Best Oscilloscopes for Electronics Hobbyists Under $100 (2026)
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Ultimate Buying Guide 2026
📟 Best Oscilloscopes Under $100
10 budget scopes reviewed — from $25 DIY kits to 50 MHz handheld 3-in-1 units — with real specs, honest verdicts, and direct Amazon links for hobbyists on a budget.
✅ 10 Scopes Reviewed✅ All Under $100✅ Updated June 2026✅ Honest Pros & Cons
An oscilloscope is the single most transformative tool you can add to a hobbyist bench. A multimeter shows you voltage at one instant — a scope shows you what’s happening over time. Noise, glitches, ringing, PWM duty cycle, serial timing, and a hundred other problems that are completely invisible to a meter become obvious the moment you put a probe on them.
The good news in 2026: you no longer need to spend $350+ on a Rigol to get started. A wave of pocket-sized handhelds, 3-in-1 combo units, and USB scopes now deliver genuinely usable performance for under $100. The question is which one to buy. We’ve ranked the 10 best budget oscilloscopes for hobbyists — covering every price point from a $25 solder-it-yourself kit to a 50 MHz handheld that doubles as a multimeter and signal generator.
💡 Reality check before you buy: Every scope under $100 makes real compromises — usually in bandwidth, memory depth, or channel count. A $35 pocket scope is perfect for Arduino, audio, power-supply, and automotive work, but it won’t decode fast SPI or show you the true shape of an 8 MHz signal. Match the bandwidth to your actual signals (aim for 5× your highest frequency) and you’ll be delighted. Expect a $350 Rigol experience and you’ll be disappointed.
The FNIRSI 2C53T is the most capable instrument you can buy near the $100 mark. It packs an oscilloscope, multimeter, and signal generator into one handheld unit. The scope side gives you 2 channels, 50 MHz bandwidth, and a 250 MS/s sampling rate built on an FPGA + ARM + ADC architecture — figures unheard of at this price two years ago.
Add a 4.5-digit 19,999-count true-RMS multimeter and a 13-waveform signal generator, and you have a near-complete bench in your pocket. Math operations, cursor measurement, persistence mode, and XY mode round it out.
✅ Pros
True 50 MHz, 250 MS/s — class-leading
Scope + DMM + generator in one
±400 V high-voltage protection
Waveform screenshot save/export
Cursor, math, XY, persistence modes
❌ Cons
Only 1 Kpts record depth
Sits right at the $100 ceiling
Small screen vs benchtop scopes
🎯 Verdict: The best all-rounder under $100. If you want one tool that covers 90% of hobbyist tasks, this is it — three instruments for the price of one.
The HANMATEK HO52 is a polished 50 MHz dual-channel handheld with an integrated 4½-digit multimeter. The 3.5″ TFT, USB-C charging, and 10,000 wfms/s refresh rate make it feel a step above the typical budget scope, and the 8K record length is generous for the price.
Two independent channels mean you can finally compare input vs output — invisible to single-channel pocket scopes. Cursor measurement, 7 auto-measurements, XY mode, and one-key auto-set are all included.
✅ Pros
True 2-channel 50 MHz
8K record length — generous
Built-in 4½-digit multimeter
USB-C rechargeable, 3.5″ TFT
Auto-calibration function
❌ Cons
No built-in signal generator
Menus take time to learn
Probes are basic quality
🎯 Verdict: The best true dual-channel handheld under $100. If you need to compare two signals at once, this is the pick over single-channel rivals.
The Hantek 6022BE takes a different approach: it has no screen — it pipes 2 channels of 20 MHz signal straight into your laptop over USB, using your big monitor as the display. At around $60 it’s the cheapest way to get a real two-channel scope with FFT, math, and unlimited screen real estate. The trade-off is you’re tethered to a PC.
✅ Pros: Cheapest 2CH scope, uses your big PC screen, FFT & math, OpenHantek/Sigrok support, rugged aluminum case.
