
Closed
Posted
Paid on delivery
I need a compact-footprint PCB that runs on a solid 12 V input and plugs straight into Ethernet so it can sit inside my equipment rack and let the rest of my system know everything is still alive. The board’s sole job is to send a small heartbeat packet at set intervals and, if the link ever drops, push an immediate network-status alert that my database can log. Remote-monitoring bells and whistles are not required right now; reliable data transmission and clear link reporting are the priorities. You can choose the silicon you are most comfortable with—an MCU with an integrated MAC/PHY, an external PHY hanging off an ESP32, or another combination—so long as it boots quickly, keeps the BOM lean, and exposes a straightforward way for me to adjust the heartbeat interval later (UART, SWD, or similar). What I will need from you: • Schematic and compact four-layer (or tighter) PCB layout ready for fast fabrication, including all source files and Gerbers • A concise BOM with current component availability noted • Firmware that boots, acquires a DHCP lease (or falls back to static), and transmits the heartbeat plus a link-up/link-down status message I can parse on my server • Brief bring-up instructions so I can reproduce your test results on my end If you can drop test points for future power and signal probing and pay attention to good 12 V input decoupling, even better. Let’s keep the design tight, reliable, and ready for production once the prototype checks out. I need the ability to be able to program it using c++ to setup all network and web server details
Project ID: 40388596
39 proposals
Remote project
Active 22 secs ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
39 freelancers are bidding on average $309 AUD for this job

Hello, "At Live Experts, we possess a wide range of complementary skills that make us perfectly suited to tackle this project. As seasoned engineers and developers with a focus on transforming ideas into reality, we relish the opportunity to design and deliver high-quality electrical PCBs that fulfill unique specifications. My specific skills in Arduino, Electronics, Microcontrollers, and PCB layout provide me with a firm grasp of the task at hand. I bring extensive experience within embedded systems, which will be crucial for delivering the compact-footprint design you require. Moreover, given our proficiency in C++ programming language--leaning towards setting up network and web server details--we can ensure your firmware will have the necessary functionality to transcend data transmission challenges. Our expertise in signal processing will enable us to optimize your heartbeats' interval appropriately and guarantee clear link reporting, a core priority as stated in your project description. Finally, not only do we focus on robust designs, but also on preparing them for future improvements. This means we will meticulously drop test points that can facilitate potential power and signal probing. In addition, we understand your drive for tight designs primed for production viability once the prototype has been positively reviewed. Together, these factors point to the value our team brings and why we are confident in positioning ourselves as your ideal choice." Thanks!
$750 AUD in 5 days
8.3
8.3

I am an embedded systems engineer with over 16 years of experience. I have worked on similar products and can provide you with a fully finished product and all the design files needed for bulk manufacturing. Please contact me to discuss details
$1,000 AUD in 14 days
7.6
7.6

With my extensive background in PCB design, embedded firmware, and IoT product development, I am the perfect fit for your 12V Ethernet Heartbeat PCB project. Throughout my career, I have worked on a variety of hardware-software integration projects involving compact-footprint PCBs similar to what you require. I take pride in my ability to deliver robust, manufacturable solutions without compromising performance or cost-efficiency. Moreover, my proficiency in low-power embedded systems and wireless communication matches your project's needs perfectly. Whether it's an MCU with an integrated MAC/PHY or an external PHY with ESP32, I have the capability to handle multiple system architectures effectively. I understand that remote network monitoring is not your current priority; thus, my work will focus solely on ensuring reliable data transmission and clear link reporting - just as you've requested.
$225 AUD in 7 days
7.4
7.4

With over 7 years of experience in electronic hardware and firmware engineering, I am confident that I am the perfect match for your 12V Ethernet Heartbeat PCB project. My expertise in circuit design and my understanding of a vast range of microcontrollers make me flexible enough to choose a silicon solution tailored to your specific needs. This includes creating a highly functional firmware that can be programmed using C++ for complete control over your network and server details. When it comes to PCB design, I excel at creating compact yet efficient layouts that prioritize signal integrity and power supply stability. I understand the importance of good decoupling to maintain reliable performance, especially with a solid 12V input, and can incorporate the necessary test points for future probing. Additionally, my proficiency in communication protocols like UART, SPI, and most notably Ethernet, ensures you'll get concise BOMs, along with clear link reporting as you need. Lastly, with my knowledge of efficient LED drivers and RF circuits, I have repeatedly delivered products that are not just robust but ready for production as well after thorough testing. I'm excited about the prospect of contributing to your project and look forward to discussing how we can bring your vision to life with- efficiency and reliability!
$225 AUD in 7 days
6.7
6.7

