pmw3360-breakout
zmk
pmw3360-breakout | zmk | |
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7 | 158 | |
80 | 2,403 | |
- | 5.0% | |
0.0 | 9.6 | |
almost 2 years ago | about 13 hours ago | |
C | ||
Creative Commons Zero v1.0 Universal | MIT License |
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pmw3360-breakout
- Another monroewilliams Trackball!
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Now comes the hard part - getting used to it
Here you go: https://github.com/jfedor2/pmw3360-breakout
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A portable trackball I wanted (ZMK powered, some buttons, fixed ball)
A core module just consists of nice!nano and a pmw3360 breakout board by jfedor2 (https://github.com/jfedor2/pmw3360-breakout) which is shown in the last picture. (By the way, jfedor2 has a lot of cool custom trackballs based on RPI which provide lots of ideas.) I'm planning to use this module to apply in various setting, and this was the first prototype to replace my Ploopy Nano.
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Split keeb users, what trackball do you use and why?
Outside of the Ploopy, if you haven't checked out u/Jfedor's stuff I highly recommend it. They created an open source rp2040-PMW3360 pcb specifically for creating new kinds of trackballs. I have bunch coming on the way now (It's a little pricier due to the smd components) and the parts to make trackball 7 when I get here. It's bigger (uses a standard billiard ball) but it seems closer to the direction I'd like. /u/azat-dev on here posted a modified Kyria using Jfedor's 3360 breakout but I don't think they can post the files because it uses modified closed source code.
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Custom Trackball Design
Personally I'd use one of Adafruit's nRF52 Feather boards with an optical sensor breakout like this (this one happens to be mine, but you can find others).
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UK/EU trackball sensor breakout boards?
Here's a nice one if you want to order your own from JLPCB: https://github.com/jfedor2/pmw3360-breakout
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DIY trackball prototype
You're absolutely right and in that spirit I've posted the STLs here and the sensor breakout here.
zmk
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ZMK + Cirque trackpad?
I saw this same question was posted half a year ago and was wondering if anyone knew of any updates. Looks like this development branch of ZMK is stalled.
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Nice!view not working when leds are turned on?
Not sure which information you mean, but here goes. Nice!Nano v2 Pinout (shows Arduino pin mapping). Nice!View Getting Started (explains how to remap the CS pin for a non-native shield like Corne). The overlay file where "cs-gpios" is set for the nice_view_adapter in ZMK. If you look at the Corne Schematic, you'll see as shown in the labels in this image that the bottom two pins (B2, B4, B5, B6) don't appear to be used for a column, row, or the OLED header. But the only way to really verify is to pull the KiCAD file for your Corne version and check yourself. I think D0 ("Data") should work. It appears to go to an optional I2C connection.
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Steps for troubleshooting a new build Corne? (First timer)
if you built the firmware using the corne shield that might be the issue. the splitkb aurora corne has a different pinout.
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Options for Chocofi keyboard
Depending on a controller you will be programming features of your keyboard using QMK or ZMK (there are alternatives but these two are the most popular). You can check documentation of these tools regarding display but some nice sum up is in the related article on splitkb: https://docs.splitkb.com/hc/en-us/articles/360010533820-What-can-you-use-an-OLED-display-for-
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Addicted to moonlander but in need of something more portable
corne-ish zen, the group buy is long over but there is an extras round coming up. I suggest going on the discord if you're interested in knowing when they'll be available for sale. it is a prebuilt so you can just buy it whole and have it ready to use out of the box and runs on ZMK.
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Any new Ploopies? :-)
I would be pretty interested in a wireless Ploopy. Especially if it runs ZMK since that is what I currently use for a split keyboard. It would be pretty awesome to link the macros and layers between my keyboard and mouse if the mouse could be a second peripheral "half" of the keyboard. Admittedly, ZMK's mouse support is still kinda beta, but the wireless support is amazing.
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What's a very simple config change that you can't live without?
The other firmware I wrote for my wireless programable keyboard based on ZMK.
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Wireless Sofle RGB in a low profile case.
The code to enable the second encoder is outlined in this Pull Request https://github.com/zmkfirmware/zmk/pull/728, but since it's not in the main ZMK codebase, to use this feature you need to roll your own ZMK with this PR included. And luckily there is already a kind person who did this in https://github.com/narze/zmk/pull/2
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Keyboard for Carpel Tunnel
Try the Kinesis Advantage Pro because you can customize with ZMK. If you have DIY skills and want to customize event further. There's the open source version. Spit keyboards with QMK are good too.
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Wireless Bluetooth keyboard in early boot - looking for advice
Wired split is not supported by ZMK yet. See https://github.com/zmkfirmware/zmk/issues/1110
What are some alternatives?
nano-trackball - A very small trackball-only mouse. Mechanical files, PCBs, and firmware all included.
qmk_firmware - Open-source keyboard firmware for Atmel AVR and Arm USB families
rp2040-pmw3360 - RP2040+PMW3360 PCB and code
qmk - My fork of QMK firmware (see https://github.com/joric/qmk/wiki)
trackball - Code for a trackball I'm building from scratch
kmk_firmware - Clackety Keyboards Powered by Python
vial-qmk - QMK fork with Vial-specific features.
nrfmicro - A Pro Micro alternative for wireless keyboards
Sweep - Sweep - a small promicro based keyboard inspired by the Ferris.
qmk_firmware - See the "forkreadme" branch or the following link for a description of branches maintained in this fork.
miryoku - Miryoku is an ergonomic, minimal, orthogonal, and universal keyboard layout.
ferris - A low profile split keyboard designed to satisfy one single use case elegantly