XiPU - Design of the keyboard
28.09.2023
Description of how the keyboard works and how it communicates with the IO Board. It also contains a list of parts needed to build the keyboard.
1. Modules
The keyboard is made using a 2-layer PCB. It contains only one connector, a few resistors and 61 Gateron switches.
PCB
1.1. Keyboard
5 lines are used for selecting the current scanning row. 15 lines are used to read the status of the keys in the active row.
Schematic
2. List of parts
| # | Name | Quantity | Description |
|---|---|---|---|
| 1. | Keyboard PCB | 1 | |
| 2. | 10k Ohm 1206 | 5 | Resistor |
| 3. | Male 1x20 pin header 2.54mm | 1 | |
| 4. | Gateron Blue switch | 61 | Keyboard switch |
| 5. | Cherry MX Stabiliser 2u | 2 | Stabiliser for the shift key |
| 6. | Cherry MX Stabiliser 6.25u | 1 | Stabliser for the space bar |
| 7. | Pbt Minila keycaps | 1 | Keycaps for the 75% keyboard |