Hi there, I carefully read your project, and I can help you design a compact, reliable Ethernet heartbeat board with a solid 12 V input, clean PCB layout, and firmware in C++ that lets you configure the network and server details easily. I’m Samuel Tshibangu, a mechatronics engineer with strong experience in PCB design, embedded systems, Ethernet-capable controllers, power conditioning, and production-ready firmware. I’ve already worked with similar components and architectures, including 12 V-powered embedded boards, network communication, compact layouts, and configurable C++ firmware, so I can deliver this efficiently and professionally. I can provide the full schematic, compact 4-layer PCB, BOM, and firmware that handles DHCP/static fallback, heartbeat packets, and link-up/link-down alerts, while keeping the design lean, testable, and ready for prototyping. Feel free to send me a message. Best regards, Samuel Tshibangu
$225 AUD in 1 day
6.4
6.4

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: Antenna Design (CST, HFSS) 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.
$400 AUD in 7 days
6.0
6.0

Hey there! I’m Alok, A PCB, Circuit and Mechanical designer with a passion for turning ideas into rock-solid, high-performance circuit boards. even expert on Python, C, C++ With nearly a decade of experience, I’ve tackled everything from compact consumer gadgets to complex industrial systems—always with a focus on precision, efficiency, and reliability. # Schematic & Layout Design – Clean, optimized, and manufacturable. # Component Selection & Library Management – No surprises, just the right parts for the job. # Reverse Engineering – PCB cloning, replication, and improvements. # Gerber, BOM & CPL Generation – Ready for seamless production. # DFM & DFA Expertise – Because great design means smooth manufacturing. # Multi-Layer, Flex, & High-Density PCB Design – Whatever the project needs. If you need a PCB and Code that’s efficient, reliable, and built for real-world performance, let’s chat. I’d love to help bring your project to life!
$250 AUD in 3 days
5.8
5.8

HI, KINDLY READ THROUGH MY PROPOSAL I will deliver a compact-footprint 4-layer (or tighter) PCB that runs on solid 12 V input, plugs straight into Ethernet, and reliably sends heartbeat packets at set intervals with instant link-drop alerts optimized for minimal size, fast boot, rock-solid signal integrity, EMI reduction, and production-ready reliability inside your equipment rack. MY APPROACH ✅ Phase 1: Capture requirements, select optimal lean-BOM silicon (MCU+MAC/PHY or ESP32+external PHY), develop schematic, and optimize component placement for compactness and manufacturability. ✅ Phase 2: Precision 4-layer routing, power/ground planes with excellent 12 V decoupling, full SI/EMI analysis, DRC/ERC validation, plus C++ firmware that handles DHCP/static fallback, heartbeat, and parseable link-status messages. ✅ Provide interactive 3D review, full source files, and optimization report. DELIVERABLES • Complete schematic + compact 4-layer PCB layout files (Altium/Eagle) with all source files and Gerbers • Concise BOM with current component availability noted • C++ firmware (boot, network setup, heartbeat + link alerts) ready for UART/SWD programming and future web-server details • Brief bring-up instructions so you can reproduce test results QUESTIONS 1. Can you share any constraints, target dimensions, or preferred Ethernet PHY now? 2. Preferred design software (Altium or Eagle)? 3. When would you like the Phase 1 intermediate review?
$300 AUD in 4 days
5.8
5.8

