Osu!Keypad

An open source & cheap 2 key keyboard for playing Osu!.

Materials

• Arduino Pro Micro
  • $16.89 - Amazon (fast shipping)
  • $4.06 - Aliexpress (very slow shopping)
• Key Switches (Any MX style switch should work - default uses Kalih Box Browns)
  • $3 - NovelKeys
• Self Printing
  • ~20g PLA
    • $15.99 ($0.32) - Amazon
  • 3D Printer (Not factored into total)
  • Electricity
    • Extremely cheap, literally don't worry about it
• Outside printing
  • $13 - As quoted for PLA by Craftcloud (you can probably find it cheaper somewhere else)
• Soldering
  • Solder (Not factored into total as you should already have this)
    • $8.89 - Amazon
  • Soldering Iron (Not factored into total as you should already have this)
    • $14.99 - Amazon
  • Flux (Cleaning soldering iron & to dip mechanical switch contacts - not factored as you should already have this)
    • $1.99 - Amazon
• Any at least thin-ish wires (Not factored, you can probably find some)
  • $5.79 - Amazon
• Micro USB Cable (Literally any will work)
  • $2.99 - Amazon (kinda sketchy brand but you can always refund)

(Cheapest) Total: $10.37