xobdox
xobdox is a 40%(~ish) split wireless keyboard with a single PCB
design for both halves, featuring joystick, side button, encoder and
configurability options, powered by ZMK.
Features
- Reversible PCB for both left and right halves
- 44/46/48 total switches/buttons
- 44 mechanical switches, Cherry MX or Kailh low profile compatible, hot swappable
- 2 optional side push buttons (one on each side)
- 2 optional encoder push-down buttons (ENC2 only)
- PS2 style joystick
- Used for mouse cursor movement emulation
- Or as a joystick input device
- Flexible configurations
- Choose to install either an encoder or a joystick on each side
- Encoder can be installed at ENC1 or ENC2, joystick uses ENC2 only
- 1u or 1.25u key caps on some keys
Other features are quite common in all the other DIY keyboards you can find out there:
- Wireless (BLE) or Wired (USB) transport
- Ortho-linear (slightly modified and angled) layout
- Hot swappable switches
- Main power switch
No RGB/Glow/Backlight/Display support (yet).
Gallery
- Some keyboards I have built
- Video on joystick mouse movement emulation
- Configuration options
Battery life
Estimated battery life (in months)
| Battery capacity | Central(Left) side | Peripheral(Right) side |
|---|---|---|
| 400mAh | 1.3 | 4.8 |
| 500mAh | 1.5 | 5.7 |
| 1000mAh | 3.1 | 8.5 |
| 2000mAh | 5.1 | 11.3 |
BOM
Note Qty is for one board/side, for a complete set of keyboard multiply Qty by 2 accordingly
| Qty | Device | Parts |
|---|---|---|
| 22 | Switch Socket1 | S1-S22 |
| 22 | Switch1 | S1-S22 |
| 1 | MJTP1117 | S23 |
| 24 | DKS14 | D1-D24 |
| 1 | EC12E24403012 | ENC1/ENC2 |
| 1 | THB001P | JOYSTICK |
| 1 | 1825232-1 | SW1 |
| 1 | seeeduino_xiao_ble | U1 |
| 1 | PKCELL LP5025353 | Battery |
1 Compatible with Cherry MX or Kailh low profile sockets/switches \ 2 Use EC12 for low profile encoder, or EC11 for standard profile encoder \ 3 Depends on battery configuration options, different part can be chosen