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RP2040-MicroProbe

red-scorp·RP2040-MicroProbe

RP2040-MicroProbe PCB layout, top view — open source RP2040/RP2350 board by red-scorp
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About the RP2040-MicroProbe PCB

RP2040-MicroProbe is an open source RP2040/RP2350 PCB design by red-scorp, published on GitHub. It is a 4-layer board measuring 39.4 × 17.8 mm, with 47 components from 23 distinct parts.

Its main chip is the C2040, from the RP2040/RP2350 family. Other key parts include the W25Q128JVS, C2652100, C2456297 and C37970. By type, the board carries 18 capacitors, 8 resistors, 6 ICs, 6 diodes, 4 connectors and 2 jumpers.

It belongs with the usb & debug tools designs in this gallery.

From the project

RP2040-based minimalistic debug probe board

The RP2040-MicroProbe project aims to create smaller version of RP2040-DebugProbe.

The RP2040-MicroProbe board is a 4-layer design intended to accommodate the popular Raspberry Pi RP2040 MCU with all required component to function identically to Raspberry Pi Debug Probe.

This board features target JTAG connector and PC host micro-USB connector. It also has a SWD connector and UART connector for the main MCU debugging. The board is pin-compatible with Raspberry Pi Debug Probe and can be used with the same picoprobe SW.

RP2040-MicroProbe, from the project README
From the project README

Main components on the RP2040-MicroProbe

W25Q128JVSC2040C2652100C2456297C37970

RP2040-MicroProbe bill of materials (BOM)

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

QtyPartRefs
1
W25Q128JVS
U1
1
C2040
RP2040
U2
2
C2652100
74AUP1T17
U3, U6
1
C2456297
W25Q128JVEIQ
U4
1
C37970
MIC5205-3.3YM5
U5
1
C9002
12MHz
Y1
1
CONN_MCU_DEBUG
J1
1
CONN_DBG_COMB
J2
1
C2763165
USB_B_Micro
J5
1
C598540
CONN_DBG_JTAG
J7
1
SJ_JTAG_3V3
JP1
1
SJ_RESET
JP2
1
C913786
BOOTSEL
S1
2
C72043
GREEN
D1, D6
2
C2286
RED
D2, D5
2
C72038
YELLOW
D4, D7
1
C1015
100@100MHz
FB2
3
C1604
2.2uF
C1, C5, C16
11
C1525
100nF
C2, C4, C6, C8, C9, C10, C11, C12 +3
2
C15850
10uF
C14, C15
Show 3 more
QtyPartRefs
2
C1547
12pF
C19, C20
7
C11702
1k
R1, R2, R3, R4, R5, R6, R7
1
C25744
10k
R8

RP2040-MicroProbe design files

The KiCad project lives in the red-scorp/RP2040-MicroProbe repository on GitHub; these links point at the commit this page was built from.

RP2040-MicroProbe: common questions

What microcontroller does the RP2040-MicroProbe use?

The RP2040-MicroProbe is built around the C2040, from the RP2040/RP2350 family.

How big is the RP2040-MicroProbe PCB?

The RP2040-MicroProbe measures 39.4 × 17.8 mm, has 4 copper layers and is 1.6062 mm thick.

How many components are on the RP2040-MicroProbe?

47 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 RP2040-MicroProbe design files?

From the red-scorp/RP2040-MicroProbe 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 RP2040-MicroProbe design in my own project?

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

Can I test firmware for the RP2040-MicroProbe 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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