❌ Cons: No standalone screen (needs a PC), basic stock software, 20 MHz/48 MS/s is modest for fast signals.
🎯 Verdict: Best value PC-based scope. If you already work at a computer and want a giant display, this is the cheapest honest 2-channel option.
The FNIRSI DSO-510 upgrades the pocket-scope formula with a real 10 MHz bandwidth, 48 MS/s sampling, and a built-in DDS signal generator. The “infinite afterglow” persistence display helps you catch intermittent glitches, and at ~$60 it bridges the gap between cheap pocket scopes and the 50 MHz handhelds.
✅ Pros: Real 10 MHz/48 MS/s, built-in signal generator, persistence display, ±400 V input, rechargeable.
❌ Cons: Single channel only, 2.8″ screen is small, generator output is basic.
🎯 Verdict: Best single-channel 2-in-1. The added signal generator makes it genuinely useful for testing filters, amps, and audio circuits.
The FNIRSI DSO-TC3 is less a pure scope and more a Swiss-army bench tool. Alongside a 500 kHz oscilloscope it bundles a transistor/component tester (NPN/PNP, MOSFETs, diodes, caps, resistors, ESR), a signal generator, continuity tester, and even temperature/humidity and IR decoding. At ~$45 it replaces three or four separate gadgets.
✅ Pros: Component tester is genuinely excellent, scope + generator + IR decode, auto pin detection, great value.
❌ Cons: 500 kHz scope is very limited, single channel, jack-of-all-trades not a dedicated scope.
🎯 Verdict: Best multi-tool for tinkerers. Buy it for the superb component tester; treat the scope as a handy bonus for slow signals.
The FNIRSI DSO153 is the enhanced sibling of the famous DSO152 pocket scope, adding a 14-waveform DDS signal generator and bumping bandwidth to 1 MHz at 5 MS/s. For under $50 you get a battery-powered, one-key-AUTO scope that can also generate sine, square, sawtooth, and noise waveforms for testing.
✅ Pros: Scope + generator under $50, 14 output waveforms, one-key AUTO, rechargeable, ±400 V input.
❌ Cons: 1 MHz bandwidth is low, single channel, 5 MS/s limits fast-edge accuracy.
🎯 Verdict: Best sub-$50 scope-plus-generator. Ideal for audio, sensors, and slow logic where the generator earns its keep.
The FNIRSI DSO152 is the internet’s favorite first oscilloscope — a fully-assembled pocket scope at around $35. With 200 kHz bandwidth and 2.5 MS/s it’s strictly a slow-signal tool, but it nails Arduino PWM, power-supply ripple, audio, and basic automotive sensors. One-key AUTO, a 4-hour battery, and ±400 V capability make it a brilliant learning scope and field backup.
The Hantek 2D42 bundles a 2-channel 40 MHz oscilloscope, a multimeter, and an arbitrary waveform generator into one rugged handheld with a replaceable lithium battery — ideal for the workbench and under-the-hood automotive diagnostics. At around $99 it sits right at the top of the budget bracket but earns it with true dual-channel and a real AWG.
This pre-assembled (welded) DSO138 gives you the classic single-channel DSO138 learning scope with the circuit board components already soldered — so it works out of the box, no soldering required (the acrylic case may still need assembling). With 200 kHz bandwidth, a 2.4″ color TFT, and clear waveform display, it’s a great teaching tool that shows real captures of slow signals while you learn how a scope’s timebase, trigger, and voltage controls actually work.
✅ Pros: Board pre-soldered (no soldering), classic DSO138 platform, clear TFT waveform, excellent for teaching scope basics.
❌ Cons: 200 kHz/1 MS/s is very limited, single channel, needs a 9V DC supply (not always included).
🎯 Verdict: Best pre-built learning scope. Get the DSO138 experience and clear waveforms without touching a soldering iron.
The original DSO138 DIY kit from JYE Tech is a rite of passage for electronics hobbyists. You solder it together yourself — mostly through-hole parts around an STM32 ARM processor — and end up with a working 200 kHz single-channel scope. At ~$25 the real value isn’t the specs; it’s everything you learn about soldering, debugging, and how a scope works internally.
