CYBR-X -- A Custom, 16 Key Macropad

CYBR-X is a custom macropad that has:

• 16 Hotswappable, MX Style Keys
• Per-key SK6812 RGB Baclight
• Based off of the Seeed Studio XIAO RP2040
• 2 Rotary Encoders
• 0.91" OLED Display
• Customizable Firmware
• A custom 3D-Printed Case
• And more!

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Images

PCB

Schematic

Full Assembly

The switches go into the plate, the plate and bottom sandwich the PCB then, and thats how assembly is done.

Bill Of Materials

Here's the BOM for my macropad:

Name	Quantity
Seeed Studio XIAO RP2040	1
MCP23017 I2C I/O Expander	1
BSS138 MOSFET	1
1N4148 Diode (Through-hole)	16
MX-Style Switch	16
Kailh MX-Style Hotswap Socket	16
Blank DSA Keycap (White)	16
EC11 With Switch	2
SK6812 MINI-E RGB LED	16
0.1uF 0805 Ceramic Capacitor	16
10kΩ 0805 Resistor	4
0.91" OLED I2C Display	1
M3x16mm Screw	-
M3x5mx4mm Heatset Insert	-
3D Printed Case (2 Parts)	1
Main PCB	MOQ: 5

For the screws and inserts, as many as there are in kit is fine but minimum is 4.