

Chocopi
- Size
- 248.9 × 93 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 90
- Nets
- 75
- Pads
- 505
- Tracks, vias
- 511, 64
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 19 Apr 2025
- Updated
- 5 Jun 2025
Overview
Chocopi is an open-source printed circuit board by prepor, from the prepor/rkbrd repository on GitHub. It is a 2-layer board of 248.9 × 93 mm with 90 parts on 75 nets, routed with 511 tracks and 64 vias.
Its parts include 34 diodes, 2 ICs and 2 switches. It belongs with the nRF52 and nRF5x boards of this library.
Parts
90| Qty | Value | Footprint | References |
|---|---|---|---|
| 34 | ~ | chocopi:Cherry_ULP_SMD | r_sw1, r_sw2, r_sw3, r_sw4, r_sw5, r_sw6, r_sw7, r_sw8, r_sw10, r_sw11, r_sw12, r_sw13, r_sw14, r_sw15, r_sw16, r_sw17 +18 |
| 34 | ~ | chocopi:Diode_SOD123 | D1, D2, D3, D4, D5, D6, D7, D8, D10, D11, D12, D13, D14, D15, D16, D17 +18 |
| 4 | , , , | ||
| 2 | + | chocopi:BatteryPad | BAT+1, BAT+2 |
| 2 | - | chocopi:BatteryPad | BATGND1, BATGND2 |
| 2 | EVQ-P7A01P | chocopi:SW_EVQ-P7A01P | S1, S2 |
| 2 | SW_SPDT | chocopi:MSK12C02 | PSW1, PSW2 |
| 2 | XIAO-nRF52840-SMD | chocopi:xiao-ble-smd-cutout | U1, U2 |
The 82 most common of 90 parts.
Similar boards
- 2 layers75 × 75 mm

- 2 layers236.5 × 96.2 mm

Forager pcb
carrefinho/forager
34-key wireless split keyboard inspired by ZSA Voyager
90 parts426CERN-OHL-P-2.0 - 2 layers62 × 87 mm

Proto ads bee detector board
PantsForBirds/adsbee
Open Source Embedded ADS-B Receiver
90 parts344GPL-3.0 - 2 layers268 × 62 mm

- 2 layers97.5 × 59.5 mm

- 2 layers115.6 × 106.7 mm

ErgoSNM v3 left
siderakb/ergo-snm-keyboard
ErgoSNM is a split ergonomic keyboard integrated with trackball, wireless is in beta
90 parts172CERN-OHL-P-2.0 - 2 layers163 × 120 mm

Zynthian mini
zynthian/zynthian-hw
Zynthian hardware stuff: PCBs, schemes, parts specifications, pin assignment, ...
90 parts156 - 2 layers219 × 96.1 mm

Questions
How big is the Chocopi PCB?
It measures 248.9 × 93 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Chocopi use?
90 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 Chocopi KiCad files?
From the prepor/rkbrd repository on GitHub, at the commit this page was made from: the board is 1/pcb/chocopi.kicad_pcb and its schematic 1/pcb/chocopi.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Chocopi design in my own project?
Its repository states no licence, so its author keeps all rights: ask prepor before reusing the design.