# Keyboard Numpad PCB ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** leonqu17 - **Created:** 2/19/2024 - **Last Updated:** 1/22/2026 - **Visibility:** Public ## Key Components ### J2 — [USB type B](https://www.flux.ai/vasyl/usb-type-b~e1w.md) - Part Type: USB B **Pins:** - D- [pin 2] - D+ [pin 3] - GND [pin 5] - ID [pin 4] - SHIELD [pin SH1] - SHIELD__1 [pin SH2] - SHIELD__2 [pin SH3] - SHIELD__3 [pin SH4] - VBUS [pin 1] ### SW1 — [SW Cherry MX 1.50u](https://www.flux.ai/adrian95/sw-cherry-mx-150u~rs2.md) - Part Type: Switch **Pins:** - 1 - 2 ### SW10 — [SW Cherry MX 1.50u](https://www.flux.ai/adrian95/sw-cherry-mx-150u~rs2.md) - Part Type: Switch **Pins:** - 1 - 2 ### SW11 — [SW Cherry MX 1.50u](https://www.flux.ai/adrian95/sw-cherry-mx-150u~rs2.md) - Part Type: Switch **Pins:** - 1 - 2 ### SW12 — [SW Cherry MX 1.50u](https://www.flux.ai/adrian95/sw-cherry-mx-150u~rs2.md) - Part Type: Switch **Pins:** - 1 - 2 ### SW13 — [SW Cherry MX 1.50u](https://www.flux.ai/adrian95/sw-cherry-mx-150u~rs2.md) - Part Type: Switch **Pins:** - 1 - 2 ### SW14 — [SW Cherry MX 1.50u](https://www.flux.ai/adrian95/sw-cherry-mx-150u~rs2.md) - Part Type: Switch **Pins:** - 1 - 2 ### SW15 — [SW Cherry MX 1.50u](https://www.flux.ai/adrian95/sw-cherry-mx-150u~rs2.md) - Part Type: Switch **Pins:** - 1 - 2 ### SW16 — [SW Cherry MX 1.50u](https://www.flux.ai/adrian95/sw-cherry-mx-150u~rs2.md) - Part Type: Switch **Pins:** - 1 - 2 ### SW17 — [SW Cherry MX 1.50u](https://www.flux.ai/adrian95/sw-cherry-mx-150u~rs2.md) - Part Type: Switch **Pins:** - 1 - 2 ### SW18 — [SW Cherry MX 1.50u](https://www.flux.ai/adrian95/sw-cherry-mx-150u~rs2.md) - Part Type: Switch **Pins:** - 1 - 2 ### SW19 — [Push Button](https://www.flux.ai/jharwinbarrozo/push-button~eqk.md) - Manufacturer Part Number: B3FS-1050P - Manufacturer Name: OMRON - Part Type: Switch - Datasheet URL: https://datasheet.lcsc.com/lcsc/1809271215_Omron-Electronics-B3FS-1050P_C231326.pdf **Pins:** - P1 [pin 1] - P2 [pin 3] ### SW2 — [SW Cherry MX 1.50u](https://www.flux.ai/adrian95/sw-cherry-mx-150u~rs2.md) - Part Type: Switch **Pins:** - 1 - 2 ### SW3 — [SW Cherry MX 1.50u](https://www.flux.ai/adrian95/sw-cherry-mx-150u~rs2.md) - Part Type: Switch **Pins:** - 1 - 2 ### SW4 — [SW Cherry MX 1.50u](https://www.flux.ai/adrian95/sw-cherry-mx-150u~rs2.md) - Part Type: Switch **Pins:** - 1 - 2 ### SW5 — [SW Cherry MX 1.50u](https://www.flux.ai/adrian95/sw-cherry-mx-150u~rs2.md) - Part Type: Switch **Pins:** - 1 - 2 ### SW6 — [SW Cherry MX 1.50u](https://www.flux.ai/adrian95/sw-cherry-mx-150u~rs2.md) - Part Type: Switch **Pins:** - 1 - 2 ### SW7 — [SW Cherry MX 1.50u](https://www.flux.ai/adrian95/sw-cherry-mx-150u~rs2.md) - Part Type: Switch **Pins:** - 1 - 2 ### SW8 — [SW Cherry MX 1.50u](https://www.flux.ai/adrian95/sw-cherry-mx-150u~rs2.md) - Part Type: Switch **Pins:** - 1 - 2 ### SW9 — [SW Cherry MX 1.50u](https://www.flux.ai/adrian95/sw-cherry-mx-150u~rs2.md) - Part Type: Switch **Pins:** - 1 - 2 ### U1 — [ATMEGA32U4-AU](https://www.flux.ai/adrian95/atmega32u4-au~a2h.md) - Datasheet URL: http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-7766-8-bit-AVR-ATmega16U4-32U4_Summary.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: ATMEGA32U4-AU - Part Type: Microcontroller - Manufacturer Name: Microchip **Pins:** - ~HWB~/PE2 [pin 33] - ~RESET [pin 13] - AREF [pin 42] - AVCC [pin 24] - AVCC [pin 44] - D- [pin 3] - D+ [pin 4] - GND [pin 15] - GND [pin 23] - GND [pin 35] - GND [pin 43] - PB0 [pin 8] - PB1 [pin 9] - PB2 [pin 10] - PB3 [pin 11] - PB4 [pin 28] - PB5 [pin 29] - PB6 [pin 30] - PB7 [pin 12] - PC6 [pin 31] - PC7 [pin 32] - PD0 [pin 18] - PD1 [pin 19] - PD2 [pin 20] - PD3 [pin 21] - PD4 [pin 25] - PD5 [pin 22] - PD6 [pin 26] - PD7 [pin 27] - PE6 [pin 1] - PF0 [pin 41] - PF1 [pin 40] - PF4 [pin 39] - PF5 [pin 38] - PF6 [pin 37] - PF7 [pin 36] - UCAP [pin 6] - UGND [pin 5] - UVCC [pin 2] - VBUS [pin 7] - VCC [pin 14] - VCC [pin 34] - XTAL1 [pin 17] - XTAL2 [pin 16] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/leonqu17/keyboard-numpad-pcb~sd](https://www.flux.ai/leonqu17/keyboard-numpad-pcb~sd).* --- *Generated from [https://www.flux.ai/leonqu17/keyboard-numpad-pcb~sd](https://www.flux.ai/leonqu17/keyboard-numpad-pcb~sd)*