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rainnfx_k1
Overall, this was a super fun project for me. Since i've been meaning to try out PCB design for a few years now. My macropad includes 6 switches, 2 rotary encoder switches, and an 128x32 OLED! Even though my decision to use an I/O expander made the project infinitely harder, I'd do it again! 10/10 project. Hopefully there's no big mess-ups anywhere.
BOM:
- 1x Seeed XIAO RP2040 through-hole
- 6x Gateron Milky Yellow Switches
- 1x 0.91 inch SSD1306 OLED
- 5x M3x12mm screws
- 5x M3 X D4.6 X L5.0
- 2x EC11 Encoder Switches
- 1x PCB
- 8x Through-hole 1N4148 Diodes
- 3x Through-hole 2.7k Ohm Resistors
- 1x PCF8574A I/O Expander
- 12x Mill-Max 0305s
Contact
- @rainnfx via Discord
- @rainnfx via Slack