# Prototypist J-01 The J-01 is a keyboard supporting and exploded 65% layout with 12 key left hand macro pad, PCB designed by Flex of FLX Keyboards, keyboard designed by Prototypist. * Keyboard Maintainer: [Flexerm](https://github.com/Flexerm) * Hardware Supported: J-01 rev1 PCB * Hardware Availability: Public Groupbuy was held in October 2020. Make example for this keyboard (after setting up your build environment): make prototypist/j01: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).