# MIDI Drum Rack example Press to send a MIDI notes in the range from C1 to D#2. Buttons are ordered in the same way the pads are in Ableton Drum Rack: with the USB port poiting from the player left-to-right, bottom-to-top. ## build 1. Make a micropython build with the libraries added: ```bash cd $MICROPYTHON_PATH/ports/rp2 make BOARD=OLIMEX_PICO2_XL clean && make V=1 BOARD=OLIMEX_PICO2_XL FROZEN_MANIFEST={path-to-neogrid-project}/firmware/examples/nanogrid-drum-rack/manifest.py ``` 2. Flush the board with the resulting uf2 (see [firmware/README.md](/firmware/README.md)) 3. Copy the `main.py` to the board