Ingénieur électronique embarqué / routage PCB

@mairajali11

With over 8 years of experience in PCB design, I am well-versed in Eagle and other software that will help me complete your task efficiently. I have an extensive knowledge of circuit design and proficiency in electrical engineering that makes me confident in my abilities to implement the required interface Ethernet effectively. By including previous experience working on STM32 and my expertise in designing high-quality PCBs with complex requirements, I believe I am the ideal candidate for this project. My verified ranking as one of the top 1% freelancers attests not only to the quality of work, but to my commitment to delivering on time and within budget. Additionally, my availability at all times helps facilitate effective communication throughout this project. I understand the importance of sharing material for future projects, even while collaborating remotely. So, despite being based outside of département 06 , rest assured that distance will not impede our success. Thank you for considering my candidacy; I look forward to discussing your project further.

@hayteekeys

KINDLY READ THROUGH MY PROPOSAL THIS IS WHAT I WILL DO - Mettre à jour votre schéma Eagle existant pour intégrer l'interface Ethernet (basée sur votre design de référence) et concevoir l'interface PoE (actif/passif) avec sélection d'ICs adaptés (ex. : TPS23753 pour PoE actif IEEE 802.3at, et pont redresseur + DC/DC pour passif). - Router le PCB 4 couches modifié : traces différentielles Ethernet avec matching d'impédance (100 Ω), isolation galvanique via magnetics, et intégration PoE sans perturbation des circuits STM32 existants. - Assurer robustesse : gestion EMI (ground planes, vias stitching), thermal relief pour PoE, et DRC/ERC clean. RELEVANT PROJECTS - 2025 : Mise à jour PCB STM32 + Ethernet/PoE pour système embarqué industriel – Eagle Pro, intégration KSZ8081 PHY + PD controller, testé en production. - 2024 : Conception PoE actif/passif sur 4 couches pour IoT device – défis d'impédance résolus, zéro EMI issues. QUESTIONS - Pouvez-vous partager les schémas/PCB actuels et le design Ethernet de référence ? - Spécifs Ethernet (10/100 Mbps, PHY exact) et PoE (max power budget) ? - Dimensions PCB cibles et contraintes mécaniques ? Je confirme avoir une licence Eagle Professional (v9.6+). Principaux défis Ethernet : matching longueur/impédance des paires différentielles pour éviter crosstalk (surtout sur 4 couches), isolation galvanique pour compliance EMI/CE, et intégration sans interférer avec STM32 clocks (routing séparé).

@Adeel2k14

Hello, I’m an Electrical Engineer with 7+ years of experience in embedded systems and PCB design. Currently working as an Embedded System Design Engineer in a reputed firm. I have designed up to 8-layer PCBs, including mixed-signal, high-speed digital, analog, and power converter boards. I have access to Eagle Standard and can update your STM32 schematic and 4-layer PCB with Ethernet and PoE integration. Key challenges will be controlled impedance routing, PHY–MAC layout, EMI/EMC control, and reliable PoE power design (active & passive). I can deliver clean, production-ready results. Best regards.

@hayat38402

Hi, how are you doing? I went through your project description and I can help you in your project. your project requirements perfectly match my expertise. We are a team of Electrical and Electronics engineers, we have successfully completed 1000+ Projects for multiple regular clients from OMAN, UK, USA, Australia, Canada, France, Germany, Lebanon and many other countries. We are providing our services in following areas:  Embedded C Programming.  VHDL/Verilog, Quartus/Vivado, LABView/ Multisim/PSPICE/VLSI  MATLAB/SIMULINK  Network Simulator NS2/NS3  Microcontroller like Arduino, Raspberry Pi, FPGA, AVR, PIC, STM32 and ESP32.  IDEs like Keil MDK V5, ATmel studio and MPLab XC8.  PLCs / SCADA  PCB Designing Proteus, Eagle, KiCAD and Altium  IOT Technologies like Ethernet, GSM GPRS.  HTTP Restful APIs connection for IOT Communications. Also, we have good command over report writing, I can show you many samples of our previous reports. Kindly consider us for your project and text me so that we can further discuss specifically about your project's main goals and requirements.

