The Murciélago is a split ortholinear keyboard with 60 keys in a 6x4 layout + 6 thumb keys (per side). At the upper thumb positions, rotary encoders can be used instead of switches.
See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).