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Femto v1

mfolejewski·FEMTO·source_files/Kicad/Module/Femto_v1.kicad_pcb

Femto v1 PCB layout, top view — open source RP2040/RP2350 board by mfolejewski
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About the Femto v1 PCB

Femto v1 is an open source RP2040/RP2350 PCB design by mfolejewski, published on GitHub under the Custom license license. It is a 4-layer board measuring 12 × 12 mm, with 26 components from 12 distinct parts.

Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the W25Q16JVUXIQ and LGA40 Module (Reversed!). By type, the board carries 15 capacitors, 6 resistors, 2 ICs, 1 module, 1 crystal and 1 LED.

From the project

FEMTO - RP2040 12x12mm PCB module

Main components on the Femto v1

RP2040W25Q16JVUXIQLGA40 Module (Reversed!)

Femto v1 bill of materials (BOM)

26 components, 12 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
RP2040
U1
1
W25Q16JVUXIQ
W25Q16JV
U2
1
LGA40 Module (Reversed!)
MOD1
1
ECS-120-12-36-AGN-TR3
12.000MHz
X1
1
Red
LED26
9
CL05B104KA5NNNC
100nF
C3, C7, C8, C9, C10, C11, C12, C13 +1
4
CL05A225MQ5NNNC
2.2uF
C4, C15, C16, C17
2
C0402C150J5GACTU
15pF
C5, C6
2
RC0402FR-0710KL
10k
R3, R4
2
RC0402FR-071KL
1k
R5, R6
1
RC0402FR-07100RL
100R
R7
1
RC0402FR-072KP
2k
R33

Femto v1 design files

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

Femto v1: common questions

What microcontroller does the Femto v1 use?

The Femto v1 is built around the RP2040, from the RP2040/RP2350 family.

How big is the Femto v1 PCB?

The Femto v1 measures 12 × 12 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Femto v1?

26 components, from 12 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 Femto v1 design files?

From the mfolejewski/FEMTO 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 Femto v1 design in my own project?

It is published under Custom license, which limits how it may be reused; read the license before building on it.

Can I test firmware for the Femto v1 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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