SE254 logic analyzers
4 channels, 250 MHz logic analyzer built for students, makers, and educators
The SE254 series logic analyzers are designed with students, makers, and educators in mind. With 4 digital channels and a 250 MHz (4 ns) timing resolution, the SE254 makes it easy to capture and explore serial protocols and digital logic — perfect for hands-on learning and electronics experimentation. Whether you're decoding signals like SPI, I²C, UART, or building your DIY digital systems, the SE254 paired with ScanaStudio software provides an intuitive and powerful window into the world of embedded systems. Discover all supported protocols and start exploring digital signals like a pro.
- Capture & decode
- Use in the Classroom
- Compact & sturdy
Explore digital signals with 4-channel, 250 MHz capture and powerful protocol decoding. SE254 helps you visualize SPI, I²C, UART, and many more protocols using ScanaStudio.
Test drive with ScanaStudio
Designed with educators and students in mind, the SE254 is perfect for hands-on labs, remote learning, or quick demos. Easy to set up, easy to use — a great tool to teach embedded systems, digital electronics, and protocols.
Lightweight, USB-powered, and built to travel. SE254 fits in any toolbox or backpack — no bulky equipment, no external power needed. Just plug in and start analyzing.
The SE254 is built entirely from FR4 material, giving it a sleek and ultra-compact form factor. It’s not just small, it’s tough too! With excellent durability that stands up to drops, knocks, and everyday classroom or lab use.
Get your SE254 Logic Analyzer
Everything you need to start capturing and decoding signals in one compact, affordable tool.
SE254 (standard)
- 4 logic channels
- Support 1.2V up to 5.0V logic.
- 250 MHz (4 ns timing resolution) sampling rate with 4 channels used
- 256 Mb internal buffer memory
Applications
- Teaching digital electronics — Use SE254 in classrooms or university labs to demonstrate how digital protocols work in real time.
- Student lab work and assignments — Ideal for capturing and analyzing signals in microcontroller-based school projects.
- Maker and DIY prototyping — Troubleshoot and fine-tune Arduino, Raspberry Pi, or custom hardware builds.
- Introductory protocol exploration — Learn how I²C, SPI, UART, and other protocols behave at the signal level.
- STEM workshops and bootcamps — Portable and easy to set up, SE254 is perfect for temporary learning environments and tech events.
- Technical hobby projects — Whether reverse-engineering a toy or decoding signals from a sensor, SE254 brings visibility to your logic-level experiments.
Benefits
- Built for learners and educators — No unnecessary complexity, just the core features you need to explore and understand digital signals.
- Truly portable — Lightweight, USB-powered design means you can take it from the classroom to the lab bench — or anywhere your project goes.
- Straightforward setup — No drivers needed on any OS. Just download ScanaStudio and start analyzing in minutes.
- Budget-friendly — Professional-grade protocol decoding at a price that fits student and education budgets.
- Designed for everyday use — Durable FR4 construction means it can handle drops, bumps, and packed toolboxes.
- All-in-one package — Includes probes and everything you need to get started right away — no extra purchases required.
- Powered by ScanaStudio — The same intuitive software used with our most advanced models, with support for dozens of common protocols.
Frequently Asked Question
What’s included in the box?
The SE254 comes with everything you need to get started: the logic analyzer unit, high-quality hook-style test probes, and a USB cable. Just plug it into your computer and launch ScanaStudio — no extra accessories required.
What is the difference between SE254 and SQ200?
The SQ200 and SE254 are both 4-channel logic analyzers, but the SE254 is a newer design, built with modern components and a strong focus on simplicity, portability, and affordability. While the SQ200 offered additional features like signal generation, it was more complex and expensive to produce. The SE254 is lighter, more compact, and offers the best balance between functionality and usability — making it the recommended choice for most new users.
Can I use the SE254 on a low-powered laptop or older computer?
Yes! The SE254 runs smoothly even on modest laptops. Since it performs data acquisition independently of your computer, you don’t need powerful hardware or high-speed USB to capture signals reliably.
Does the SE254 support triggering on specific conditions?
Yes, the SE254 supports simple trigger conditions like rising or falling edges and specific logic states. While it doesn’t have advanced multi-stage triggering like some high-end models, it’s more than enough for most educational and hobbyist applications.
Is there any risk of damaging the SE254 by connecting it wrong?
The SE254 is protected against common connection mistakes. It can handle up to ± 25 V on all inputs.However, like any sensitive electronic tool, it’s best to avoid applying voltages outside its supported input range or connecting it directly to high-voltage circuits.