Quantity   Component name
1 × AVR AtMega32U4 microcontroller
1 × 16mhz crystal
2 × 22pf capacitor Crystal load caps.
1 × 1uF capacitor UCAP (for AVR USB)
1 × 10uF capacitor USB connector decoupling.
1 × 10k ohm resistor AVR reset pull-up.
2 × 5.1k ohm resistor USB connector CC1 /CC2 pull-down.
2 × 22 ohm resistor. USB connector A7//B7 to D- and A6/B6to D+.
1 × 7.5k resistor Transistor base current limmiter.
4 × 50 ohm resistor LED current limmiter.
1 × PNP transistor. For LED current control (via PWM).
4 × 3mm LED Keycap backlight.
4 × Mechanical Key Switch (Cherry MX footprint with LED). USB-C receptacle.
1 × 6-PIN AVR ISP header. For programming microcontroller.
1 × PCB Custom - KiCAD files on gitlab.
1 × Tact-Switch For controlling LED brightness.