I’m Lennart, an electronics and embedded systems developer focused on building, fixing, and preparing hardware for real-world use. I can design custom PCBs, review and troubleshoot existing boards, create schematics, Gerber files and BOMs, and develop firmware for Arduino, ESP32, STM32 and Raspberry Pi projects. Whether you need a PCB corrected before manufacturing, a circuit converted into a production-ready board, or embedded code developed for your device, I provide practical, detail-focused solutions with clear communication and reliable deliverables.
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