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I will design full electronics system pcb schematic hardware, embedded firmware
Professional Electronics Engineer, PCB Design, Arduino And ESP32 IoT Solutions
I am Johann, a professional Electronics Engineer specializing in PCB design, schematic development, hardware engineering, and embedded systems. I design and develop reliable electronic solutions for A...
About this Gig
Hello,
Do you have an electronics idea but need a complete solution from concept to a working product?
I provide professional electronics engineering services, covering schematic design, PCB design, hardware development, embedded firmware, and prototyping for Arduino, ESP32, and IoT-based systems.
Whether you're building a smart device, embedded product, automation system, or custom electronic hardware, I will help transform your concept into a reliable, manufacturing-ready solution.
️What I Offer
- Schematic design and circuit development
- PCB design and PCB layout optimization
- Hardware design and component selection
- Arduino and ESP32 firmware development
- IoT device and embedded system development
- Circuit debugging and performance optimization
- Gerber files and BOM (Bill of Materials)
- Manufacturing-ready documentation
Benefits
- Reliable and scalable electronics solutions
- Optimized PCB performance and layout
- Clean, maintainable firmware code
- Fast communication and professional support
- Production-ready deliverables
Tools
KiCad, Altium Designer, EasyEDA, Proteus, Arduino IDE, ESP-IDF
Message me before ordering to discuss your requirements and receive the best solution from me.

