Diva main
whowechina·diva_pico·PCB/pico/diva_main.kicad_pcb
About the Diva main PCB
Diva main is an open source PCB design by whowechina, published on GitHub under the CC-BY-NC-4.0 license. It is a 2-layer board measuring 273 × 97 mm, with 60 components from 12 distinct parts.
Other key parts include the Pico_Trim and MPR121QR2_BOARD. By type, the board carries 16 relays, 16 diodes, 8 capacitors, 7 switches, 3 ICs and 1 connector.
From the project
Project Diva like Pico Controller
Features: Two sizes, Diva Pico and Diva Pico+. It's small, but the buttons are still decent. Support Nintendo Switch, Steam PC and Arcade version. HID light for Arcade version. * All source files open.
Thanks to many respectful guys/companies who made their tools or materials free or open source (KiCad, OnShape, InkScape, Raspberry things).
Special thanks to community developers that inspired me and helped me: CrazyRedMachine (https://github.com/CrazyRedMachine).

Main components on the Diva main
Diva main bill of materials (BOM)
60 components, 12 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Pico_Trim | RPi_Pico_SMD_No_USB | U1 |
| 2 | MPR121QR2_BOARD | MPR121_BOARD | U2, U3 |
| 1 | Conn_01x04 | PN532 | J1 |
| 9 | WS2812B_Unified | WS2812B-2835 | BL1, BL2, BL3, BL4, BL5, BL6, BL7, BL8 +1 |
| 14 | Conn_01x01_Female | DivaKey | K1, K2, K3, K4, K5, K6, K7, K10 +6 |
| 1 | Conn_01x01_Female | DivaKeyBiasLeft | K8 |
| 1 | Conn_01x01_Female | DivaKeyBiasRight | K9 |
| 2 | SWITCH_SPST | SKSTAAE010 | SW1, SW2 |
| 4 | SWITCH_SPST | SW_Kailh_Choc_V1V2_1.00u_LED | SW3, SW4, SW5, SW6 |
| 1 | SWITCH_SPST | B3F4000 | SW7 |
| 16 | WS2812B_Unified | WS2812B-4020 | D1, D2, D3, D4, D5, D6, D7, D8 +8 |
| 8 | 0.1uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C2, C3, C4, C5, C6, C7, C8 |
Diva main design files
The KiCad project lives in the whowechina/diva_pico repository on GitHub; these links point at the commit this page was built from.
- LayoutPCB/pico/diva_main.kicad_pcb
- SchematicPCB/pico/diva_main.kicad_sch
Diva main: common questions
How big is the Diva main PCB?
The Diva main measures 273 × 97 mm, has 2 copper layers and is 1.2 mm thick.
How many components are on the Diva main?
60 components, from 12 distinct parts. The full bill of materials is listed on this page.
Where can I download the Diva main design files?
From the whowechina/diva_pico repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Diva main design in my own project?
It is published under CC-BY-NC-4.0, which limits how it may be reused; read the license before building on it.