2 layers75 × 100 mm
Phased
Neumi/open_echo
Open Source echo sounder / depth sounder / SONAR for bathymetry and research. Arduino based and compatible.
77 parts530
2 layers127.9 × 82.9 mm
FEnki
aroum/fEnki2442/36 Low Profile Ergonomic Keyboard
- Size
- 127.9 × 82.9 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 77
- Nets
- 51
- Pads
- 415
- Tracks, vias
- 1,321, 20
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 8 May 2025
- Updated
- 19 Aug 2025
Overview
FEnki is an open-source printed circuit board by aroum, from the aroum/fEnki repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 127.9 × 82.9 mm with 77 parts on 51 nets, routed with 1,321 tracks and 20 vias.
Its parts include 21 diodes, 21 switches, 3 resistors, 3 connectors and 1 IC. It belongs with the AVR (ATmega, ATtiny) boards of this library.
README
cover/README.mdParts
77| Qty | Value | Footprint | References |
|---|---|---|---|
| 21 | D | enki_lib:D_SOD-323_HandSoldering_duplex | D1, D2, D3, D4, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21 +5 |
| 21 | SW_PUSH | enki_lib:ChocV1_duplex | SW1, SW2, SW3, SW4, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20, SW21 +5 |
| 10 | Hole | enki_lib:HOLE | H1, H2, H3, H4, H5, H6, H7, H8, H9, H10 |
| 7 | cutout_3 | enki_lib:cutout_3 | cut1, cut2, cut3, cut4, cut5, cut6, cut7 |
| 4 | LOGO | LOGO | G1, G1, G2, G2 |
| 3 | 1K | didSwitch:R_0603_1608Metric_rev | R1, R2, R3 |
| 3 | RED | didSwitch:LED_0603_1608Metric_rev | VD1, VD2, VD3 |
| 1 | Jumper_3_Bridged12 | Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm_NumberLabels | JP1 |
| 1 | MJ-4PP-9 | enki_lib:MJ-4PP-9_dual | J2 |
| 1 | OLED | enki_lib:nice_view_2side | J3 |
| 1 | ProMicro_r | enki_lib:ProMicro_duplex_clean_rev | U1 |
| 1 | SW_PUSH | enki_lib:SW_3x4x2_2legs_x2 | RSW1 |
| 1 | SW_SPDT | didSwitch:BSI-10H | PSW1 |
| 1 | TestPoint_2Pole | enki_lib:battery_conn | J1 |
The 76 most common of 77 parts.
Questions
How big is the FEnki PCB?
It measures 127.9 × 82.9 mm and has 2 copper layers, 1.6 mm thick.
What parts does the FEnki use?
77 parts. 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 FEnki KiCad files?
From the aroum/fEnki repository on GitHub, at the commit this page was made from: the board is pcb/fEnki.kicad_pcb and its schematic pcb/fEnki.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the FEnki design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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