# iso85k *A 85-key ISO keyboard* * Keyboard Maintainer: [Fredrik A. Kristiansen](https://github.com/FredrikAleksander) * Hardware Supported: Custom PCB using STM32F072 * Hardware Availability: PCB gerbers available upon request (fredrikaxk@gmail.com) Make example for this keyboard (after setting up your build environment): make handwired/iso85k:via Flashing example for this keyboard: make handwired/iso85k:via:flash 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 Enter the bootloader in 3 ways: * **Bootmagic reset**: Hold down the key at (0,0) in the matrix (usually the top left key or Escape) and plug in the keyboard * **Physical reset button**: Briefly press the button on the back of the PCB, while shorting the pins marked BOOT0 * **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available