Show HN: I've built a tiny hand-held keyboard

Summary

𝖒𝖆𝖋's Keyer 🎹 Firmware & goodies for making a Keyer (one-handed version of a chorded keyboard). Photos Features: Minimal finger movement : it's like typing with all the keys on your home row all the time : it's like typing with all the keys on your home row all the time Free hand while typing : you can use your other hand to sip tea while typing (or move the mouse - if you're not a tea drinking type) : you can use your other hand to sip tea while typing (or move the mouse - if you're not a tea drinking type) Always near your hand - keyer can be attached to a glove so you can just release it and have both of your hands free. Now you can drink your tea and move the mouse at the same time. - keyer can be attached to a glove so you can just release it and have both of your hands free. Now you can drink your tea and move the mouse at the same time. Tons of chords : a 10-key keyer (3 keys on thumb, 2 index, 2 middle, 2 ring, 1 pinky) can express up to 215 chords (× 2 when counting hold-chord alternatives). With so many chords you can lose a finger and still touch type (carpenters love it!) : a 10-key keyer (3 keys on thumb, 2 index, 2 middle, 2 ring, 1 pinky) can express up to 215 chords (× 2 when counting hold-chord alternatives). With so many chords you can lose a finger and still touch type (carpenters love it!) Arpeggios : an additional 2 × 78 arpeggios - rolling motion over two keys that can be executed in two directions and can be used for even more input options. : an additional 2 × 78 arpeggios - rolling motion over two keys that can be executed in two directions and can be used for even more input options. Multiple layers : if the 586 shortcuts available on the base layer are somehow not enough for you : if the 586 shortcuts available on the base layer are somehow not enough for you Rolling chords : when two subsequent chords you're entering share some finger positions you can only move the finger that changes position. When combined with optimized layouts (see t...