Electrical Engineer for Production-Ready LoRa Button & Receiver

@Mahihassi

As an experienced and dedicated Electrical Engineer, I bring a unique set of skills and knowledge that makes me an ideal candidate for your project. My understanding of microcontrollers, embedded systems, and electronic design blend perfectly with what you need for this job. I have successfully designed ultra-low-power devices running seamlessly for extended periods, a valuable skill given your aim for 3-5 year battery life. My extensive experience in PCB layout using tools like Eagle, Target, and Kicad will be key in unifying the system's PCB design and making it production-ready. Another strength is my profound knowledge in wireless communication which includes LoRa technologies. For instance, I've worked with RAKwireless devices and developed field-proven systems similar to what you're building. A notable project is one where I achieved secure communication over long-range distances in dense urban areas suffering substantial RF interference, akin to your project requirements. Lastly, my commitment to quality and detail guarantees that not only will I accomplish the technical prerequisites such as secure AES-128 encryption and rolling counters for replay attack protection but also deliver all the required deliverables - Production-Ready PCB Files, Manufacturing Data (BOMs, Gerber files etc.), 3D model etc. Let us collaborate on crafting a polished product that maintains durability even in demanding situations while adhering to your timeline for prototype production.

@geno700

hi , its ahmed i would be happy if you allow 10 mins of your time interview *With a degree in Mechatronics Engineering and over 6 years of experience in CAD design using Fusion 360, I am confident in my ability to contribute effectively to your product* i ve a small lab equipped with 3d printer/cnc/ crafts tools for prototyping best regards ,

@markoa7

My name is Marko Aleksic, and as an experienced Electrical Engineer, I have a wealth of knowledge and skill that aligns perfectly with your project's needs. My specialization in power supply circuits, multilayer designs for embedded systems, and an efficient LED driver circuit satisfies your unique electrical requirements. I understand how demanding RF environments can hinder wireless communications from my extensive experience working with WiFi, Bluetooth, and RFID technologies. Moreover, my strength in firmware development ensures a robust and reliable product. My expertise with UART, SPI, Ethernet, USB, CAN, and MODBUS protocols makes me well suited to integrate your system seamlessly plus I will guarantee non-intrusive firmware updates on the button. Lastly but just as important as everything else is efficiency. Based on using a battery powered transmitter this device must last 3-5 years. This highlights the significance of power management - a skill I've perfected over the years. My zeal for delivering high-quality projects on time without compromising performance will dovetail effectively with your desire to move quickly into pilot production without sacrificing quality. Let me transform your working prototype into a polished, producible design that meets all your specifications!

@Adeel2k14

I am an experienced Electrical Engineer with over 6 years in PCB design and embedded systems. I have worked on LoRa-based devices, ultra-low-power designs, and secure communication systems. I can refine your prototype into a reliable production-ready design, ensuring long battery life, robust AES-128 encryption, and optimized PCB for both transmitter and receiver. I will deliver complete manufacturing files, BOM, and 3D models ready for pilot production. With my background in STM32, LoRa, and R&D projects, I can help you achieve a high-quality, field-proven product.

@hayat38402

Hi, how are you doing? I went through your project description and I can help you in your project. 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  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. We can deliver your project efficiently within timeline. If you choose me, I think you won't regret. Best Regards.

@ghayasa727

As an accomplished electrical engineer, I've honed my skills across a broad range of areas critical for your project's success. From my extensive experience in electrical design, Microcontrollers, Arduino, PCB designing to IOT, you can be confident that I'm deeply familiar with the technologies and systems underpinning your LoRa Button & Receiver. Over the course of my 6-year career, I've developed a knack for delivering innovative and well-optimized electrical solutions – an ability that stands paramount when dealing with long-range communication systems like LoRa. Your challenge of achieving secure communication over 1.2+ km in dense urban environments with high levels of RF interference resonates with some of the toughest projects I’ve tackled — and found success in. Combined with my proficiency in Arduino and PCB layout design skills, I can not only perfectly fit your critical requirement for a unified PCB design but also ensure its power optimization is prime for extended battery lives. In addition, my expertise in streamlined manufacturing processes will yield production-ready PCB files including finalized schematic, BOM, Gerber files and Pick-and-Place data as you intend. Should you entrust me with your project, my goal will be to give you a high-quality, field-ready design within the shortest possible timeframe while ensuring utmost precision and functionality. Let's get started!

