HardLabs

Crossfire mk1

lightsource-nz·crossfire·pcb/crossfire_mk1.kicad_pcb

Crossfire mk1 PCB layout, top view — open source RP2040/RP2350 board by lightsource-nz

About the Crossfire mk1 PCB

Crossfire mk1 is an open source RP2040/RP2350 PCB design by lightsource-nz, published on GitHub. It is a 2-layer board measuring 59.6 × 57.8 mm, with 73 components from 30 distinct parts.

Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the W25Q16JVUXIQ_TR, AP22953CW12-7, RT6154AGQW and TPD3S014DBVR. By type, the board carries 35 capacitors, 18 resistors, 8 ICs, 8 connectors, 2 inductors and 1 crystal.

It belongs with the audio designs in this gallery.

From the project

MCU application to route MIDI message streams between USB-based MIDI devices

Main components on the Crossfire mk1

W25Q16JVUXIQ_TRRP2040AP22953CW12-7RT6154AGQWTPD3S014DBVR

Crossfire mk1 bill of materials (BOM)

73 components, 30 distinct parts.

QtyPartRefs
1
W25Q16JVUXIQ_TR
U1
1
RP2040
U2
1
AP22953CW12-7
U3
1
RT6154AGQW
U4
4
TPD3S014DBVR
U5, U6, U7, U8
1
ABM8-272-T3
X1
1
USB_C_Receptacle_USB2.0
J1
4
USB_A
J2, J3, J4, J5
1
DEBUG_CONN
J6
1
OLED_CONN
J7
1
OLED_PWR_JMP
J8
1
SW_RESET
SW1
1
2500mA
FB1
1
1u
L1
16
100n
C1, C2, C5, C6, C7, C8, C9, C11 +8
2
2.2u
C3, C4
1
2.2u
C13
2
15p
C15, C19
3
47u
C16, C18, C20
4
150u
C21, C23, C25, C27
Show 10 more
QtyPartRefs
5
10n
C22, C24, C26, C28, C30
1
1u
C29
1
4.7u
C32
1
560k
R1
3
100k
R2, R7, R10
1
1k
R3
2
27R
R4, R6
1
5k
R5
2
5.1k
R8, R9
8
22R
R11, R12, R13, R14, R15, R16, R17, R18

Crossfire mk1 design files

The KiCad project lives in the lightsource-nz/crossfire repository on GitHub; these links point at the commit this page was built from.

Crossfire mk1: common questions

What microcontroller does the Crossfire mk1 use?

The Crossfire mk1 is built around the RP2040, from the RP2040/RP2350 family.

How big is the Crossfire mk1 PCB?

The Crossfire mk1 measures 59.6 × 57.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Crossfire mk1?

73 components, from 30 distinct parts. The full bill of materials is listed on this page.

Where can I download the Crossfire mk1 design files?

From the lightsource-nz/crossfire repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Crossfire mk1 design in my own project?

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

Can I test firmware for the Crossfire mk1 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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