* Hardware Availability: [Aliexpress Pro Micro](https://www.aliexpress.us/item/3256805781371913.html)
Make example for this keyboard (after setting up your build environment):
make handwired/petruziamini:default
Flashing example for this keyboard:
make handwired/petruziamini:default: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 with:
* **Keycode in layout**: Press the key mapped to `QK_BOOT` (3,5) + (0,1) in the matrix