2 layers309.1 × 125.4 mm
2 layers295.3 × 133.4 mm
Fidrildi4
jstevej/fidrildi26Butterfly-shaped 34-key keyboard.
- Size
- 295.3 × 133.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 124
- Nets
- 116
- Pads
- 671
- Tracks, vias
- 1,279, 58
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 22 May 2022
- Updated
- 6 Feb 2024
Overview
Fidrildi4 is an open-source printed circuit board by jstevej, from the jstevej/fidrildi repository on GitHub. It is a 2-layer board of 295.3 × 133.4 mm with 124 parts on 116 nets, routed with 1,279 tracks and 58 vias.
It is built around the SK6812MINI-EA. Its parts include 74 diodes, 36 switches, 2 resistors, 1 IC and 1 connector. It belongs with the keyboards and input boards of this library.
Main components
1README
README.mdFiðrildi
Fiðrildi is a 34-key, ortholinear, butterfly-shaped, unibody split keyboard inspired by Reviung, Corne, and others.
QMK support is in the "steve" branch of my QMK repo
I use my own custom keymap on these, which is also in my QMK branch.
Versions:
- Version 4: Based on version 3 with bug fixes and ergonomic tweaks. Keeps the reverse-mount LEDs and acrylic, removes the 4-pin JST connector, adds rotary encoder. MCU is soldered in rather than socketed in order to minimize the profile. Requires 0xcb Helios MCU.
- Version 3: Ergonomic tweaks, peripheral support via 4-pin and 8-pin JST SH (1 mm) connectors, switch to reverse-mount LEDs and acrylic middle layer. MCU is soldered in rather than socketed in order to minimize the profile. Requires 0xcb Helios MCU.
- Version 2: Eronomic tweaks, Cirque trackpad, GC9A01 display, rotary encoder, and side-mount LEDs on the bottom of the PCB. MCU is soldered in rather than socketed in order to minimize the profile. Requires 0xcb Helios MCU.
- Version 1: Inspired by the MT3 Lord of the Rings keycaps.
Parts
124| Qty | Value | Footprint | References |
|---|---|---|---|
| 40 | SK6812-MINI-E | footprints:sk6812-mini-e | D35, D36, D37, D38, D39, D40, D41, D42, D43, D44, D45, D46, D47, D48, D49, D50 +24 |
| 32 | SW_Push | footprints:SW_Hotswap_Kailh_MX_plated_1.00u | SW1, SW2, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20, SW21, SW22, SW23 +16 |
| 17 | 1N4148 | footprints:D_SOD-123_RIGHT | D6, D7, D8, D10, D16, D17, D18, D19, D20, D26, D27, D28, D29, D30, D33, D34 +1 |
| 17 | 1N4148 | footprints:D_SOD-123_LEFT | D1, D2, D3, D4, D11, D12, D13, D14, D15, D21, D22, D23, D24, D25, D31, D32 +1 |
| 8 | MountingHole_Pad | footprints:MountingHole_2.2mm_M2_ISO7380_Pad | H2, H3, H4, H5, H6, H7, H8, H9 |
| 2 | 4.7k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2 |
| 2 | SW_Push | footprints:SW_Hotswap_Kailh_MX_plated_1.50u_90deg | SW32, SW33 |
| 1 | 0xcb_Helios | footprints:Helios | U1 |
| 1 | Conn_01x10_Pin | Connector_PinHeader_2.54mm:PinHeader_1x10_P2.54mm_Vertical | J1 |
| 1 | LOGO | footprints:butterfly | G*** |
| 1 | RotaryEncoder_Switch | footprints:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm | SW36 |
| 1 | SW_Push | Button_Switch_SMD:SW_SPST_TL3342 | SW35 |
| 1 | ~ | footprints:waveshare_display_1_28 | H1 |
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Questions
How big is the Fidrildi4 PCB?
It measures 295.3 × 133.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Fidrildi4 use?
124 parts, built around the SK6812MINI-EA. 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 Fidrildi4 KiCad files?
From the jstevej/fidrildi repository on GitHub, at the commit this page was made from: the board is v4/pcb/fidrildi4.kicad_pcb and its schematic v1/pcb-top-plate/fidrildi.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Fidrildi4 design in my own project?
Its repository states no licence, so its author keeps all rights: ask jstevej before reusing the design.