Add ButtonMasher.exe

hackpads/ButtonMasher.exe/README.md

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+# ButtonMasher.exe
+
+ButtonMasher.exe is a 5 key macropad (arranged in a D-pad shape!) with 3 leds and a rotational encoder!
+
+## Features and Inspiration:
+- EC11 Rotational encoder for screen brightness control (finally I can stop irking about setting brightness on my monitor! (tbh I was too lazy to look up how to set macros before this))
+- 5 whopping keys for epic macros: one should be set up to control the leds too!
+- 3 WS2812B RGB LEDs
+
+I wanted a macropad for various bindings I don't have: everything from screen brightness to song fast-forward/rewind are in here. Lots of variety!
+
+## CAD Model:
+It's made of two pieces: a bottom case and top cover. I might rework this in the future to better show off the leds.
+I learned Fusion 360 basics to do it!
+
+<img src=assets/cad.png alt="Schematic" width="500"/>
+(PS I know these pics don't show the case in full. I've got the pcb model fitted though)
+
+## PCB
+My PCB has some special sauce cooked up by a friend experienced in wojaks. 
+I cannot confirm or deny who might be in those drawings...
+
+Schematic<br>
+<img src=assets/pcb_schematic.png alt="Schematic" width="300"/>
+
+PCB<br>
+<img src=assets/pcb.png width="300"/>
+
+## Firmware Overview
+This hackpad uses [QMK](https://qmk.fm/) firmware for everything. 
+
+I hope to add VIA/further RGB options in the future. (hackboard idea hmmmmmmm (:
+
+## Challenges:
+I've never touched CAD or PCB design before, so almost everything I did had a learning curve. Especially fusion...
+
+## BOM:
+- 5x Cherry MX Switches
+- 4x DSA Keycaps
+- 3x SK6812 MINI LEDs
+- 1x EC11 Rotary Encoder (can I ask for a knob matching the case color?)
+- 1x XIAO RP2040
+- 1x Case (2 printed parts, in black preferably)
+- 4x M3x16 Bolts (and nuts)
+
+Feel free to look at the firmware or other files for inspiration! This was a fun project