Q10 blackberry keyboard

Micropython implementation of blackberry Q10 keyboard interface to esp32-wroom board.

I'm using the following breakout board for conneting the keyboard to the esp32: https://github.com/arturo182/bbq10kbd_breakout

• Sym button swithes to symbols (and digits)
• Either of the Shift keys switches to capital letters
• Alt key switches to cyrillic keyboard.

Todo

• Fix 'backspace' issue in terminal.
• Connect oled ssd1306 display for text on screen, instead in the terminal
• Implement button interrupts instead of regular looping through the key matrix.