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