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Ich erstelle IoT-Prototyp, Schaltpläne, PCB-Design, Review, BLE, Firmware, JLCPCB in China
Embedded Systems Engineer, PCB-Design-Experte, Prototyp, Firmware-Entwicklung
Ich bin Elektroingenieur, Embedded-Entwickler und PCB-Designer, spezialisiert auf drahtlose Elektronik, Mikrocontroller-Systeme und intelligente Embedded-Lösungen.
Mit über 7 Jahren Erfahrung habe ich...
Level 1
Hat bestimmte Leistungskriterien erfüllt und zeigt großes Potenzial auf dem Marktplatz.
Schnelle Antwortzeit
Zeichnet sich durch besonders schnelle Antwortzeit aus.
Was andere an diesem Freelancer lieben
danielpons289
Argentinien
Excellent engineering work. Detailed, well-documented and backed by real calculations. Took the review comments seriously, reworked the analysis properly and...
oleg_lucasevici
Moldawien
Shenglin is a highly professional engineer. When assigning him a project, there is no need to provide lengthy explanations. A single well-organized summary...
jb3078
Großbritannien
Great work on thoroughly reviewing the feasibility of the hardware sketch and PCB design, and on successfully delivering the final report. Your dedication and...
davidmatteso410
Vereinigte Staaten
It was a pleasure working with this freelancer. They were responsive, professional, and paid close attention to the project requirements. The quality of work...
Über diesen Service
Ich spezialisiere mich auf IoT- und Wearable-Produktentwicklung von der Idee bis zur Produktion.
Meine Erfahrung umfasst das Design von eingebetteter Hardware, Firmware-Entwicklung, drahtlose Konnektivität, Prototypen-Implementierung, Validierungstests und Unterstützung bei der Fertigung.
Abgeschlossene Projekte umfassen:
- BLE- und Wi-Fi-Wearables
- nRF52/nRF53- und ESP32-basierte IoT-Produkte
- STM32- und EFR32-Eingebettete Systeme
- Niedrigstrom-Batteriegeräte
- Intelligente Sensoren und Datenerfassungssysteme
- LTE-, GNSS-, BLE-, Wi-Fi- und Sub-GHz-Wireless-Produkte
- Gesundheitsüberwachung und Wearable-Tracking-Geräte
- Individuelle Embedded-Linux- und RTOS-basierte Systeme
- Prototypenentwicklung und produktionsfertige Hardware
Technische Expertise umfasst:
- Firmware-Entwicklung mit C/C++
- FreeRTOS, Zephyr, ESP-IDF, STM32CubeIDE, nRF Connect SDK und Simplicity Studio
- PCB-Design mit Altium Designer, KiCad und EasyEDA
- Hardware-Implementierung, Debugging, Validierung und Optimierung
- Kommunikationsschnittstellen einschließlich BLE, UART, SPI, I2C, CAN, USB und TCP/IP
- Niedrigstrom-Optimierung und Zuverlässigkeitsengineering
Ich konzentriere mich darauf, zuverlässige, herstellbare und produktionsreife IoT-Lösungen mit klarer Kommunikation und effizientem Entwicklungsworkflow vom Konzept bis zum Endprodukt zu entwickeln.
Mein Portfolio
Meine weiteren Dienstleistungen im Bereich Elektrotechnik
Bewertungen
7 Bewertungen für diesen Service
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| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Zusammensetzung der Bewertung
- Kommunikation
- Qualität der Lieferung
- Preis-Leistungs-Verhältnis der Lieferung
Sortieren nach:
Am relevantesten
D 
danielpons289
Argentinien
Excellent engineering work. Detailed, well-documented and backed by real calculations. Took the review comments seriously, reworked the analysis properly and even corrected one of my own assumptions with datasheet evidence. Clear communication throughout. Highly recommended.
600 $-800 $
Preis
2 Wochen
Dauer
D 
Antwort des Freelancers
Hilfreich?O 
oleg_lucasevici
Moldawien
Shenglin is a highly professional engineer. When assigning him a project, there is no need to provide lengthy explanations. A single well-organized summary document is usually enough. He has the ability to understand the client’s expectations from limited information and turn them into the desired final...
50 $-100 $
Preis
1 Tag
Dauer
D Antwort des Freelancers
Hilfreich?J 
jb3078
Großbritannien
Great work on thoroughly reviewing the feasibility of the hardware sketch and PCB design, and on successfully delivering the final report. Your dedication and technical insight made this project a real success. Thank you very much for your effort. Best Regards.
50 $
Preis
1 Tag
Dauer
D Antwort des Freelancers
Hilfreich?D 
davidmatteso410
Vereinigte Staaten
Laufende ZusammenarbeitIt was a pleasure working with this freelancer. They were responsive, professional, and paid close attention to the project requirements. The quality of work was outstanding, revisions were handled quickly, and everything was delivered before the deadline. I would definitely work with them again.
50 $-100 $
Preis
1 Tag
Dauer
D Antwort des Freelancers
Hilfreich?D davidmatteso410
Vereinigte Staaten
Laufende ZusammenarbeitExcellent experience working with this developer. Communication was professional and responsive throughout the project. The firmware and IoT implementation were delivered with good code structure and stable functionality. BLE communication, sensor integration, and overall system behavior worked as expected....
200 $-400 $
Preis
2 Tagen
Dauer
D Antwort des Freelancers
Hilfreich?
Bewertungen
7 Bewertungen für diesen Service
| (6) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Zusammensetzung der Bewertung
- Kommunikation
- Qualität der Lieferung
- Preis-Leistungs-Verhältnis der Lieferung
Sortieren nach:
Am relevantesten
D danielpons289
Argentinien
Excellent engineering work. Detailed, well-documented and backed by real calculations. Took the review comments seriously, reworked the analysis properly and even corrected one of my own assumptions with datasheet evidence. Clear communication throughout. Highly recommended.
600 $-800 $
Preis
2 Wochen
Dauer
D Antwort des Freelancers
Hilfreich?O oleg_lucasevici
Moldawien
Shenglin is a highly professional engineer. When assigning him a project, there is no need to provide lengthy explanations. A single well-organized summary document is usually enough. He has the ability to understand the client’s expectations from limited information and turn them into the desired final...
50 $-100 $
Preis
1 Tag
Dauer
D Antwort des Freelancers
Hilfreich?J jb3078
Großbritannien
Great work on thoroughly reviewing the feasibility of the hardware sketch and PCB design, and on successfully delivering the final report. Your dedication and technical insight made this project a real success. Thank you very much for your effort. Best Regards.
50 $
Preis
1 Tag
Dauer
D Antwort des Freelancers
Hilfreich?D davidmatteso410
Vereinigte Staaten
Laufende ZusammenarbeitIt was a pleasure working with this freelancer. They were responsive, professional, and paid close attention to the project requirements. The quality of work was outstanding, revisions were handled quickly, and everything was delivered before the deadline. I would definitely work with them again.
50 $-100 $
Preis
1 Tag
Dauer
D Antwort des Freelancers
Hilfreich?D davidmatteso410
Vereinigte Staaten
Laufende ZusammenarbeitExcellent experience working with this developer. Communication was professional and responsive throughout the project. The firmware and IoT implementation were delivered with good code structure and stable functionality. BLE communication, sensor integration, and overall system behavior worked as expected....
200 $-400 $
Preis
2 Tagen
Dauer
D Antwort des Freelancers
Hilfreich?
