2 layers247.7 × 97.7 mm
Woagboard
hackclub/OnBoard
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104 parts915
2 layers252.4 × 81 mm
Thefortyfive
davidfriar/thefortyfiveThis is The Forty Five, an open source forty five percent mechanical keyboard, allegedly designed by Old Badger.
- Size
- 252.4 × 81 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 104
- Nets
- 74
- Pads
- 373
- Tracks, vias
- 961, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 18 Apr 2020
- Updated
- 6 Sep 2020
Overview
Thefortyfive is an open-source printed circuit board by davidfriar, from the davidfriar/thefortyfive repository on GitHub. It is a 2-layer board of 252.4 × 81 mm with 104 parts on 74 nets, routed with 961 tracks and 0 vias.
Its parts include 46 diodes, 2 connectors and 1 switch.
README
README.mdIntroduction
This is The Forty Five, an open source forty five percent mechanical keyboard, allegedly designed by Old Badger.
Some of the key features are:
- Fully programmable using QMK
- Staggered 45 key layout
- Connects via Bluetooth (BLE) or via USB C
- Internal 1200Mah LIPO battery (120 hours continuous use from a 12 hour charge)
- Charges via USB C while plugged in
Project Goals
If you're new to the world of custom keyboards
Build notes
Parts
104| Qty | Value | Footprint | References |
|---|---|---|---|
| 46 | D_SOD-123 | Diode_SMD:D_SOD-123 | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +30 |
| 37 | MX-NoLED | MX_Alps_Hybrid:MXOnly-1U-NoLED | MX1,1, MX1,2, MX1,3, MX1,4, MX1,5, MX1,6, MX1,7, MX2,1, MX2,2, MX2,3, MX2,4, MX2,5, MX2,6, MX3,2, MX3,3, MX3,4 +21 |
| 4 | MX-NoLED | MX_Alps_Hybrid:MXOnly-1.25U-NoLED | MX3,1, MX6,6, MX7,3, MX8,4 |
| 2 | MX-NoLED | MX_Alps_Hybrid:MXOnly-1.75U-NoLED | MX4,6, MX5,1 |
| 1 | Conn_01x12_Female | Connector_PinSocket_2.54mm:PinSocket_1x12_P2.54mm_Vertical | J2 |
| 1 | Conn_01x16_Female | Connector_PinSocket_2.54mm:PinSocket_1x16_P2.54mm_Vertical | J1 |
| 1 | LOGO | thefortyfive:paw | G*** |
| 1 | MX-NoLED | MX_Alps_Hybrid:MXOnly-7U-NoLED | MX7,7 |
| 1 | MX-NoLED | MX_Alps_Hybrid:MXOnly-2.75U-NoLED | MX8,1 |
| 1 | MX-NoLED | MX_Alps_Hybrid:MXOnly-2.25U-NoLED | MX7,6 |
| 1 | SW_Push | Button_Switch_SMD:SW_SPST_B3U-1100P | SW1 |
The 96 most common of 104 parts.
Questions
How big is the Thefortyfive PCB?
It measures 252.4 × 81 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Thefortyfive use?
104 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 Thefortyfive KiCad files?
From the davidfriar/thefortyfive repository on GitHub, at the commit this page was made from: the board is pcb/thefortyfive.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Thefortyfive design in my own project?
Its repository states no licence, so its author keeps all rights: ask davidfriar before reusing the design.
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