# Ergo33 A one-handed 33-key keypad for gaming, macros etc. * Keyboard Maintainer: [Mika Kuitunen / kulmajaba](https://github.com/kulmajaba) * Hardware Supported: Ergo33 PCB, ATmega32U4 MCU, Kailh hot-swap sockets, EC11 rotary encoder * Hardware Availability: Open source, schema and layout: [Github](https://github.com/kulmajaba/tunks-keyboard) ![](https://i.imgur.com/G5nAspYl.jpg) ![](https://i.imgur.com/snLIZrEl.jpg) Make example for this keyboard (after setting up your build environment): make tunks/ergo33: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 mode To get the keyboard into bootloader mode, press the switch `SW1` on the backside of the PCB once while the keyboard is connected to USB.