Solar LoRa Mesh Sensor Nodes

@Mahihassi

With a deep-rooted knowledge in electrical engineering and particular expertise in designing and constructing IoT systems, I am ideally suited for your Solar LoRa Mesh Sensor Nodes project. I have already honed my skills in 2-layer SMD PCB design, buck converter layouts, as well as working with PCBWay/LCSC workflows - precisely what your project demands. My professional approach to circuit design and electrical engineering assures you that I can skillfully carry your job from conceptualization to fabrication-ready files. My Master's degree in Embedded Systems has further nurtured my firmware development abilities, making me an asset to your autonomous, self-powered IoT nodes. Additionally, my grasp on multiple microcontrollers like STM32, ESP32, TI Tiva, C2000, Raspberry Pi, and Arduino will undeniably streamline any firmware requirements we run into during this project. My strength in using Altium Designer, KiCad and EasyEDA also guarantees that the delivered design will be top-notch - avoiding any issues post-fabrication. Furthermore, my broad range of experience doesn't stop at circuit design. I bring strong AI & Machine Learning skills which could enable us to include intelligent algorithms for better data analytics in your system.

@MuhammadUzair16

Hi I am an embedded systems engineer with over 16 years of experience. I have extensive experience taking documented IoT and sensor hardware designs through schematic capture, 2-layer SMD PCB layout, power routing, buck converter layout, and fabrication-ready PCBWay/LCSC PCBA outputs. For your Heltec V3 solar LoRa mesh node, I can review the provided brief, netlist, BOM, layout constraints and datasheets first, then prepare the schematic, PCB layout, Gerbers, drill files, LCSC BOM and CPL files in the format needed for PCBWay turn-key assembly. I will also flag any issue I see with sensor power switching, solar/battery paths, buck converter layout, watchdog/autoreset wiring, mounting constraints or manufacturability before final files are generated. A couple of quick questions: do you prefer KiCad or another CAD source format, and are the board outline/mounting locations already final? Firmware is on your side, but I can still sanity-check pin usage and hardware behavior from a firmware bring-up perspective if needed. Please contact me to discuss details.

@macroenergy

As an experienced electrical engineer and PCB designer, I believe I am uniquely qualified to bring your Solar LoRa Mesh Sensor Nodes design to life. My extensive track record in Circuit Design, Embedded Systems, and PCB Layout shows my ability not only to create robust designs but also to optimize them for efficient manufacturing. My specialized skills and experience in Renewable Energy and Power Electronics make me the ideal fit for this project. I have worked on several similar projects like Solar inverters, Self-organizing wireless networks, and IoT devices that required a deep understanding of power management, proficient use of the Altium software, and the LCSC/PCBWay workflow. Furthermore, having worked on low-power distribution, analog circuits design, RF transmitters/receivers, Bluetooth, and Wi-Fi modules, digital motor controls as well as simulation using tools such as Matlab and Orcad - all of which intersect with your project's requirements - attests to my versatility within your| desired scope of activities. I bring not just a singular focus on delivering but a desire to optimize & improve your design from collision detection to fabrication-readiness. Looking forward to working with you in creating a highly efficient and reliable air monitoring solution.

@Adeel2k14

Hi, I’m an Electronics Design Engineer with over 8 years of experience engineering rugged, multi-layer wireless systems, including extensive deployment with the ESP32-S3 and SX1262 LoRa architectures. I will seamlessly translate your autonomous mesh node design brief into a turn-key, production-ready package optimized precisely for PCBWay PCBA. I will meticulously review your netlist, verify component footprints against the Heltec V3 pinout, and optimize your solar charging and switched power loops for minimum deep-sleep current draw. The 2-layer SMD layout will feature a highly optimized ground return path to minimize RF interference from the switching buck converter, ensuring clean transmission paths for your LoRa mesh. I will cross-reference every component against active LCSC inventory to guarantee zero assembly delays. You will receive fully editable source files, clean schematic PDFs, fabrication-ready Gerbers, and exact CPL/BOM files formatted directly for PCBWay's automated assembly lines. Let's connect to review your brief and lock in a flawless first-run manufacturing package.

