Keyboard Builders' Digest / Tools
0xB2 - splinky controller
0xB2 - splinky is a Pro-Micro/Elite-C replacement development board by plut0nium – with USB-C and RP2040.
Published July 24, 2022
Creators! Feel free to tip me off about your keyboard related projects to bring them to 100K readers.
Designed for use in custom mechanical (split) keyboards, 0xB2 - splinky is an open-hardware development board designed and shared by Charles aka plut0nium.
Features
- Pro Micro / Sparkfun RP2040 compatible footprint with 5 extra pins (GPIO12..16) at bottom a la Elite-C
- Raspberry Pi RP2040 MCU
- Up to 16MB flash memory (depending on component selection and availability)
- User LED & USB VBUS detect (GPIO19)
- Low profile USB-C mid-mount connector
- Designed to be manufactured and assembled by all common PCBA services
This pinout is a de facto standard, established by actors of the MK community (see discussions in #RP2040 on the bastardkb Discord server) – Charles.
Resources
GitHub repo with required information (gerbers, bom, pos) for assembly e.g. by JLCPCB.:
https://github.com/plut0nium/0xB2/
(Thanks for the tip Quentin!)
Published on Sun 24th Jul 2022. Featured in KBD #88 (source).
Related
Introducing Bonsai C
Bonsai C is an open-source drop-in-replacement for Proton C by customMK.
TinyS3 controller
UnexpectedMaker's TinyS3 is a development board featuring the ESP32-S3 controller, and offering both wired and wireless connection.
Epi controller
A new open-source controller with tiny footprint: Epi by u/rallekralle11.
Rhytm game controller
This controller by OmnisaiRen features mechanical switches, encoders, and comes with a detailed devlog.
RP2040 Stamp
The RP2040 Stamp is a RP2040-based controller with LiPo charger and Neopixel – breaking out all GPIO pins.