

Split steno left
Split Stenographic Keyboard
- Size
- 99.7 × 74.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 44
- Nets
- 41
- Pads
- 261
- Tracks, vias
- 527, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 1 Mar 2018
- Updated
- 13 Sep 2018
Overview
Split steno left is an open-source printed circuit board by samlli, from the samlli/Split-Steno repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 99.7 × 74.2 mm with 44 parts on 41 nets, routed with 527 tracks and 0 vias.
It is built around the TC2030-IDC-NL. Its parts include 20 switches, 7 connectors, 5 capacitors, 2 resistors and 2 ICs. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
1README
rev2.0/README.mdrev2.0
WARNING: INCOMPLETE/ABANDONED
Reason: big forehead, decided to scrap and proceed with 2.1
Features:
Integrated ATxmega controller
SMD only
No Diodes
Reversible PCB
Parts
44| Qty | Value | Footprint | References |
|---|---|---|---|
| 18 | SW_Push | lib_fp:MX-1U-NoLED | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18 +2 |
| 6 | MountingHole_2.2mm_M2 | lib_fp:MountingHole_2.2mm_M2 | M2, M2, M2, M2, M2, M2 |
| 4 | 0.1uF | lib_fp:C_0603_HandSoldering | C2, C3, C4, C5 |
| 2 | 4.7k | lib_fp:R_0603_HandSoldering | R1, R2 |
| 2 | Conn_01x03 | lib_fp:Pin_Header_Straight_1x03_Pitch2.54mm | J4, J5 |
| 2 | SW_Push | lib_fp:MX-2U-NoLED | SW19, SW20 |
| 1 | 10uF | lib_fp:C_0603_HandSoldering | C1 |
| 1 | ATXMEGA-A4U-EPAD | lib_fp:TQFP-44_10x10mm_Pitch0.8mm | U2 |
| 1 | Audio-Jack-4 | lib_fp:TRRS-PJ-320A | J2 |
| 1 | Conn_01x02 | lib_fp:Pin_Header_Straight_1x02_Pitch2.54mm | J6 |
| 1 | Conn_02x04_Odd_Even | lib_fp:Pin_Header_Straight_2x04_Pitch2.54mm | J3 |
| 1 | Fuse | lib_fp:Fuse_SMD1206_HandSoldering | F1 |
| 1 | LOGO | lib_fp:airi_icon-7.6 | G*** |
| 1 | MIC550X | lib_fp:SOT-23-5_HandSoldering | U1 |
| 1 | TC2030-IDC | lib_fp:TC2030-NL_SMALL_AND_IDC_PDI | P1 |
| 1 | USB_B | lib_fp:USB_miniB_hirose_5S8 | J1 |
Questions
How big is the Split steno left PCB?
It measures 99.7 × 74.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Split steno left use?
44 parts, built around the TC2030-IDC-NL. 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 Split steno left KiCad files?
From the samlli/Split-Steno repository on GitHub, at the commit this page was made from: the board is rev3.0/split_steno_left.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Split steno left 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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