Hello! I'm a highly skilled PCB Designer with over 10 years of expertise in delivering reliable and efficient PCB designs. I specialize in creating precision designs tailored to client's needs, utilizing top-tier design tools such as Altium Designer, Autodesk Eagle, KiCad, EasyEDA, Siemens PADS, DipTrace, Allegro/OrCAD, Fritzing and Proteus. My goal is always to ensure the highest quality and performance in every project. Core Expertise : • Schematic Capture & Layout Design • Component Selection & Library Management • Reverse Engineering (PCB Replication, PCB Cloning) • Gerber, BOM, and CPL File Generation & Manufacturing Support • Design for Manufacturability (DFM) and Design for Assembly (DFA) • PCB Design & Development (Single, Double, Multi-Layer, Flexible PCBs) Industries Served : • Medical Devices • Telecommunications • Consumer Electronics • Industrial Equipment • Automotive Electronics • Safety and Security Devices Why Choose Me? • Attention to Detail and Commitment to Quality • Strong Communication Skills & Client-Centric Focus • Timely Delivery & Flexible Approach to Meet Project Requirements I would love to help you with your next PCB design project. Feel free to reach out, and let’s discuss how I can bring your ideas to life! Best Regards, Utpal
$225 AUD in 7 days
5.4
5.4

Hello, I can design a compact and reliable Ethernet heartbeat board that fits your requirements and is ready for production after the first prototype. I understand the goal is to have a simple but very stable system powered from 12V that continuously reports its alive status and immediately detects and reports any link drop without unnecessary complexity. I will build the design around a proven MCU with Ethernet capability, either STM32 with external PHY or ESP32 with LAN8720, based on best availability and stability. The board will include a solid 12V to 3.3V power stage with proper filtering and protection to ensure clean operation inside an equipment rack environment. The PCB will be a compact 4-layer layout with proper grounding, clean power distribution, and controlled routing for Ethernet signals. I will also include test points and accessible programming interfaces مثل UART او SWD to make bring-up and debugging straightforward.
$225 AUD in 7 days
5.3
5.3

Hello sir, Did go through your job description and glad to share that I have enormous experience in working with 12V Ethernet Heartbeat PCB I'm a seasoned programmer and Engineer with quality experience in Flutter, React, Node.JS, SpringBoot, Frontend and Backend Development, Python, Matlab, R studio, C, C++, C#, OpenCV, OpenGL, Tesseract OCR, google vision, Statistical programming/R progamming data analysis Computing for Data Analysis Time Series & Econometric, Machine learning, AI, Deep learning, Matlab and Mathematica, 3D modeling, CAD/CAM,AutoCAD, 2D, Architectural Engineering, SolidWorks, Unity 3D, PCB, Electronics, Arduino, Automation, Embedded and Firmware , IOT, Electrical/Mechanical Engineering I am a TOP Rated Freelancer, and you can check my reviews here as well: https://www.freelancer.com/u/mzdesmag. Looking forward to potentially working together on this project. Thanks and Best regards, Adekunle.
$100 AUD in 1 day
5.2
5.2

Hi, I’m a senior embedded systems engineer with 8+ years of experience designing Ethernet-enabled hardware and firmware, including 20+ custom PCBs and multiple production devices with >99.9% uptime in industrial environments. I’ve delivered compact 4-layer boards with integrated Ethernet (STM32, ESP32 + PHY) and optimized boot-to-network times under 2 seconds while maintaining a lean BOM and stable DHCP/link handling. Approach: ✅ I will select a proven architecture (e.g., STM32 + LAN8720 or ESP32 + external PHY) and design a compact 4-layer PCB with controlled impedance traces, proper 12V-to-3.3V conversion (buck + LDO), and robust decoupling. ✅ I will implement firmware in C++ with fast boot, DHCP + static fallback, periodic UDP/TCP heartbeat, and immediate link-state interrupt handling using PHY status registers. ✅ I will validate the design with oscilloscope/packet capture testing, include test points for power and RMII signals, and deliver full documentation (Gerbers, BOM, bring-up guide). Questions: ✅ I need to confirm whether you prefer UDP or TCP for heartbeat packets and the expected payload structure for your database parser. ✅ I would like to know your acceptable boot-to-first-packet time and maximum heartbeat interval range. ✅ I need clarification on programming/debug interface preference (UART, SWD, or USB) and whether remote firmware updates will be required later. Best, Yaroslav
$400 AUD in 7 days
4.9
4.9

