# Nightly Boards [n]40-o ![[n]40-o](https://i.imgur.com/CFIKCXNl.jpg) A 4x12 Ortholinear keyboard with left-side macro keys that supports three rotary encoders * Keyboard Maintainer: [Neil Brian Ramirez](https://github.com/NightlyBoards) * Hardware Supported: atmega32u4 Make example for this keyboard (after setting up your build environment): make nightly_boards/n40_o:default Flashing example for this keyboard: make nightly_boards/n40_o:default:flash You can enter bootloader mode by pressing the physical reset button at the back of the pcb or by holding the upper left key/rotary encoder while plugging the usb cable. 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).