HardLabs

MainBoard2025

papurika37·KUBTSS_Board25·MainBoard2025/MainBoard2025.kicad_pcb

MainBoard2025 PCB layout, top view — open source RP2040/RP2350 board by papurika37

About the MainBoard2025 PCB

MainBoard2025 is an open source RP2040/RP2350 PCB design by papurika37, published on GitHub. It is a 2-layer board measuring 58.3 × 74.8 mm, with 39 components from 26 distinct parts.

Its main chip is the Pico, from the RP2040/RP2350 family. Other key parts include the MCP25625-x-SS, R-78E5.0-0.5, BME280, RX8900_mod and TWE-L-WX. By type, the board carries 10 resistors, 7 ICs, 7 diodes, 5 connectors, 5 capacitors and 2 switches.

From the project

KUBTSS Avionics 25th designed by pprk

Main components on the MainBoard2025

PicoMCP25625-x-SSR-78E5.0-0.5BME280RX8900_modTWE-L-WX

MainBoard2025 bill of materials (BOM)

39 components, 26 distinct parts.

QtyPartRefs
1
Pico
U1
1
MCP25625-x-SS
U2
1
R-78E5.0-0.5
U3
1
BME280
U4
1
~
U5
1
RX8900_mod
U7
1
TWE-L-WX
U8
1
Q_PMOS_GDS
Q1
1
16MHz
Y1
2
RJ25
J1, J2
1
GPS_DFROBOT_TEL-0157
J3
1
BATT_CON
J4
1
PRG_TWE
J5
1
CR2032
BT1
1
POWER
SW1
1
SW_Push
SW2
3
RB160M
D1, D3, D7
1
SK54
D2
1
SCK
D4
1
ERR
D5
Show 6 more
QtyPartRefs
1
BATT
D6
5
0.1u
C1, C2, C3, C4, C5
1
120
R1
3
10k
R2, R5, R6
5
1k
R3, R7, R8, R9, R10
1
20k
R4

MainBoard2025 design files

The KiCad project lives in the papurika37/KUBTSS_Board25 repository on GitHub; these links point at the commit this page was built from.

MainBoard2025: common questions

What microcontroller does the MainBoard2025 use?

The MainBoard2025 is built around the Pico, from the RP2040/RP2350 family.

How big is the MainBoard2025 PCB?

The MainBoard2025 measures 58.3 × 74.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the MainBoard2025?

39 components, from 26 distinct parts. The full bill of materials is listed on this page.

Where can I download the MainBoard2025 design files?

From the papurika37/KUBTSS_Board25 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the MainBoard2025 design in my own project?

The repository has no license, so all rights stay with papurika37. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the MainBoard2025 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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