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peroxide

Hardware
  • 3 Devlogs
  • 6 Total hours

a simple rp2040 dev board to teach me embedded electronics!

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1h 34m 12s logged

first entry of the day! (and it took a lot longer than i expected)
i moved all the silkscreen numbers about and this is what the drc and board look like!
i made all the designators 0.8mm x 0.8mm and 0.15mm thick because otherwise they just wouldnt fit :(
i made some decals in photoshop as well!
imported them into kicad and changed the board colour, and this is what it looks like!
im really happy with the final product!

entry time : 1 hours 34 minutes
total time : 5 hours 49 minutes

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3h 34m 12s logged

this took loads and loads of trial and error so strap in for it!
i first assigned footprints to all the components, which is all well and good, right?
wrong.
i hate 0805 footprints with my whole heart.
so after 5 redesigns trying to make all of the decoupling caps and what have you fit - i caved and used 0402 footprints; and oh my lord are they a godsend!
but after placing components and wiring them all up, i realised i forgot about the pin headers, and because i want the bottom as a solid ground plane - it meant that i had to rearrange everything in the schematic.
absolute nightmare.
however, we move - and move we did.
whoever invented the idea of filled zones i love you cause just look at this
absolutely wonderful.
anyway - in a short 3 hours and like 30 minutes we get this masterpiece
now i will admit she’s not exactly a looker - but come on its my first attempt!

next steps!
sorting out the silkscreen cause oh my lord its horrendous.
all silkscreen warnings :(
and
i want to manufacture it in black fr4 i think - so i’ll make some decals for the front and back tomorrow
and
i’ll make a funky looking readme - maybe something like my other project pentoxide?

but im just so glad i finally learned a bit of embedded electronics from just a schematic and a bit of thinking!

entry time : 3 hours 34 minutes
total time : 4 hours 15 minutes

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45m logged

this entire time was spent learning about the rp2040 and wiring a schematic for the board!
i followed the rp2040 minimal design example documentation and amended my design for usb-c support and some gpio pins for space reasons.
here’s the final schematic!

entry time : 41 minutes
total time : 41 minutes

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