Mechanical GKOS keyboard for phones and tablets.

A no-compromise, mechanical switch, 6-button chording keyboard, placed on the rear side of a tablet or a mobile phone.

ptrav

Quantity		Component name
1	×	Arduino Pro Micro ATmega32U4 ATMEGA32U4-AU 5V/16MHz
2	×	SPST PCB Mount Tactile switch with green LED Jaycar PN SP-0621
2	×	Micro USB plugs, male
1	×	SPDT Micro Slide Switch Jaycar PN SS0834
8	×	Resistors, 1.1k
1	×	Resistor, 10k
1	×	Resistor, 50k
1	×	Micro USB plug, female, breakout board AliExpress, 0118975