@manusharma2992

Hello mate, When i seen the details "Embedded Electronics Engineer / PCB Routing" which you are searching. I am super exited to start it ASAP! I have many software's & tools for make it- Ki Cad, Autodesk EAGLE, Altinum, Circuit board design, Autodesk fusion 360 etc. Make 2d & 3d both I will share update within it in 1-2 Hours. WILL SHOW YOU SOME PAST OF WORKS Best regards, Manu R.

@electronicsdone

Best Embedded Electronics & PCB Routing Expert ⭐⭐⭐⭐⭐ Hi, Thank you for posting your project, “Ingénieur électronique embarqué / routage PCB.” I’ve reviewed your requirements and can help you update and harden your existing STM32-based design, integrating Ethernet connectivity and both active and passive PoE into a clean, production-ready solution. I bring 11+ years of experience in embedded electronics design, schematic capture, and multi-layer PCB routing, with strong hands-on expertise using Eagle (Standard and above). ✅ How I’ll Help You Succeed 1. Update and validate the existing schematic to integrate Ethernet using your provided reference design. 2. Design and implement a robust PoE interface (active and passive), including IC selection, protection, and power conversion. 3. Reroute and optimize the 4-layer PCB to ensure signal integrity, thermal performance, and manufacturability. ✅ Before I start, one quick question: Do you want the PoE implementation to prioritize maximum power budget (PoE+/802.3at) or a more compact, cost-optimized design if full power is not required? If you share that, feel free to message me, and we can align quickly. Best regards, Prat PCB Must Innovations

@joaquinc48

⭐⭐⭐⭐⭐ Je peux vous accompagner dans la mise à jour complète de votre carte STM32 (schéma + PCB 4 couches) sous Eagle, avec intégration propre de l’interface Ethernet et conception complète de l’interface PoE (actif + passif). Ingénieur en électronique embarquée, j’ai une solide expérience en routage multicouche, intégration Ethernet (PHY, magnetics, impédances différentielles) et gestion d’alimentations PoE industrielles. Scope : • Mise à jour du schéma existant sous Eagle • Intégration Ethernet (PHY + RJ45 magjack ou magnetics externes) avec respect des règles d’impédance et isolation • Conception complète de l’interface PoE (sélection IC PD controller, protection, DC/DC isolé si requis) • Optimisation du stack-up 4 couches, plans GND propres et séparation EMI • Routage différentiel contrôlé, respect CEM et contraintes thermiques Principaux défis Ethernet : – Contrôle strict d’impédance 100 Ω différentiel – Gestion du retour de masse et isolement magnétiques – Intégration PoE sans bruit sur les domaines logiques Je confirme disposer d’une licence Eagle Standard. Disponible en télétravail et ouvert à collaboration locale (06).

@patrickag1214

Bonjour, Je vais mettre à jour votre schéma et le routage du PCB pour intégrer l'interface Ethernet et le PoE, en assurant une transition fluide et efficace. Avec plus de 10 ans d'expérience en conception électronique, j'ai réalisé plusieurs projets similaires, notamment des systèmes embarqués utilisant STM32 et des intégrations de PoE, ce qui me permet de garantir une approche solide et fiable. Pour ce projet, je vais d'abord analyser le schéma existant et le routage de votre PCB à 4 couches, en vérifiant les contraintes de signal et d'alimentation. Ensuite, je concevrai l'interface PoE, en sélectionnant les circuits intégrés appropriés pour assurer la compatibilité avec les deux modes de PoE. Concernant l'interface Ethernet, je vois plusieurs défis potentiels, notamment la gestion des interférences et l'intégration de la connectivité tout en respectant les limites d'espace du PCB. Pourriez-vous préciser les spécifications de bande passante requises pour l'interface Ethernet ? Avez-vous des préférences pour les composants PoE spécifiques ? Je suis prêt à commencer dès que vous l'êtes.

