Everything we've shipped in the last 2 years.

A platform connecting dancers, instructors and dance schools across Poland: a training marketplace, search and community. Available for acquisition.

An IoT platform for round-the-clock apiary monitoring: in-hive sensors, cloud data and alerts in the beekeeper's pocket.

An AI education platform that builds a personalized study plan and generates tasks matched to the student and exam date.

KalkMate is more than just hardware; it's a robust web ecosystem. We built a dedicated SaaS platform featuring a high-converting landing page, an intuitive student dashboard with synchronized task histories, and an advanced admin panel for managing orders and subscriptions.

The complete R&D journey of the KalkMate smart calculator. The heart of the newest revision (v1.0.0, PCB v4) is a powerful dual-core ESP32-S3 chip running custom FreeRTOS-based firmware. The project strongly emphasizes cybersecurity and performance, introducing proprietary mechanisms like Signed OTA (ECDSA digital signatures), cryptographic key obfuscation, and safe Dual Boot architecture.

Ultrasonic distance meter on an ATtiny1616, measuring 10–50 cm with ~2.4 mm RMSE. A hybrid method: coarse time-of-flight from the 40 kHz echo envelope, refined by carrier phase (Goertzel filter), with NTC temperature compensation. Firmware in pure register-level AVR-GCC (no Arduino), ~0.9 mW sleep power. Bill of materials: €10.

The online store of the authorized iWALK distributor in Poland: power banks, chargers and accessories for Apple and Android devices.

A corporate website for a steel pipe and structures manufacturer serving PL, DE and UK markets — one brand, three language domains.

A wellness studio website in Białystok: roll massage, VacuStepper, solarium — with service presentation and online appointment booking.