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A case study on automated testing of LED blink interfaces as part of software/hardware testing, conducted during a student internship project.

During career fairs and student meetings, we’re often asked about the kinds of projects our interns work on. This question is important because it relates to developing technical competence and engaging interns in hands-on work that will prepare them for further professions.

In the article below, you’ll find a case study prepared by our intern, Piotr Korman. The project involved creating a hardware interface using a phototransistor to convert light intensity into voltage and communicating this data to a PC via the RS232 interface. The software solution decoded various blink patterns to determine the device’s status with high accuracy.

Automated testing of LED blink interfaces as part of software/hardware testing

Introduction of the problem

When thinking of Software Testing, we usually think about applications (be it for Web, Mobile, or Desktop). However, when working in the embedded branch of software development, there is also something called a device test, where the developed software is tested running on real hardware. This test phase requires testing of (among other aspects) all the accessible interfaces, including the most unusual – “non-software” ones.

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Today we reached another significant milestone, our 20th anniversary. Over two decades filled with many successes and challenges, but most importantly, with a teamwork spirit that has driven us forward.

“Behind every success story is a team.”

We want to extend our gratitude to everyone who has been involved and contributed to our success. Our team, for dedication and support in achieving goals, and our business partners, for placing confidence in us and successful collaboration.

Looking back, we are very proud of this accomplishment and grateful for the opportunity to work with many amazing people who have crossed our path and helped build this company.

Here’s to many more successful years ahead!

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Any plans for 2025?

Mark your calendars and join us at the Embedded World in Nuremberg. Once again, we’ll be there with the entire international embedded community. Save the date 11-13.03.2025 and meet us to network and discover more about our new offerings.

Stay tuned for further updates and plan your visit to the event.

The summer is in full swing, bringing a well-deserved rest, but we’re not slowing down.

We’ve just kicked off our summer internship program, which will run through the end of September. This year, we’ll welcome students from West Pomeranian University of Technology in Szczecin, Maritime University of Szczecin, and Warsaw University of Technology.

For all the students joining us this year, get ready for a new experience where you’ll:

• gain hands-on experience in embedded systems
• benefit from an individually assigned mentor, supporting you all the way
• find the right career path and explore your passions
• contribute to interesting projects
• work in a friendly environment and learn the basics of business operations such as company culture, team collaboration, and process workflow.

This is the next edition of summer internships, where our team members share their expertise in different areas focused on software development, testing, and quality assurance.

We wish all our interns an enjoyable and valuable experience.

Reflecting on a dynamic April, it’s evident that it was a busy time for us.

EmbeddedWorld24 marked another edition we participated in. Again, the most important trade show in the embedded industry allowed us to catch up with our business partners, expand our network, and talk with visitors curious about what we do.
Thanks to everyone who stopped by our stand. We look forward to new possibilities.

💡But that’s not all!

April also brought the annual career fairs. Our team appeared at the West Pomeranian University of Technology in Szczecin and the University of Technology Koszalin, to make new connections with the academic community and chat about our internship program and career opportunities.
We appreciate the overwhelming attendance and interest in what we have to offer.

We want to extend our gratitude to the organizers of these events for their professional approach and, as always, warm reception.

➡ Stay tuned for more events and development plans.

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