Mechanical Keyboards

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Any custom pcb that requires a atmega32u4 soldered directly? (lemmy.sdf.org)

submitted 2 years ago by [email protected] to c/[email protected]

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Hello, I'm looking for any custom keyboard/pcb that requires the components to be soldered directly to it, and uses a atmega32u4. I happen to have a promicro board that I ripped the USB connector and traces from it, so with this new spare chip I was looking to try building something :)

I know most PCBs that can be bought will come with the components already soldered, but I'm open to protects where the pcb needs to be send to be manufactured.

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[–] [email protected] 1 points 2 years ago

How do you intend to connect the pro micro to the computer? I'm just curious.

(I got started on my first handwiring project recently and promptly overwrote my pro micro bootloader, making the usb unfunctioning. Guides say I can rewrite it by hooking it up to another Arduino through the I/O ports).

[–] [email protected] 1 points 2 years ago

The ferris uses a single 32u4, but it will also need other components like an io expander.

[–] [email protected] 1 points 2 years ago

With how cheap those chips are I'm not sure I see the value in sending it to the manufacturer.

I've also never seen a PCB that has the atmega built in show up without that already installed. If you want though you could find an open source board design you like and order the PCBs yourself without components... If you're up for the challenge.

[–] [email protected] 1 points 2 years ago (1 children)

I actually have a PCB design that’s exactly what you’re asking about. Its a basic board with no rgb headers or other features but I designed it because I wanted a full size with numpad (kinda hard to come by) you can order the board from a pcb manufacturer with all the parts (it includes the BoM) or you can just get the board if youd like. Let me know if you’re interested

[–] [email protected] 1 points 2 years ago

Hi, I'm not OP but could I get that PCB design?

[–] [email protected] 0 points 2 years ago

If you don't find something that works for you, you could always try doing a hand wired board. They're pretty fun and easy to do.