# itstleo9 Handwired 3x3 macropad built with Pro Micro compatible microcontrollers * Keyboard Maintainer: [ItsTLeo](https://github.com/ItsTLeo) * Hardware Supported: RP2040/ATmega32U4 Pro Micro * Hardware Availability: [RP2040](https://aliexpress.com/item/1005005616524430.html), [ATmega32U4](https://aliexpress.com/item/32888212119.html) Make example for this keyboard (after setting up your build environment): make handwired/itstleo9/promicro:default make handwired/itstleo9/rp2040:default Flashing example for this keyboard: make handwired/itstleo9/promicro:default:flash make handwired/itstleo9/rp2040: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). Dont know how to make a handwire keyboard, check it out [SkottoKeebs handwire tutorial](https://www.youtube.com/watch?v=hjml-K-pV4E&pp=ygUTaGFuZHdpcmUgYSBtYWNyb3BhZA%3D%3D) ## Matrix pin (RP2040 ver) * **cols** : GP10 , GP11 , GP12 * **rows** : GP21 , GP20 , GP19 ## Matrix pin (Promicro ver) * **cols** : D1 , D0 , D4 * **rows** : F4 , F5 , F6 ## Bootloader Enter the bootloader in 3 ways: * **Bootmagic reset**: Hold down the key at (0,0) in the matrix (top left key) and plug in the keyboard * **Physical reset button**: Double-press reset button * **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available