Hike News
Hike News

【IC】donut81 MX|Alps 75% PCB

类型: IC
作者: donutcat
发布时间: 2017-04-23 02:47:13
更新时间: 2017-08-11 23:39:21
原链接: https://geekhack.org/index.php?topic=89069.0


This is a pretty basic IC for this 75% PCB that is a collaboration between myself and @amtra5 on the /#mechkeys Discord. I’ve already received a good deal of interest on Reddit and have already done a Rev1 prototype run.


While this initial version utilized a Teensy2.0 for the sake of easy and lower costs for a small run, Rev2 is utilizing an SMD Atmega32u4.

Features list:

  • 75% form factor
  • MX and Alps style compatibility
  • Several layout support options, picture below
  • WS2812B strip support
  • Support for QMK/TMK/Soarer’s firmware
  • Normal and rotated Alps ISO Enter
    More

Layout options:

The initial prototype run was a success, though at this point it was mainly a proof of concept as we’ve changed the controller in Rev2. Sometime soon I will be doing the Rev2 prototype run with full SMD assembly and will most likely have extra PCBs for sale afterwards to help make up for some of the prototyping costs.
For the eventual GB, I am currently in contact with several custom case makers in the community in order to provide some simple but nice cases for the first round GB, and perhaps a fancier case option available for future rounds.
4-27-2017 Update:
I’ve ordered the Rev2 prototypes and they should arrive mid next week going by previous shipping times. This is the first test of our SMD controller design and I’ll actually be doing the assembly myself since low quantity SMD assembly setup costs scared me. Switching to SMD we’ve also managed to shrink down the PCB size slightly and moved the USB port, so I think now that it should actually fit into any aftermarket case that a B.mini PCB could fit into, barring the screwhole cutouts that the B.mini has on its edge. I need B.mini dimensions though to be certain, so if anyone could get ahold of them that would be nifty.
Bump from hell up in this /////*. I finally found someone to do the SMD soldering on the 2nd prototype and I’ll have in on hand to test in a couple days. As soon as that happens I can work with my case makers and try to get case options available to order when the PCB GB goes live. On a related note, I’ve contacted Matias about possibly setting up a 75% Alps keyset to GB alongside the PCB. Unfortunately, it doesn’t seem like Matias is very receptive to business inquiries as it took several tries to get my email through their spam filter. They have yet to reply. In the meantime I’ve considered going to SP to get an Alps 75% set going, in either DSA or DCS. While I don’t agree with some of their business choices or some of their past interactions with the community, working with them would mean a cooler looking set and the chance to do an MX companion set at the same time.
New layout options:

I’ve got another IC form here https://goo.gl/forms/PabRvK8KlnrgMaM32 for a little more feedback.
As always, suggestions and thoughts are welcome.

, ,