@SMBelectronics

Hello, I’m Abbas Jawadwala, Co-founder and Lead Engineer at SMB ElectroTech. With 5+ years in electronics design and hardware development, I’ve supported clients globally with everything from IoT devices to multi-layer PCB layouts. My team and I focus on reliable, manufacturable solutions delivered on time with full transparency. Here’s how we can help: 1. PCB Layouts – multi-layer, signal integrity, DFM checks 2. Embedded Systems – firmware for AVR, ARM, ESP, Arduino 3. Product Development – prototyping, testing, optimization 4. Power Electronics – converters, power supplies, efficiency tuning 5. Analog/Digital Circuits – grounding, shielding, EMC/thermal analysis What sets us apart is our client-first approach and attention to detail. I usually take on one project at a time, ensuring focus and quality at every stage. I’d be glad to learn about your goals—whether it’s performance, cost, or schedule. I’m available to start right away and can jump on a call this week to plan the next steps. Looking forward to connecting. Best regards, Abbas Jawadwala SMB ElectroTech

@jitendrabaraiya

I have more than 10 years experience in electronics hardware design and firmware development with full products design . and i have already done many products based on LORA with more than 5km distance . SO I can do your job within a time limit with your satisfactions.

@alishba438

Working in the field of Electrical Engineering and Automation since 5 years sets me apart from lots of programmers. During this tenure, I have developed my expertise in C++, Python, C#, Java & HTML using Arduino, Raspberry Pi, ESP8266, Orange Pi, Atmega 328p and numerous other microcontrollers. I have made projects for various clients which include various Control Systems, Automation Systems and custom boards to achieve various specific applications. I will do:- Simple to advanced Circuit design and analysis using software tools such as KiCAD, Proteus, Altium Designer, Allegro, PADs, and Eagle My package provides the following services - Schematic drawings - Gerber files - Netlist generation - Pcb's - BOM generation (Professional BOM) - 3D Models of the Actual PCB - ECAD Library Administration I will also generate Gerbers on existing PCBs files

@Hachemked

Hi , You've already proved the concept with your LoRa-based button and receiver—now let's turn it into a lean, production-ready product that works reliably regardless of the environment. Here’s how I’ll elevate your prototype into pilot production: Unified, dual-mode PCB: One board that can be configured as either the Button or the Receiver, streamlining manufacturing workflow and reducing cost. Ultra-low-power transmitter: Optimized for multi-year battery life on AA/AAA cells, with silent firmware updating via pogo-pin headers—no bulky external connectors. Secure communication: AES-128 encryption with rolling counters to guard against replay attacks and safeguard over long-range links. Complete production deliverables: Cut-ready schematics, layouts, BOM, Gerber files, pick-and-place data, and 3D STEP model for seamless manufacturing. I understand what it takes to convert rugged prototypes into reliable, manufacturable systems—especially for LoRa platforms where interference and battery life matter most. Let’s discuss how you envision the enclosures and production workflow—I’m ready to bring your design to life, accurately and efficiently. Best regards, Hachem K. Embedded Systems & PCB Design Expert

@Specgi

With an intricate understanding of electrical engineering and a robust handle on PCB design and layout, I am Usman Haider, the perfect candidate to see your LoRa button and receiver system project through to completion. This is predominantly because of my vast expertise in developing low-power devices and my experience with the RAK3172 module, which will be at the core of your product. Furthermore, my proficiency in ensuring streamlined manufacturing processes - by creating consolidated PCB designs - is directly aligned with your requirement for a single PCB layout that can perform as either the button or the receiver. I also have experience in ensuring secure communication by implementing AES-128 encryption and robust replay attack protections that align with your project's specifications. Moreover, my commitment to delivering high-quality, field-ready designs that are ready for production complements your immediate need. In conclusion, partnering with me for this project means leveraging a diverse skill set that will seamlessly take your functional prototype closer to becoming a polished, manufacturable product. Let's collaborate to ensure your vision becomes reality in no time!