@leonidye

Hi, I can take your complete Solar LoRa mesh sensor node design brief and turn it into fabrication-ready PCBWay PCBA files for your Heltec V3-based ESP32-S3/SX1262 node. Since firmware and assembly are already handled on your side, I will focus strictly on clean schematic capture, reliable 2-layer SMD PCB layout, power-path routing, buck converter layout, sensor-power switching, watchdog/autoreset wiring, and PCBWay/LCSC assembly readiness. I will carefully review your netlist, BOM, Heltec V3 datasheets, mounting-hole positions, and layout constraints before routing, and I will flag any electrical, DFM, grounding, power, connector, or manufacturability issue before finalizing the design. For a solar outdoor IoT node, I will pay special attention to low-power routing, clean sensor supply paths, solar/battery charging areas, solid grounding, RF/antenna keep-outs, connector placement, and testability. The final package will include schematic PDF and source files, PCB layout, Gerbers, drill files, BOM with LCSC part numbers, and CPL/Pick-and-Place files ready for PCBWay turnkey PCBA. Please share the design brief and preferred EDA tool, and I can begin with a technical review before moving into the final layout package. Regards.

@tetianam8

⭐⭐⭐⭐⭐ I've carefully read your brief, and I like that you've already completed the system architecture. With the netlist, BOM, layout constraints, and Heltec documentation in place, my focus will be delivering a clean, production-ready PCB optimized for PCBWay PCBA. I'll begin by reviewing the design for any schematic or layout concerns before routing, then optimize component placement, buck converter power paths, grounding, and RF-sensitive areas around the Heltec V3. Before handoff, I'll perform thorough DRC/DFM checks to ensure the board is ready for fabrication and automated assembly. Deliverables: • Schematic (PDF + native source) • 2-layer PCB layout • Gerbers & NC Drill • BOM with LCSC part numbers • Pick & Place (CPL) • PCBWay-ready manufacturing package A couple of questions: • Which CAD platform do you prefer (KiCad, Altium, or EasyEDA)? • Do you have target board dimensions or enclosure constraints beyond the mounting-hole locations? I'd be happy to review the design brief and help ensure everything is right before the first fabrication run.

@TingWang250617

Hi, I can deliver your board as a complete, manufacturing-ready package — schematic, multilayer layout, and all production files — without the usual back-and-forth between designer and fab house. I have 14+ years of experience in PCB design and firmware development. I work daily in Altium Designer, KiCAD, and Eagle, and I own licenses for Altium and Eagle, so I can start immediately on your project. My background covers: • 2–16 layer PCB layout, high-speed routing, and controlled-impedance design • Mixed-signal boards, power distribution, and EMI-aware placement • Full deliverables: schematic, PCB layout, BoM, Gerbers, pick-and-place, ODB++, assembly drawings, DRC report, and 3D STEP model I previously worked at READA PCB Technology in Shenzhen as a PCB designer and production manager. That factory-side experience means my layouts are built for real manufacturing — correct clearances, sensible via strategy, and DFM/DFA checks before files go out the door. If you also need prototypes or small-batch assembly, I can coordinate PCB fabrication, PCBA, component sourcing, functional testing, and shipping through the Shenzhen network I know well from my time at READA. I am available to start right away and happy to sign an NDA before reviewing your design brief. Looking forward to your reply. Best regards, Ting

@abdurRafiqM

HI, I am an experienced electronics and PCB Design engineer, specialised in use of ECAD software such as Altium Designer, KICAD, EasyEDA, etc. for the the design of electronics and PCB. I will design your projects to meet your Requirements and the industry standard. I do all kinds of circuits such as Power delivery circuit, Sensor Integrated Circuits, wireless control, MCUs etc. I will deliver the following. The Schematics for your Design The PCB for the design Bill of materials(If needed) Gerber, Pick and Place and other manufacturing and assembly drawings needed. Full Support and consultancy till the project is done. Kindly send me message for my previous designs and also so we can discuss further on your project I look Forward to working with you. Best Regards, Abdur-Rafiq

@yaroslavmark

Hi, I have 12+ years of experience in embedded hardware and PCB design, delivering 40+ production-ready boards including ESP32/LoRa IoT devices, low-power sensor nodes, and solar-powered systems optimized for PCBWay and LCSC turnkey assembly. I have designed compact 2-layer mixed-signal PCBs with efficient buck converter layouts, achieving first-pass manufacturing success through DRC/ERC-clean designs and assembly-ready documentation. Approach ✅ I will review the complete design brief, verify the schematic, BOM, Heltec V3 interfaces, and identify any electrical or manufacturability issues before layout begins. ✅ I will create a compact 2-layer PCB with optimized power routing, low-noise buck converter placement, solid grounding, and careful separation of RF, power, and sensor circuitry. ✅ I will perform comprehensive DRC/ERC checks, validate PCBWay fabrication constraints, and deliver Gerbers, drill files, BOM with LCSC part numbers, CPL, and native design files ready for turnkey PCBA. Questions ✅ Is the Heltec V3 module supplied as an assembled module, or should its footprint be integrated directly for PCBWay assembly? ✅ Do you have enclosure dimensions or keep-out areas that must be respected for the antenna, solar connectors, and mounting holes? ✅ Should the PCB include RF design rules such as antenna keep-out zones and controlled grounding around the SX1262 section, or are these already defined in the design brief? Best, Yaroslav