⭐⭐⭐⭐⭐ I’ve read this carefully—this is a great “do one thing perfectly” design, and I can deliver a compact, production-ready board with reliable Ethernet behavior. I’d base this on a STM32 (MAC) + external PHY for fast boot, deterministic link status, and clean C++ firmware control. The design will include proper 12 V → regulated rails, EMI-conscious layout, and test points for bring-up. Approach: • 12 V input stage (protection + buck to 3.3 V) • MCU + PHY with proper RMII routing • Compact 4-layer PCB (solid GND + power integrity) • Link-status interrupt handling (instant up/down detection) • Lightweight firmware: DHCP → fallback static → heartbeat + alert packets Milestones: Architecture + component selection + stack-up Schematic + footprint mapping PCB layout (compact, DRC clean) Firmware + bring-up + test validation You’ll receive: Full Altium/KiCad files, Gerbers, BOM (availability checked), C++ firmware, and clear bring-up steps. Quick questions: Preferred protocol for heartbeat (UDP, TCP, HTTP)? Target size constraints? Any enclosure or connector preference (RJ45 magjack vs external)? I can keep this lean, fast-booting, and rock solid for rack deployment.
$225 AUD in 3 days
4.5
4.5

Hi, I am ready to assist with the design of a compact 4 layer PCB that runs reliably on a 12 V input and provides ethernet heartbeat functionality for your equipment rack. The design will be manufacturable and compliant with IPC 2221 and IEC 61010 1 to ensure safe operation and worldwide acceptance. Before starting, please confirm the following: 1. Do you prefer a specific MCU/PHY combination? 2. Should the heartbeat interval adjustment be via UART only, or would you like SWD options as well? Tools I Use • Altium / KiCad / EasyEDA I have 7+ years of experience and I have worked on Network Monitoring PCB for industrial racks, included Ethernet PHY and DHCP handling. Embedded Control Board Developed for automotive subsystem monitoring, optimized for fast boot. Looking forward to your confirmation so we can proceed. Warm regards, Abubakar
$283 AUD in 7 days
4.3
4.3

Best 12V Ethernet Heartbeat PCB Development Expert! ⭐⭐⭐⭐⭐ Dear Client, The biggest risk here is not getting a heartbeat packet onto the network. It is ending up with a compact board that boots inconsistently, handles link events poorly, or becomes awkward to maintain once it moves from prototype into real equipment. That is where careful hardware thinking matters. I would approach this by: 1. selecting a simple, reliable Ethernet hardware architecture that keeps the BOM lean and bring-up straightforward 2. building the PCB around clean 12 V input handling, solid Ethernet connectivity, and practical probe access for future debugging 3. delivering firmware, source files, Gerbers, and bring-up notes so the board is easy to test, flash, and scale after prototype validation This keeps the project centered on dependable network reporting, fast bring-up, and a board that is genuinely ready for production refinement. Two quick questions: 1. Would you prefer the design optimized for fastest boot and link recovery, or for maximum flexibility in future firmware expansion? 2. Is enclosure height/footprint already fixed, or still open during layout? If you message me, I can outline the cleanest first-step architecture so the prototype starts from a low-risk hardware base. Best regards, Prat PCB Must Innovations
$500 AUD in 7 days
6.4
6.4

Dear Sir, I would like to express my interest in working on your project. I have strong knowledge and hands-on experience in electronics and programming, including schematic design, PCB design, and firmware development. I believe I am a suitable candidate for this project, as my skills closely match your requirements. After reviewing your project description, I would also like to suggest considering STM32 instead of ESP32 if you require a more compact and efficient design. The proposed bid amount may be slightly higher since the project involves both PCB design and firmware development. I use KiCad for PCB design and PCBWay for PCB fabrication and assembly. Please note that the costs for PCB fabrication, PCB assembly, and shipping to my country for firmware testing would need to be covered separately. All details, including the final bid amount, can be discussed and negotiated further. Please feel free to message me if you have any questions. I look forward to your favorable reply. Best regards, Isuru Athukorala
$350 AUD in 7 days
3.7
3.7

