Aspiring polyglots can be stymied by differing keyboard layouts and character sets when switching concerning languages. [Thomas Pollak]’s Poly Keyboard circumvents this issue by placing a display screen in every vital of the keyboard.
In his extensive establish logs, [Pollak] facts the distinctive problems he’s faced whilst bringing this incredible keyboard to daily life. For case in point, the OLED screens want glyph rendering to manage the legends on the keys. Since the aim is genuine universal language help, he utilized the Adafruit-GFX Library as a starting and was able to lengthen aid to Japanese, Korean, and Arabic so much in his custom fork of QMK.
The notice to depth on this construct is genuinely remarkable. Beside the devotion to complete glyph assist, [Pollak] has measured the sum of added force the flex cables from the OLEDs add to the actuation of the keyswitches. For the Gateron yellow swap he examined, the distinction was about 62.2 g compared to the initial 49.7 g.
In case you’re pondering you’ve observed other screen keyboard assignments, [Pollak] includes a roundup of very similar initiatives in his logs as well. This is not the initially keyboard we’ve witnessed below at Hackaday with an OLED on top of a keyswitch, while [Voidstar Lab]’s MiRage only has three screen keys that were eliminated in a afterwards iteration. If you’d like a much more typical fastened display screen in your keyboard, examine out [Peng Zhihui]’s modular board with an e-ink display screen and haptic opinions knob.
— thpoll (@thpoll2) Oct 4, 2022