@danish2051

I am an Embedded Systems and PCB Design Engineer with experience in Altium Designer and custom hardware development. I can design your PCB from schematic to production-ready files, including: • Schematic Design • PCB Layout • Component Selection • Design Rule Check (DRC) • Gerber Generation • BOM Preparation • Manufacturing Support (JLCPCB, PCBWay, etc.) I have experience with ESP32, STM32, sensor interfaces, power supplies, RF modules, Ethernet, and industrial electronics. Please share the project requirements, schematic (if available), board dimensions, and any special requirements. I can start immediately. Looking forward to working with you. Best Regards

@shadabkhan92

As Mohd Sadab and my team, we're not just about prototypes; we build production-ready AI systems that actually work inside existing workflows and make real decisions. Having vast experience in creating custom IoT hardware, designing 2-layer SMD PCBs like yours, and working with different workflow platforms like Odoo ERP, your project requires someone like me who's been fitting AI into the real-world scenarios for years. One element that makes us the best fit is our practical approach. We take your complete design brief along with the BOM provided and follow it meticulously, but at the same time not hesitant to flag any possible room for improvement before finalizing. We vow to ensure that everything is thoroughly reviewed and rectified because catching a mistake at this stage is far healthier for both of us than after fabrication. Moreover, our technical repertoire encompasses various relevant skill sets including circuit design and buck converter layouts which are vital for your project. We won't just deliver the schematic, Gerber files etc., you need, but also understand your need to integrate this PCB intothe larger Photon Flower System. Having hands-on experience across Node, MQTT and deploying on AWS etc., I can make sure that there's additional coherence between your solar LoRa mesh sensor nodes and other aspects of your system for a seamless integration in future projects too. So let's come together now to build something greater!

@FranciscoSilvi

Hi There! As you can see in my portfolio on my profile, I have extensive experience designing PCBs and mass production equipment, just like you need. I can handle your project and if you're from Chile, we can speak in Spanish. I apologize for the simple proposal; I know you're probably tired of reading AI-generated proposals, and I'd rather not waste time on that. If you're interested in working with me, send me a message and we can work out the details! Best Regards!

@julianm260

With my 8 years as a Senior Electronics Engineer and my in-depth knowledge and experience in RF engineering, embedded systems, and high-power electronic design, I can confidently say that I'm the perfect fit for your Solar LoRa Mesh Sensor Nodes project. My track record of delivering robust hardware solutions, from RF modules to embedded controllers, proves my capability to handle projects from their conception through to final implementation whilst ensuring compliance with safety, reliability, and performance standards. I am both experienced and comfortable working with Circuit Design, Electronics, Embedded Systems and PCB Layout. In fact, I have a particularly relevant strength in designing two-layer SMD PCBs along with buck converter layouts - which it sounds like your project needs! Moreover, since PCBWay LCSC will be handling the fabrication elements of the project per your instructions, I'm well aware of their workflow and will incorporate it seamlessly into your design. Lastly, please allow me to highlight my commitment to thoroughness and attention to detail which are qualities imperative for this project. Meticulously reviewing designs before finalization is a step I hold dear as I firmly believe it is better to catch mistakes prior to fabrication than after. With my expertise and passion for detail combined with your clearly defined brief, we truly have the potential for an exceptional end product that reflects the efficiency and efficacy of our collaborative approach. Let's get your fleet of autonomous solar-powered IoT nodes ready for action!

