Ercham MK1 — One-Handed Hybrid Gaming & Productivity Controller
Ercham MK1 is a one-handed hybrid input device that combines a programmable mechanical keypad and an integrated high-precision mouse into a single ergonomic unit. It enables full keyboard-and-mouse control using one hand, supporting gamers, amputees, RSI users, and professionals seeking reduced desk footprint and strain.
Who
Ercham is designed for: One-handed users (amputees, stroke survivors, nerve injury patients); Gamers with limited mobility; Users with RSI or chronic wrist strain; Professionals seeking reduced desk footprint and hand travel; Compact workstation / small-space setups;
Current computing assumes two functional hands. Existing solutions are fragmented — MMO mice lack full movement control, keypads require separate mice, and adaptive devices are often medical, expensive, or non-competitive for gaming.
What
Ercham integrates: A full programmable keypad (≈30 inputs); A built-in optical motion sensor underneath the housing; A mechanically isolated sensor system that maintains pointer accuracy during key presses; An ergonomic palm support and adjustable strap for stabilization; A fully ambidextrous reversible architecture (one global SKU)
How
True one-handed keyboard + mouse functionality; Reduced hand travel and desk footprint; Lower fatigue for long gaming or work sessions; Inclusive design without medical stigma; Single ambidextrous SKU (simplifies manufacturing and inventory); Competitive price target below boutique competitors (~$199 MSRP target)
Competitors
Azeron Cyro (~$230 MSRP) — hybrid device but hand-specific SKUs and boutique scale; MMO mice (e.g., 12+ button mice) — lack full movement + key density parity; One-handed keypads (Tartarus-class) — require separate mouse; Xbox Adaptive Controller — powerful but requires modular setup and external devices
JOE Tomasulo
Share this idea
Other ideas
Log In or Sign Up to Discuss