2 layers126.6 × 21.4 mm
ADBv2
mattchesters/zmk-apple-desktop-bus-keyboard
ZMK shield for Apple Desktop Bus Keyboard
17 parts168MIT
2 layers114.3 × 91.4 mm
Hawthman
Hawthman/Normkey1Split daisy-chainable 24/48/72 key keyboard
- Size
- 114.3 × 91.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 65
- Nets
- 49
- Pads
- 249
- Tracks, vias
- 239, 4
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 8 Dec 2016
- Updated
- 21 Dec 2016
Overview
Hawthman is an open-source printed circuit board by Hawthman, from the Hawthman/Normkey repository on GitHub. It is a 2-layer board of 114.3 × 91.4 mm with 65 parts on 49 nets, routed with 239 tracks and 4 vias.
It is built around the MCP23017-E/SS. Its parts include 24 diodes, 24 switches, 3 resistors, 3 connectors and 1 capacitor.
Main components
1README
README.mdA custom 48 key split keyboard.
Parts
65| Qty | Value | Footprint | References |
|---|---|---|---|
| 24 | D | Keyboard:DIODE | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +8 |
| 24 | SW_PUSH | Keyboard:CHERRY_PCB_100H | SW1, SW2, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20, SW21, SW22, SW23 +8 |
| 3 | 10k | Resistors_ThroughHole:Resistor_Horizontal_RM10mm | R1, R2, R3 |
| 3 | SW_PUSH | Keyboard:CHERRY_PLATE_200H | SWA1, SWA2, SWA3 |
| 2 | TRRS | ergodox:4pin35mmAudio | J1, J2 |
| 1 | 0.1uF | Capacitors_ThroughHole:C_Disc_D6_P5 | C1 |
| 1 | DIP3 | Buttons_Switches_ThroughHole:SW_DIP_x3_Slide | SW_DIP1 |
| 1 | MCP23017 | Housings_DIP:DIP-28_W7.62mm | U1 |
| 1 | Test | Pin_Headers:Pin_Header_Straight_1x04 | J3 |
The 60 most common of 65 parts.
Questions
How big is the Hawthman PCB?
It measures 114.3 × 91.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Hawthman use?
65 parts, built around the MCP23017-E/SS. 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 Hawthman KiCad files?
From the Hawthman/Normkey repository on GitHub, at the commit this page was made from: the board is pcb/hawthman.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Hawthman design in my own project?
Its repository states no licence, so its author keeps all rights: ask Hawthman before reusing the design.
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