HardLabs

ECE342 USB Oscilliscope

elliotnash·OSU-ECE342-Oscilloscope·hardware/RP2350_60QFN_minimal.kicad_pcb

ECE342 USB Oscilliscope PCB layout, top view — open source RP2040/RP2350 board by elliotnash

About the ECE342 USB Oscilliscope PCB

ECE342 USB Oscilliscope is an open source RP2040/RP2350 PCB design by elliotnash, published on GitHub. It is a 4-layer board measuring 100 × 43.5 mm, with 141 components from 50 distinct parts.

Its main chip is the RP2350_60QFN, from the RP2040/RP2350 family. Other key parts include the REF35330QDBVR, W25Q128JVS, LM27762, NCP1117-3.3_SOT223 and MCP47FEB02A0T-E/ST. By type, the board carries 45 resistors, 44 capacitors, 18 test points, 17 ICs, 7 diodes and 5 connectors.

It belongs with the test & measurement designs in this gallery.

From the project

Fully Rust-based USB Oscilloscope

A Dual Channel USB Oscilloscope designed for OSU ECE342 Junior Design 2

- hardware/ - Contains KiCad schematic and PCB design files for a RP2350 based oscilloscope board.

- firmware/ - Rust firmware that runs on the oscilloscope board. Built using the Embassy async framework for embedded systems, targeting the RP2350 microcontroller. Handles ADC sampling / USB communication.

ECE342 USB Oscilliscope, from the project README
From the project README

Main components on the ECE342 USB Oscilliscope

RP2350_60QFNREF35330QDBVRW25Q128JVSLM27762NCP1117-3.3_SOT223MCP47FEB02A0T-E/STOpamp_DualTLP3441TP_FADG621BRMZ

ECE342 USB Oscilliscope bill of materials (BOM)

141 components, 50 distinct parts.

QtyPartRefs
1
RP2350_60QFN
U1
1
REF35330QDBVR
U2
1
W25Q128JVS
U3
1
LM27762
U4
1
NCP1117-3.3_SOT223
U5
1
MCP47FEB02A0T-E/ST
U6
1
Opamp_Dual
U7
2
TLP3441TP_F
U8, U13
6
~
U9, U11, U12, U14, U16, U17
2
ADG621BRMZ
U10, U15
1
ABM8-272-T3
Y1
1
UJ20-C-H-G-SMT-2A-P16-TR
J1
2
73101-0570
J2, J3
1
PinHeader_1x03
J4
1
4677
J5
2
SW_Push
SW1, SW2
18
TestPoint
TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 +10
4
D
D1, D2, D3, D4
1
WS2812B
D5
2
2.7V
D6, D7
Show 30 more
QtyPartRefs
1
FerriteBead
FB1
1
3.3u
L1
2
10u
C1, C21
24
100n
C2, C8, C11, C12, C13, C14, C15, C16 +16
2
15p
C3, C4
3
4.7u
C5, C9, C10
2
4.7u
C6, C7
1
10u
C19
3
1u
C22, C27, C37
3
2.2u
C23, C24, C25
2
10n
C29, C38
2
30p
C35, C43
2
5.1k
R1, R9
7
1k
R2, R4, R6, R17, R22, R26, R31
7
100k
R3, R34, R35, R40, R41, R42, R43
1
33
R5
2
27
R7, R8
1
18.7k
R10
2
50k
R11, R13
1
17.8k
R12
2
200
R14, R23
2
1M
R15, R24
2
320
R16, R25
2
0
R18, R20
2
51
R19, R28
2
4.7k
R21, R27
2
10k
R29, R44
2
1M
R30, R45
2
470
R32, R33
4
200k
R36, R37, R38, R39

ECE342 USB Oscilliscope design files

The KiCad project lives in the elliotnash/OSU-ECE342-Oscilloscope repository on GitHub; these links point at the commit this page was built from.

ECE342 USB Oscilliscope: common questions

What microcontroller does the ECE342 USB Oscilliscope use?

The ECE342 USB Oscilliscope is built around the RP2350_60QFN, from the RP2040/RP2350 family.

How big is the ECE342 USB Oscilliscope PCB?

The ECE342 USB Oscilliscope measures 100 × 43.5 mm, has 4 copper layers and is 1.5842 mm thick.

How many components are on the ECE342 USB Oscilliscope?

141 components, from 50 distinct parts. The full bill of materials is listed on this page.

Where can I download the ECE342 USB Oscilliscope design files?

From the elliotnash/OSU-ECE342-Oscilloscope repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the ECE342 USB Oscilliscope design in my own project?

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

Can I test firmware for the ECE342 USB Oscilliscope 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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