# Polaris-Compatible Hotswap and Solder PCB's The following is the QMK Firmware for the Polaris-Compatible Hotswap and Solder PCB's developed by FJLaboratories (FJLabs). * Keyboard Maintainer: FJLabs * Hardware Supported: Polaris Hotswap and Solder Make example for this keyboard (after setting up your build environment): make fjlabs/polaris: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). Bootloader can be entered by pressing the reset button near the main microcontroller while the board is plugged in. Alternatively, it may be entered by holding the top-left-most switch and plugging in the PCB while held.