# nt660 A drop-in replacement PCB for the Leopold FC660M. * Keyboard Maintainer: [Maartenwut](https://github.com/Maartenwut) * Hardware Supported: nt660 PCB * Hardware Availability: [maartenwut.com](https://maartenwut.com/product/nt-660/) ## Flashing In place of the DIP switches on the original PCB there is a small button. Press that to jump to the bootloader. --- Make example for this keyboard (after setting up your build environment): make maartenwut/nt660:default 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).