Add toby's hackpad

hackpads/toby-hackpad/README.md

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+---
+runme:
+  id: 01JN0WNC339XBG3HPCGNCHPFSG
+  version: v3
+---
+
+# Toby's Hackpad
+
+simple hackpad to teach me how to make schematics, design PCBs, and write firmware for the RP2040.
+
+thank you deeply to @dhylands for mentoring me through this process. i learned so much small tips for the encoders, i2c, switches, neopixels, etc.
+
+## CAD Model:
+
+![case](./assets/case.png)
+
+![case top cover](./assets/top.png)
+
+speedran the CAD model in Onshape. i love onshape.
+
+## PCB
+
+pcb made in kicad, very nice software that works great with linux too! learned how to make my own symbols for an external display!!!
+
+Schematic:
+
+![schematic](./assets/schematic.png)
+
+PCB:
+
+![pcb!](./assets/pcb.png)
+
+## Assembled preview
+
+![assembled](./assets/assembled.png)
+
+![assembled](./assets/assembled_no_top.png)
+
+![assembled](./assets/assembled_no_top_top_view.png)
+
+## Firmware Overview
+
+using kmk for the firmware. primitive at the moment but planning to make extensions through the spare gpio pins in the future.
+
+- the rotary encoder changes volume!
+- VIA support soon!
+
+## BOM:
+
+| Quantity | Part                                 |
+|----------|--------------------------------------|
+| 1        | PinHeader_1x16_P2.54mm_Vertical      |
+| 12       | LED_SK6812MINI_PLCC4                 |
+| 10       | SW_Cherry_MX                         |
+| 1        | C-100nF-0603                         |
+| 1        | MCP23017_SO                          |
+| 5        | C-1uF-0603                           |
+| 2        | R-4.7K-0603                          |
+| 1        | XIAO-RP2040-DIP                      |
+| 1        | RotaryEncoder_Alps_EC11E-Switch      |
+
+please refer to [bom.csv](./bom.csv) for the full list of components.
+
+## Smol fact
+
+i joined acon speedrunning session on the last day before the deadline and it was pretty fun to listen to someone yapping while i work on my hackpad lol.

hackpads/toby-hackpad/bom.csv

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+Quantity,Part
+1,PinHeader_1x16_P2.54mm_Vertical
+12,LED_SK6812MINI_PLCC4
+10,SW_Cherry_MX
+1,C-100nF-0603
+1,MCP23017_SO
+5,C-1uF-0603
+2,R-4.7K-0603
+1,XIAO-RP2040-DIP
+1,RotaryEncoder_Alps_EC11E-Switch