{
"usb": {
"device_version": "0.0.3"
},
"matrix_pins": {
"cols": ["D4", "E6", "B1"],
"rows": ["B6", "B2", "B3", "B4"]
"diode_direction": "COL2ROW",
"processor": "atmega32u4",
"bootloader": "caterina"
}