HardLabs

Bottom

PorridgePi·soccer-pcbs·nationals/bottom/bottom.kicad_pcb

Bottom PCB layout, top view — open source RP2040/RP2350 board by PorridgePi

About the Bottom PCB

Bottom is an open source RP2040/RP2350 PCB design by PorridgePi, published on GitHub. It is a 2-layer board measuring 148 × 168 mm, with 59 components from 23 distinct parts.

Its main chip is the STM32F411CEU6 BlackPill Pico, from the RP2040/RP2350 family. By type, the board carries 12 connectors, 10 transformers, 9 diodes, 9 capacitors, 9 resistors and 6 jumpers.

Main components on the Bottom

STM32F411CEU6 BlackPill Pico

Bottom bill of materials (BOM)

59 components, 23 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
STM32F411CEU6 BlackPill Pico
U1
5
JST_XH_01x02
J1, J9, J10, J11, J12
1
JST_XH_01x04
J2
1
Conn_01x03_Pin
J3
1
Conn_01x04_Pin
J4
1
Conn_01x05_Pin
J5
1
Conn_01x10_Pin
J6
2
Conn_01x01_Pin
J7, J8
3
SolderJumper_2_Open
JP1, JP2, JP5
3
SolderJumper_2_Bridged
JP3, JP4, JP6
8
TEMT6000
T1, T2, T3, T4, T5, T6, T7, T8
1
TEMT6000
T9
1
TEMT6000
T10
1
MINI560 3.3V
V1
1
CN3903
V2
1
MINI560 5V
V3
8
LED
D1, D2, D3, D4, D5, D6, D7, D8
1
IR_LED
D9
8
100nF
C1, C2, C4, C5, C6, C7, C8, C9
1
locked
C3
Show 3 more
QtyPartRefs
1
TEMT6000
R
R1
7
R
R2, R3, R5, R6, R7, R8, R9
1
10K
R
R4

Bottom design files

The KiCad project lives in the PorridgePi/soccer-pcbs repository on GitHub; these links point at the commit this page was built from.

Bottom: common questions

What microcontroller does the Bottom use?

The Bottom is built around the STM32F411CEU6 BlackPill Pico, from the RP2040/RP2350 family.

How big is the Bottom PCB?

The Bottom measures 148 × 168 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Bottom?

59 components, from 23 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Bottom design files?

From the PorridgePi/soccer-pcbs repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Bottom design in my own project?

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

Can I test firmware for the Bottom 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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