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rainger's terrible no good very bad hackpad

Created by [rainger] • Started on July 03, 2025

first hardware project ever so im doing a hackpad!

First journal!

7/4/25, 1:21 AM

So originally I was planning on doing a hackpad when i started this project but ended up going down a rabbit hole so its more like a numhackpad instead of a hackpad, it also uses a matrix now too, so yea. I made the schematic and routed and wired and stuff today! (this is literally my first hardware project please help i think im overstepping it </3) but yea, not a hackpad anymore, its a numhackpad, should update the repo name but aaa im too lazy

image of my pcb ^ pcb editor! image of my schematic ^ pcb schematic 3d image of my pcb ^ ooo 3d view

total time spent: 4hrs

day 2!!

7/4/25, 4:03 PM

This time round I did some stuff with the case (and then undid it bcs i decided i needed to expand my pcb). I also added holes for standoffs + added art! Also, new repo name wooo

image of my new pcb ^ pcb editor! 3d image of the new pcb ^ 3d view again case before i undid it ^ what the case looked like before i undid my stuff

total time spent: 2 hrs

day 3!!

7/5/25, 9:15 PM

so now we have like standoff thingies to screw our pcb into! also redid the case fr, also did actual hole stuff, took me a bit. lwk kinda having fun though

new case! new case! ^

pcb went through a bunch of changes only to undo them and end up with roughly my original design 😔 total time spent: 3 hrs

wooo we're finished kind of! (probably if i didn't mess up the case)

7/6/25, 12:08 AM

so i accidentally added one more key so we're removing the delete key for the sake of keeping it within hackpad guidelines, and so now its a 16 key numhackpad and it truly is terrible no good very bad! the top is finished, case is done, so yay! super cool! next up, firmware </3

completed hackpad completed hackpad! top of the case/plate plate by itself 3d pcb view new pcb view 2d pcb view 2d pcb view

total time spent: 3 hrs

starting the firmware

7/6/25, 1:16 PM

so for firmware i'm using kmk bcs qmk setup hangs. anyways idk if this is required, im still trying to figure out how to do the gpio pin declaration but it should be mostly complete. no images this time bcs its actual code sorry chat off to lunch now

total time spent: 40m

we're done!

7/6/25, 5:13 PM

so now we're done! i added keycaps to the 3d model, did a bunch of organizing, and made a readme, so yay!

put together top file structure

total time spent: 1hr