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hackpad/hackpads/ControlBoard/README.md
Hrichik M 04c069912d
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2025-02-21 07:58:40 +05:30

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ControlBoard

image A 2 knob, 9 switch macropad with a 128x32 OLED. All powered by a Seeed XIAO RP2040 along with a MCP23017.

Why

It would help me when I don't have my mouse with me, can be used with my laptop to control volume, brightness, etc. The possibilities are endless!

BOM:

  • 9x Cherry MX Switches
  • 2x EC11 Encoder WITH button
  • 1x 0.91in 128x32px OLED (SSD1306)
  • 1x MCP23017
  • 1x PCB
  • 4x M3x20mm screws
  • 1x Bottom case (3D Printed)
  • 1x Top plate (3D Printed)
  • 1x Encoder knob (3D Printed)
  • 1x Switch plate (Laser-cut acrylic)
  • 1x Through-hole 4.7k resistor
  • 1x Seeed XIAO RP2040

Challenges:

I am new to PCB design and 3D design, so i had to learn a lot of things, the guides really game in handy.

Schematic PCB Case
image image image