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VColChoc44

jpconstantineau·VColChoc44

VColChoc44 PCB layout, top view — open source RP2040/RP2350 board by jpconstantineau
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About the VColChoc44 PCB

VColChoc44 is an open source RP2040/RP2350 PCB design by jpconstantineau, published on GitHub. It is a 2-layer board measuring 234 × 88 mm, with 121 components from 19 distinct parts.

Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the CherryMX_LTST-A683CEGBW-Rotated, W25Q128JVS and AMS1117-3.3. By type, the board carries 47 ICs, 45 diodes, 16 capacitors, 8 resistors, 2 switches and 1 crystal.

Main components on the VColChoc44

CherryMX_LTST-A683CEGBW-RotatedW25Q128JVSRP2040AMS1117-3.3

VColChoc44 bill of materials (BOM)

121 components, 19 distinct parts.

QtyPartRefs
44
CherryMX_LTST-A683CEGBW-Rotated
U1, U2, U3, U4, U5, U6, U7, U8 +36
1
W25Q128JVS
U45
1
RP2040
U46
1
AMS1117-3.3
U47
1
12MHz
Y1
1
USB_C_Receptacle_USB2.0
J1
1
Speaker
LS1
1
SW_SPDT
SW1
1
SW_SPST
SW2
44
D
D1, D2, D3, D4, D5, D6, D7, D8 +36
1
RED
D45
10
100n
C1, C2, C3, C4, C5, C6, C7, C8 +2
2
1u
C11, C12
2
22p
C13, C16
2
22u
C14, C15
2
5.1k
R1, R2
1
DNP
R3
3
1k
R4, R7, R8
2
22
R5, R6

VColChoc44 design files

The KiCad project lives in the jpconstantineau/VColChoc44 repository on GitHub; these links point at the commit this page was built from.

VColChoc44: common questions

What microcontroller does the VColChoc44 use?

The VColChoc44 is built around the RP2040, from the RP2040/RP2350 family.

How big is the VColChoc44 PCB?

The VColChoc44 measures 234 × 88 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the VColChoc44?

121 components, from 19 distinct parts. The full bill of materials is listed on this page.

Where can I download the VColChoc44 design files?

From the jpconstantineau/VColChoc44 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the VColChoc44 design in my own project?

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

Can I test firmware for the VColChoc44 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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