{ "keyboard_name": "Symmetric70 prototype promicro", "features": { "bootmagic": true, "mousekey": false, "extrakey": false }, "qmk": { "locking": { "enabled": true, "resync": true } }, "split": { "serial": { "pin": "D0" } }, "processor": "atmega32u4", "bootloader": "caterina" }