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Best Oscilloscopes for Arduino / Microcontrollers

Top-rated oscilloscopes for debugging digital signals, pwm, serial. Compared by specification, rated by real-world performance.

Top Pick

Rigol

DHO924S

9.0/ 5
Bandwidth

250 MHz

Sample Rate

1.25 GSa/s

Channels

4ch

Memory

50 Mpts

Overall Score180
Value Rating45
$449benchtop
Top Pick

Rigol

DS1054Z

8.5/ 5
Bandwidth

50 MHz

Sample Rate

1 GSa/s

Channels

4ch

Memory

12 Mpts

Overall Score170
Value Rating57
$349benchtop
Top Pick

Siglent

SDS804X HD

8.0/ 5
Bandwidth

70 MHz

Sample Rate

2 GSa/s

Channels

4ch

Memory

50 Mpts

Overall Score160
Value Rating46
$438benchtop
Top Pick

Rigol

DHO914S

8.0/ 5
Bandwidth

125 MHz

Sample Rate

1.25 GSa/s

Channels

4ch

Memory

50 Mpts

Overall Score160
Value Rating36
$549benchtop
Top Pick

Siglent

SDS1202X-E

7.5/ 5
Bandwidth

200 MHz

Sample Rate

1 GSa/s

Channels

2ch

Memory

14 Mpts

Overall Score150
Value Rating53
$379benchtop
Top Pick

Siglent

SDS1104X-U

7.5/ 5
Bandwidth

100 MHz

Sample Rate

1 GSa/s

Channels

4ch

Memory

14 Mpts

Overall Score150
Value Rating48
$419benchtop
Top Pick

Digilent

Analog Discovery 3

7.5/ 5
Bandwidth

50 MHz

Sample Rate

0.125 GSa/s

Channels

2ch

Memory

32 Kpts

Overall Score150
Value Rating53
$379usb
Top Pick

Rigol

DHO814

7.5/ 5
Bandwidth

100 MHz

Sample Rate

1.25 GSa/s

Channels

4ch

Memory

25 Mpts

Overall Score150
Value Rating36
$549benchtop
Top Pick

Rigol

DHO802

7.5/ 5
Bandwidth

70 MHz

Sample Rate

1.25 GSa/s

Channels

2ch

Memory

25 Mpts

Overall Score150
Value Rating61
$329benchtop
Top Pick

Siglent

SDS814X HD

7.5/ 5
Bandwidth

100 MHz

Sample Rate

2 GSa/s

Channels

4ch

Memory

50 Mpts

Overall Score150
Value Rating34
$587benchtop
Top Pick

OWON

HDS2202S

7.0/ 5
Bandwidth

200 MHz

Sample Rate

1 GSa/s

Channels

2ch

Memory

8 Mpts

Overall Score140
Value Rating46
$439handheld
Top Pick

Rigol

DS1104Z-S Plus

7.0/ 5
Bandwidth

100 MHz

Sample Rate

1 GSa/s

Channels

4ch

Memory

12 Mpts

Overall Score140
Value Rating36
$549benchtop
Top Pick

Rigol

DHO804

7.0/ 5
Bandwidth

70 MHz

Sample Rate

1.25 GSa/s

Channels

4ch

Memory

25 Mpts

Overall Score140
Value Rating46
$439benchtop
Top Pick

Pico Technology

PicoScope 2204A

6.5/ 5
Bandwidth

10 MHz

Sample Rate

0.1 GSa/s

Channels

2ch

Memory

8 Kpts

Overall Score130
Value Rating100
$185usb
Top Pick

Hantek

DSO5072P

6.0/ 5
Bandwidth

70 MHz

Sample Rate

1 GSa/s

Channels

2ch

Memory

40 Kpts

Overall Score120
Value Rating100
$180benchtop
Top Pick

FNIRSI

DPOX180H

5.0/ 5
Bandwidth

180 MHz

Sample Rate

0.5 GSa/s

Channels

2ch

Memory

28 Kpts

Overall Score100
Value Rating100
$110handheld

Can't decide?

Compare these scopes side-by-side on specs, price, and features.

Compare These Scopes Side-by-Side

What to Look For

Match bandwidth to your signals

Choose bandwidth that's 3-5x higher than your highest signal frequency for accurate measurements.

Channel count matters

More channels let you compare multiple signals simultaneously — essential for debugging complex circuits.

Consider software ecosystem

The scope software is what you'll use daily. Choose a brand with good documentation, regular updates, and an active user community.

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