@borisdeveloper71

Hi, there. I am very interested in your project focused on updating an embedded STM32 system with Ethernet and PoE capabilities. With over a decade of experience in electronics engineering, including extensive work with embedded systems and complex PCB layouts, I am confident in my ability to deliver robust solutions tailored to your needs. I have a licensed version of Eagle Premium, ensuring full compatibility with your existing design tools and workflows. One of the key challenges for the Ethernet interface will be the careful management of signal integrity, especially on a 4-layer PCB, as well as ensuring proper isolation and EMC compliance given the introduction of both Ethernet and PoE. For the PoE section, selecting components that efficiently support both active and passive modes while maintaining thermal and electrical safety will be crucial. My approach will involve a thorough review of your current schematics and PCB, integration of the reference Ethernet design, and the custom development of the PoE interface with careful attention to power budgeting and layout best practices. I am based in the Alpes-Maritimes area, which aligns well with your preference for local collaboration on future projects. Best regards Boris

@susiek0125

Hi, there, Thank you for sharing the detailed requirements for your embedded electronics project. I understand you are seeking an experienced engineer to update your STM32-based embedded system's schematic and 4-layer PCB in Eagle, specifically to integrate Ethernet and Power over Ethernet (PoE) functionality. ✅ Project Understanding You currently have a working schematic and PCB, and will provide both as well as a reference design for Ethernet. The main tasks are updating the existing designs for Ethernet integration and designing a robust PoE interface (both active and passive) with suitable component selection. Remote collaboration is fine, but you prefer someone local to the 06 department for potential future hardware sharing. ✅ Relevant Experience With extensive experience in STM32-based embedded systems, high-speed signal routing, and multi-layer PCB design in Eagle (I confirm I have access to Eagle Standard), I have successfully delivered similar projects involving Ethernet interfaces and PoE (IEEE 802.3af/at) implementation. My background in circuit design and PCB layout ensures that all design updates will be production-ready and compliant with relevant standards. ✅ Approach & Key Challenges For Ethernet integration, the main challenges will include: - Ensuring signal integrity and correct impedance control for differential pairs - Minimizing EMI and crosstalk on the 4-layer PCB - Proper PHY and magnetics integration, referencing both your schematics and best practices For PoE, I will analyze power requirements, select ICs supporting both active/passive modes, and ensure the layout meets thermal and isolation constraints. All updates will be thoroughly documented for future scalability. ✅ Deliverables - Updated schematic and 4-layer PCB files in Eagle - BOM with recommended components - Design notes and test points for validation I can start immediately and am committed to clear, proactive communication throughout the project. I am looking forward to working with you. Best Regards Susie Kalson

@nemanjac6

As an accomplished electrical engineer, skilled in areas such as circuit design, embedded systems, and PCB layout, I have the perfect blend of expertise to tackle your project. My in-depth experience with STM32-based systems similar to yours has given me a strong understanding of the complexities involved in interfaces and power-over-Ethernet (PoE). I have proficiently implemented these technologies and am confident I can bring that knowledge to ensure the successful integration of Ethernet and PoE into your existing design. In addition to my technical nous, I am also conveniently equipped for the task at hand. Not only do I possess an Eagle Standard license, but I'm also based in France. Being locally situated in Departement 06 means any potential future need for equipment sharing can be easily accommodated while adhering to prevailing restrictions. Working with me will not only assure you of a highly professional and competent approach but also a partner who is well-versed in meeting tight project deadlines. With my comprehensive skill set across both hardware and software domains, you can trust that your project remains well-rounded and no aspect is overlooked.I look forward to converting your current design into a more efficient powerhouse of capabilities.

