Keypad

A simple keypad with 5 buttons that pulgs into a computer via usb

#Parts

• Xiao rp2040
• 5 cherry mx keyswitches
• 3d printed case

Schematic:

PCB Schematic

Cad Model

BOM

all prices in USD.

• 1 xiao rp2040 ($10)
• 5 ketchron K pro switch mint ($0.15ish per)
• 3d printed case (varies depending on source)