@electronicsdone

Hi, The biggest risk in this project is not designing the PCB—it is creating a low-power, reliable hardware platform that ensures stable LoRa communication, efficient solar power management, and robust sensor performance while remaining fully compatible with PCBWay PCBA manufacturing. I have 30 years of experience in PCB design, ESP32-based embedded systems, LoRa communication, low-power IoT devices, solar-powered electronics, and production-ready hardware development. I have successfully delivered numerous wireless sensor and custom PCB projects from prototype through manufacturing. For this project, I would focus on: 1. Designing a clean, manufacturable 2-layer PCB optimized for low-power operation and reliable LoRa performance. 2. Optimizing the power path, and sensor interfaces for maximum efficiency and long-term stability. 3. Delivering fabrication-ready files, including schematic, PCB layout, BOM with LCSC part numbers, and Pick & Place files for seamless PCBWay assembly. The goal is to deliver a production-ready PCB that provides reliable LoRa mesh communication, efficient solar power management, and long-term field performance. ✅ A Few Quick Questions: 1. What is your target battery capacity and solar panel rating? 2. Are there any RF layout or antenna placement constraints? If you message me, I can review your design and recommend the most practical PCB layout to ensure reliable performance and smooth PCBWay assembly. Best regards, Prat PCB Must Innovations

@ahmedy607

Hi, Please take a look at my profile and portfolio. I have experience designing ESP32-S3, and low-power IoT PCBs, including boards optimized for PCBWay/LCSC assembly. I can convert your documented design into a clean, production-ready 2-layer PCB, optimizing the power stage, signal routing, and manufacturability while ensuring compatibility with PCBWay PCBA. I'll also review the design and suggest improvements before finalizing if I identify any potential issues. I am ready to get started immediately and would be happy to review your design brief. Best regards, Ahmed

@Webslinger01

Solar-powered LoRa mesh with zero connectivity dependency — I've shipped exactly this architecture for a desert deployment in South Africa. That project used ESP32, RFID, and a fully offline solar stack to dispense water in a community 500km from the nearest city. The firmware handled power-loss recovery, quota enforcement, and mesh coordination without any internet. I can design your sensor nodes the same way — from the PCB layout and power management through to the LoRa mesh firmware and full prototype assembly. You get working hardware shipped to you, not just code. Let me know your sensor requirements and power budget, and I'll lay out the architecture that matches your deployment conditions.

@chetanb382

Hi, We reviewed your design brief thoroughly, and this project perfectly matches our experience in ESP32-based hardware, IoT devices, power management, and production-ready PCB design. We have completed several custom PCB projects involving STM32/ESP32, sensor interfaces, buck converters, battery-powered systems, and PCBWay-ready manufacturing files. We understand that the electrical design, BOM, and netlist are already defined. We will recreate the schematic (if an editable source isn't available), design a robust 2-layer PCB, optimize component placement, power routing, RF considerations, thermal management, and perform complete DRC/ERC verification before generating Gerbers, BOM, CPL, and all fabrication files ready for PCBWay PCBA. Please visit our profile and portfolio to review our previous PCB and embedded hardware projects. Timeline: 6 Days Budget: $180 USD A few questions: 1. Will you provide an editable schematic, or should we recreate it from the design brief? 2. Do you prefer the final project in KiCad or EasyEDA? 3. Should we preserve the current board outline exactly, or is minor connector repositioning acceptable if needed for routing? We are available to start immediately and will keep you updated throughout the project. Regards, M&C Eng

@ThynkLoop

Hi, I can convert your documented Heltec V3 LoRa sensor node design into a professional, fabrication-ready 2-layer PCB for PCBWay turnkey PCBA. I will carefully review your design brief, optimize the schematic and PCB layout where required, and deliver complete manufacturing files compatible with PCBWay and LCSC components. I have experience in ESP32, LoRa (SX1262), PCB design, power supply layouts, buck converters, and PCBWay manufacturing workflows. I will ensure proper routing, signal integrity, power distribution, and manufacturability while following your layout constraints and suggesting improvements wherever necessary. Proposed Approach • Review the provided design brief, BOM, netlist, and Heltec V3 documentation • Create and verify the schematic with any recommended improvements • Design a clean 2-layer PCB with proper power, RF, and buck converter layout practices • Generate fabrication-ready Gerber, drill, Pick & Place (CPL), and BOM files with LCSC part numbers • Perform complete DRC/ERC verification before final delivery • Provide design notes and manufacturing support if required Deliverables • Schematic (PDF and source files) • 2-layer PCB layout • Gerber and drill files • Pick & Place (CPL) file • BOM with LCSC part numbers • Design review notes and complete source files

@wyderl24

Hello, I hope this message finds you well. I’m excited about your job posting and would love the opportunity to contribute to your team. I’m eager to learn new skills and bring value to your projects. Please take a moment to review my profile, and feel free to reach out if you have any questions Thank you for considering my application! Best regards, Wyder