Show HN: I've built a tiny hand-held keyboard
5 hours ago
- #Keyer
- #DIY
- #Ergonomic
- Keyer is a one-handed version of a chorded keyboard with minimal finger movement.
- Features include free hand while typing, attachment to a glove, and tons of chords (up to 215).
- Includes arpeggios (additional input options), multiple layers, and rolling chords for efficiency.
- Optimized and ergonomic layout to avoid hard-to-press finger combinations.
- Low-latency firmware with hardware interrupts and zero-latency digital debouncing.
- Powered by a massive 18650 battery, offering months of usage.
- Easy and cheap to build (<$50) with parts like Gateron switches, keycaps, and modelling clay.
- Construction involves forming a metal scaffolding with copper wire and covering it with clay.
- Firmware setup involves PlatformIO, cloning a repository, and uploading to the ESP32 board.
- Includes layout optimization scripts for personalized typing preferences.