2 layers65 × 30 mm
Rgb to hdmi
hoglet67/RGBtoHDMI
Bare-metal Raspberry Pi project that provides pixel-perfect sampling of Retro Computer RGB/YUV video and conversion to HDMI
33 parts1kGPL-3.0
2 layers188.5 × 65.5 mm
BigPad
CDX-1/BigPad- Size
- 188.5 × 65.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 33
- Nets
- 48
- Pads
- 198
- Tracks, vias
- 171, 22
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 20 May 2026
- Updated
- 23 May 2026
Overview
BigPad is an open-source printed circuit board by CDX-1, from the CDX-1/BigPad repository on GitHub. It is a 2-layer board of 188.5 × 65.5 mm with 33 parts on 48 nets, routed with 171 tracks and 22 vias.
Its parts include 14 diodes and 14 switches. It belongs with the RP2040 boards of this library.
Parts
33| Qty | Value | Footprint | References |
|---|---|---|---|
| 14 | ~ | Diode_SMD:D_SOD-123 | D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14 |
| 12 | ~ | PCM_Switch_Keyboard_Hotswap_Kailh:SW_Hotswap_Kailh_MX_Plated_1.00u | S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12 |
| 2 | RotaryEncoder_Switch | Rotary_Encoder:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm_MountingHoles | SW1, SW2 |
| 1 | RaspberryPi_Pico | Module:RaspberryPi_Pico_Common_THT | A1 |
The 29 most common of 33 parts.
Questions
How big is the BigPad PCB?
It measures 188.5 × 65.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the BigPad use?
33 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the BigPad KiCad files?
From the CDX-1/BigPad repository on GitHub, at the commit this page was made from: the board is PCB/BigPad.kicad_pcb and its schematic PCB/BigPad.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the BigPad design in my own project?
Its repository states no licence, so its author keeps all rights: ask CDX-1 before reusing the design.
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