Get the FNIRSI 2C53T. 50 MHz, 250 MS/s, plus a multimeter and signal generator — three instruments at the $100 mark.
🔀
Need Two Channels?
Choose the HANMATEK HO52 or Hantek 2D42. Comparing input vs output is impossible on single-channel pocket scopes.
💻
Already Work at a PC?
Hantek 6022BE uses your big monitor as the display. Cheapest honest 2-channel scope if you don’t mind the USB tether.
🚗
Automotive / Field Work?
Hantek 2D42 — rugged, replaceable battery, scope + meter + generator. Built for the toolbox.
🎓
First-Ever Scope?
Start with the FNIRSI DSO152 (~$35). Risk-free way to learn timebase, trigger, and probing on real signals.
🔨
Love to Build?
The DSO138 DIY kit (~$25) teaches soldering and debugging. The build is the real reward.
⚡ Key Specs Compared — Side by Side
Spec
2C53T
HO52
6022BE
DSO-510
DSO152
DSO138
Bandwidth
50 MHz ⭐
50 MHz
20 MHz
10 MHz
200 kHz
200 kHz
Sample Rate
250 MS/s ⭐
250 MS/s
48 MS/s
48 MS/s
2.5 MS/s
1 MS/s
Channels
2
2 ⭐
2
1
1
1
Multimeter
✅
✅
❌
❌
❌
❌
Signal Gen
✅
❌
❌
✅
❌
❌
Price
~$100
~$90
~$60
~$60
~$35
~$25 ⭐
❓ Frequently Asked Questions
What bandwidth do I actually need as a hobbyist?
The rule of thumb is to buy at least 5× the highest frequency you plan to measure. For Arduino, audio, power supplies, and most sensor work, a 200 kHz – 10 MHz scope is fine. If you work with fast SPI, USB, or RF, you’ll want 50 MHz or more — which is exactly why the FNIRSI 2C53T and HANMATEK HO52 top this list.
Is a cheap oscilloscope good enough to learn on?
Absolutely. The controls — timebase, trigger, voltage/division, probing — are identical to those on a $1,000 scope. A $35 FNIRSI DSO152 teaches you 90% of what you need before you ever touch an expensive instrument. The skills transfer completely.
Should I get a handheld scope or a USB/PC-based one?
Handhelds (FNIRSI, HANMATEK) are self-contained, battery-powered, and great for field and automotive work. USB scopes like the Hantek 6022BE are cheaper and give you a huge display, but they tie you to a laptop. If you mostly work at a desk and want screen real estate, go USB; if you move around, go handheld.
Do I need a 2-channel oscilloscope?
Two channels let you compare two signals at once — for example, the input and output of an amplifier, or a clock against its data line. It’s a big step up in capability. If your budget allows, the HANMATEK HO52 or FNIRSI 2C53T (both 2-channel) are worth it over single-channel pocket scopes.
Can these scopes measure mains voltage safely?
Most of these handhelds quote ±400 V input with a 10× probe, which covers measuring low-frequency AC such as power-supply rails and transformer outputs. However, budget scopes are not isolated and lack the safety ratings of a Fluke — never probe live mains directly without proper isolation and CAT-rated equipment. When in doubt, don’t.
🏁 Final Verdict — Our Top Picks
🎯 Best Pick for Every Budget
🥇 Best Overall
FNIRSI 2C53T — 50 MHz, 250 MS/s, scope + meter + generator in one
A scope under $100 won’t match a $350 Rigol on memory depth, bandwidth, or protocol decoding — but for learning electronics, debugging Arduino and ESP32 projects, repairing gear, and automotive diagnostics, any pick on this list will completely change how you work. Pair it with our embedded and electronics tutorials to put it to work right away.
💬 Not sure which budget scope fits your projects? Drop your use case in the comments below — we read and reply to every question.
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