

Radix
Various utilities for making keyboard development easier
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 142
- Nets
- 103
- Pads
- 780
- Tracks, vias
- 0, 0
- Routed
- Not yet
- KiCad
- KiCad 5 (file 20171130)
- Created
- 18 Jul 2018
- Updated
- 21 Dec 2024
Overview
Radix is an open-source printed circuit board by cozykeys, from the cozykeys/resources repository on GitHub. It is a 2-layer board with 142 parts on 103 nets.
It is built around the ATMEGA32U4. Its parts include 64 switches, 63 diodes, 8 capacitors, 4 resistors and 1 IC. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
1README
README.mdCozyKeys Resources
- ./assets: Various assets used on CozyKeys website, keyboards, etc.
- ./concepts: Unfinished keyboard concepts
- ./cozy-components: Kicad symbol library
- ./cozy-parts.pretty: Kicad footprint library
- ./guides: Guides related to keyboard creation
- ./kbutil: .NET Core tools for accelerating keyboard creation
- ./scripts: Various scripts related to keyboard creation
Parts
142| Qty | Value | Footprint | References |
|---|---|---|---|
| 63 | D | keyboard_parts:D_SOD123_axial | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +47 |
| 63 | KEYSW | keebs:Mx_Alps_100 | K1, K2, K10, K11, K12, K13, K14, K15, K16, K17, K18, K19, K20, K21, K22, K23 +47 |
| 4 | 0.1u | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C3, C4, C5, C6 |
| 2 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R1, R2 |
| 2 | 22 | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R3, R4 |
| 2 | 22p | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C1, C2 |
| 1 | 1u | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C8 |
| 1 | 4.7u | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C7 |
| 1 | ATMEGA32U4 | Package_QFP:TQFP-44_10x10mm_P0.8mm | U1 |
| 1 | Crystal_GND24 | Crystal:Crystal_SMD_SeikoEpson_FA238-4Pin_3.2x2.5mm_HandSoldering | Y1 |
| 1 | SW_PUSH | Button_Switch_SMD:SW_SPST_TL3342 | SW1 |
| 1 | USB_mini_micro_B | keyboard_parts:USB_microB | J1 |
Questions
What parts does the Radix use?
142 parts, built around the ATMEGA32U4. 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.
Where can I download the Radix KiCad files?
From the cozykeys/resources repository on GitHub, at the commit this page was made from: the board is concepts/radix/pcb/test.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Radix design in my own project?
Its repository states no licence, so its author keeps all rights: ask cozykeys before reusing the design.
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