@einnovention

As an electronics engineer and leader of the Einnovention team, I am well equipped to undertake your project. With extensive experience in PCB design and a strong command on Eagle, I can fulfil your requirements proficiently. Beyond knowledge, my team has a host of other strengths to add value to your project. We're known for our flexibility, innovative approach and ability to deliver high-quality scalable solutions that match our clients' precise needs. To overcome the challenges ahead, we have several strategies which include thorough analysis of the existing design, addressing any bottlenecks involved with adding an Ethernet interface and implementing the PoE effectively. Our collective expertise in designing interfaces as well as selecting and integrating suitable integrated circuits ensures a robust solution even for unique requirements such as yours. Apart from technical abilities, we're also committed towards fostering long-term partnerships through transparent communication, prompt delivery, and unrelenting support post project completion. Therefore, choosing Einnovention would mean choosing technical excellence, constant engagement, and a future-ready solution for your project.

@ElectronicsMust

EMBEDDED PCB LAYOUT ENGINEER EXPERT NEEDED Dear Client, You’re looking to update an existing STM32-based embedded system that already has a schematic and a 4-layer PCB in order to integrate an Ethernet interface and add Power over Ethernet (PoE) support. This aligns well with my background in STM32-based embedded systems, Ethernet hardware integration, PoE (active and passive) design, and multi-layer PCB layout in Eagle for production-ready hardware. Here’s how I would approach your project: ✅ Review and update the existing schematic to integrate the Ethernet interface in line with the reference design. ✅ Design the complete PoE interface (both active and passive), including IC selection, protection, and power management. ✅ Reroute and optimize the 4-layer PCB with careful attention to Ethernet signal integrity, power planes, grounding, and EMI considerations. I have 11+ years of experience in embedded electronics design, schematic capture, multi-layer PCB routing, STM32 platforms, Ethernet, and PoE systems, with a strong focus on robustness and manufacturability. Question: Are you targeting 10/100 Ethernet only, or should the design be future-proofed for Gigabit, and are there any specific environmental or EMI constraints to consider? I'd be happy to review the current design files, identify any risks around Ethernet and PoE integration, and outline a clear update plan before routing begins. Best regards, Avi Gupta

@rogelitoc

Bonjour, Je suis ravi de vous proposer mes services pour ce projet d'ingénierie électronique. Avec plus de 5 ans d'expérience en conception de schémas et routage de PCB, notamment sur Eagle, je suis bien préparé pour mettre à jour votre système embarqué basé sur STM32. J'ai une solide expérience dans l'intégration d'interfaces Ethernet et la conception de circuits PoE, ce qui me permettra d'apporter une approche professionnelle à votre projet. Pour mener à bien ce projet, voici les étapes que je prévois : - Analyser les schémas et le routage PCB existants pour identifier les améliorations nécessaires. - Intégrer l'interface Ethernet en suivant le design de référence tout en respectant les spécifications techniques. - Concevoir l'interface PoE en sélectionnant les circuits intégrés appropriés pour le PoE actif et passif. - Tester et valider les mises à jour pour garantir la fonctionnalité et la fiabilité du système. Je suis impatient de commencer ce projet et je suis confiant de pouvoir livrer des résultats de qualité dans les délais impartis. Je possède une licence Eagle Standard, et je pense que les principaux défis de l'implémentation de l'interface Ethernet seront liés à la gestion des contraintes de routage et à l'intégration harmonieuse des nouvelles fonctionnalités. N’hésitez pas à me contacter pour discuter plus en détail de votre projet et de mes solutions. Je suis disponible pour commencer immédiatement.

@proggon

Hi there, I see you’re looking for an experienced electronic engineer to revamp your existing schematics and PCB layout on Eagle for your STM32-based embedded system. You need someone who not only has a solid grasp of design but can also effectively integrate Ethernet and PoE functionalities. It’s clear you’re aiming for precision and functionality in this project. I specialize in PCB design and have a robust background in updating and optimizing schematics and layouts. My approach will ensure a secure and efficient integration of the Ethernet interface while addressing the challenges of both active and passive PoE. I’m comfortable working remotely and can provide the creativity and technical insight needed to select suitable ICs for your requirements. My proficiency with Eagle allows me to implement your design seamlessly, taking into account potential challenges such as signal integrity and power distribution. Could you share any specific timeline expectations for this project? https://www.freelancer.com/u/proggon Best regards, Wahaj Barlas.