Keyboards

Reinmuth66 rodeoman ULP

A DIY kit for a compact wireless split 40-key ortholinear keyboard with ultra low profile switches and two AZ1UBALL trackballs, running ZMK.

Key specs auto-matched against source pages · Last verified: 2026-10-17

~¥17,000

Where to buy

View at BOOTH (Reinmuth66)Official site

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Pros

  • Fully wireless build running ZMK firmware
  • Ultra low profile switches make it thin enough to carry in a pocket
  • Two AZ1UBALL trackballs, one per half
  • A pre-soldered switch kit is available

Cons

  • Seeed XIAO BLE, AZ1UBALL V2 and LiPo batteries must be sourced separately
  • Cases are home 3D-printed and may show layer lines or slight warping
  • The basic kit requires soldering the switches
  • Stock is limited and shipping can take up to 30 days

Specs

SplitSplit
StaggerOrtholinear
TentingNone
KeywellNo
Thumb clusterNo
Keys40
LayoutsCustom
SwitchesLow-profile
Hot-swapNo
FirmwareZMK
DIY kitYes
ConnectivityBluetooth
OSwindows, macos, linux, ios, android
Released2026
Sources
AD · detail-mid

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