diode legs soldered onto the controller board.

I would like to document this in the build-guide, so other newbs don't have to research it.
What do you think?

Details

important info:

  • A Pro micro has 2 rows of 12 pins each -> DIP 24.
  • The distance between the legs is 0.1" (2.54mm), which is the standard.
  • The distance between the two rows of pins, measured from the center of a pin to the center of a pin on the other row) is 0.6" (15.24mm).
  • (redundant but nice to know/check:) distance from the first to the last (12th) pin is 11 * 0.1" = 1.1" (27,94mm)

This is met by "DIP 24 Wide", and the "round hole" sockets work well with the diode legs.

One can find this info sometimes on the site where one can buy the sockets, or looking at datasheets (here specifically the 800 series, page 16 of the PDF, aka page A15).

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