
Controller
google/mozc-devices
Circuit diagrams and firmware source code for Gboard DIY keyboards

Direct PCB printer based on a Lexmark E460dn
Alinhamento com furos KiCad - novo is an open-source printed circuit board by Vitorbnc, from the Vitorbnc/haxmark460 repository on GitHub, published under the Apache-2.0 licence. It is a 2-layer board with 11 parts on 6 nets, routed with 41 tracks and 14 vias.
It is built around the OPA124U. Its parts include 4 capacitors, 1 resistor and 1 IC.
Direct PCB printer based on a Lexmark E460dn
Detailed build instructions here.
Based on the haxmark project and this instructable.
Quick demo video here.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | @HOLE0, @HOLE1, @HOLE2 | ||
| 2 | 0.1uF | tunnelAmp:C0603 | C3, C4 |
| 2 | 4.7uF | tunnelAmp:C_6032-28W | C1, C2 |
| 1 | 1,6_0,9 | tunnelAmp:1,6_0,9 | PAD1 |
| 1 | 220 | tunnelAmp:R0603 | R1 |
| 1 | OPA124U | tunnelAmp:SO08 | IC1 |
| 1 | PINHD-1X5 | tunnelAmp:1X05 | JP1 |

google/mozc-devices
Circuit diagrams and firmware source code for Gboard DIY keyboards


FrameworkComputer/ExpansionCards
Reference designs and documentation to create Expansion Cards for the Framework Laptop

hoglet67/RGBtoHDMI
Bare-metal Raspberry Pi project that provides pixel-perfect sampling of Retro Computer RGB/YUV video and conversion to HDMI

hackclub/OnBoard
💡 Join 1,000 teenagers and make your first PCB with a $100 grant!


tardate/LittleArduinoProjects
a collection of "Little Electronic & Arduino Projects", most involving electronics or an Arduino in one way or another!

basilfx/TRADFRI-Hacking
Hacking IKEA TRÅDFRI products, such as light bulbs, window blinds and other accessories.
11 parts, built around the OPA124U. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the Vitorbnc/haxmark460 repository on GitHub, at the commit this page was made from: the board is Alinhamento com furos KiCad - novo.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the Apache-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).