Hi, I can help you design a compact 12V-powered Ethernet heartbeat PCB with reliable network communication, fast boot, and stable data transmission. I have experience in embedded systems and PCB design, including ESP32/Ethernet-based solutions and power electronics. I will focus on creating a robust and compact design that ensures consistent heartbeat transmission and immediate link-status reporting. Scope: *MCU + Ethernet design *12V input power design with efficient DC-DC regulation *Link status monitoring and signal breakout *Compact 4-layer PCB layout with good signal integrity *Firmware for DHCP/static IP, heartbeat transmission, and link alerts Deliverables: *Complete schematic and PCB design *Gerber, drill, and assembly files *BOM with available components *Firmware *Bring-up and testing guide Approach: *Select optimal MCU + Ethernet architecture *Design stable power system *Implement reliable Ethernet communication *Develop firmware for heartbeat + link monitoring *Optimize PCB layout for compactness and performance I will ensure a reliable, production-ready design that integrates smoothly into your system.
$320 AUD in 12 days
1.5
1.5

Hello sir, I am an electronics engineer with experience in KiCad and EasyEDA, BOM generation, and compact PCB design. I can do this: ESP32-PICO + LAN8720 PHY on a 4-layer board running from 12V input, with C++ firmware that sends UDP heartbeat packets at set intervals and pushes immediate link-down alerts to your database. I will provide schematic, PCB layout (Gerbers), BOM with current availability, full PlatformIO source code, and brief bring-up instructions. Heartbeat interval adjustable via UART. Ready to start.
$350 AUD in 7 days
0.8
0.8

Hello, I can design your compact 12V-powered Ethernet heartbeat PCB with reliable link monitoring and C++ firmware for fast integration into your rack system. The board will handle boot, DHCP/static fallback, and send periodic heartbeat packets plus instant link-up/down alerts to your server. I’ll ensure a clean power stage, stable Ethernet communication, and a compact, production-ready PCB layout. Deliverables: • Schematic + PCB + Gerbers (ready for fabrication) • BOM with availability notes • C++ firmware (configurable heartbeat + network status reporting) • Bring-up guide + test points Portfolio: https://www.freelancer.pk/u/salahuddin1973 Ready to start immediately. Best Regards, Naufal
$200 AUD in 22 days
0.0
0.0

⭐⭐⭐⭐⭐ ✅Hi there, hope you are doing well! I have completed projects involving designing compact PCBs that transmit reliable network status packets with minimal latency, making system monitoring effortless. The most critical part to succeed in this project is ensuring fast boot and stable Ethernet link management in a tightly integrated PCB with clear programming access. Approach: ⭕ I will design a compact 4-layer PCB with an MCU integrating MAC/PHY or ESP32 + external PHY to meet your BOM and footprint constraints. ⭕ Implement robust firmware in C++ for DHCP/static IP, heartbeat packet scheduling, and immediate link status alert transmission. ⭕ Add test points for power and signal probing, and strong 12V input decoupling to ensure stable operation. ⭕ Deliver complete schematic, Gerbers, BOM with current availability, and concise bring-up instructions for easy replication. ❓ Could you clarify your preferred MCU or silicon if you have any preference? ❓ What is your desired heartbeat interval range for initial firmware setup? ❓ Should the alert message format follow any existing protocol or be custom? I am confident in delivering a tight, reliable heartbeat PCB ready for production and easy programming for your remote monitoring system. Looking forward to working with you on this project. Best regards, Nam
$250 AUD in 1 day
0.0
0.0

TRAFALGAR SOUTH, Australia
Payment method verified
Member since Apr 21, 2026
$10-30 AUD
$30-200 AUD
$50-500 AUD
₹75000-150000 INR
£20-250 GBP
$250-750 USD
$10-50 USD / hour
$30-250 NZD
$1500-3000 USD
₹600-1500 INR
$30-250 NZD
₹1500-12500 INR
$10-30 USD
$50-150 USD
₹400-750 INR / hour
₹12500-37500 INR
$250-750 USD
$30-250 NZD
€250-750 EUR
$8-15 USD / hour
$30-250 USD
₹600-1500 INR
$30-250 USD