@TingWang250617

Hi, I'm very glad to have an opportunity to help you with PCB design. This job is very appealing to me because I have a lot of experience in PCB design of various kinds of the electronic devices. Especially, IoT devices I also have enough experience in high speed multi-layer routing and RF impedance control. I'm very familiar with Altium, Eagle and KiCAD. I have my own Altium license and Eagle license. So if you hire me, I can start work immidiately I attached a few pictures of some IoT boards I have previously designed and manufactured. I'll provide you all design files and manufacturing files (part library, schematic, layout, BoM, pnp, ODB++, assembly document, gerber, DRC document, and 3d model) Also, I can support you for PCB manufacturing and PCBA from our local company(READA company) in Shenzhen, China if you want. We will provide high-quality in PCB manufacturing and PCBA, reliable part sourcing, functional test according to customer's specifications, and quick shipping. Also, I can help you to order PCBs from JLCPCB, PCBWay and SEEEDStudio if you want. I'm confident my skills and experience in PCB design make me a good candidate for your job. Looking forward to hearing from you soon. Kind Regards. Ting

@JohnTran91

Hello, my name is Tu. I am a Mechatronics Engineer with 12+ years of experience in mechanical, electrical, and product design, including roles at Nidec, Samsung, and Vinsmart. I specialize in communication systems, battery optimization, and designing robust, high-performance devices. For your encrypted long-range LoRa button and receiver, I bring strong expertise in PCB design, 3D modeling, and system integration using tools such as Autodesk Inventor, AutoCAD, SolidWorks, and CATIA. I have a proven track record of delivering power-efficient designs, achieving 3–5 year lifespans with AA/AAA batteries. My work spans automotive, aerospace, automation, and medical devices — industries where reliability and security are critical. I’d be glad to discuss how I can deliver a secure, efficient LoRa system tailored to your needs. Best regards, Tu

@harvinder15291

As a seasoned electrical engineer specializing in PCB layout, product design and 3D printing, I am more than capable of helping you transform your existing prototype into a fully polished, production-ready LoRa-based encryption system. With extensive skills in a range of 3D software including SolidWorks, AutoCAD and Revit, I will fashion your design into a unified PCB layout that can function seamlessly as both the button and receiver, streamlining your manufacturing process. I understand the importance of achieving long-range secure communication in urban environments where RF interference is prevalent. Throughout my career, I have continually grappled with similar challenges and achieved noteworthy solutions - making me the ideal candidate for this project. Additionally, my experience extends to optimizing power utilization to enable ultra-low-power performance while maintaining high functionality - exactly what this project demands. Best Regards Harvinder

@EightVeer

Hi there, My name is Isme A., Project Executive at 8veer Consultancy. Thank you for considering us for your LoRa Button & Receiver Engineering project. We understand your objective to convert a functional LoRa prototype into a refined, low-power, production-ready device capable of reliable encrypted communication across urban environments. Our engineering team has delivered LoRa-based designs using RAK3172 modules, optimized for multi-year battery life and urban RF resilience. We’ll engineer a unified PCB layout for both transmitter and receiver configurations, implement secure AES-128 with rolling counters, and design a clean firmware update interface via internal pads. Final deliverables will include manufacturing-ready files, 3D assembly models, and full documentation. We estimate delivery within 20 working days and are available for technical discussions this week. Yours sincerely, Isme A. Project Executive Project Management Office (PMO) 8veer Consultancy Ref: 8V-PMO-FRC

@azharjafri

Your project to transition your LoRa communication system to production readiness resonates deeply with my expertise. I've previously led a similar project, optimizing a LoRaWAN network for industrial IoT deployment, resulting in a 30% reduction in latency and a 15% increase in reliability using a comparable hardware stack and rigorous testing methodologies. My approach involves first validating your current prototype's performance through comprehensive RF testing and EMI/EMC analysis using Keysight network analyzers and spectrum analyzers. Next, I’ll design a robust, production-ready PCB layout adhering to IPC standards using Altium Designer. This will include rigorous component selection for optimal reliability and cost-effectiveness. Finally, I will develop a comprehensive test plan to ensure consistent performance throughout manufacturing. To fine-tune my approach, could you share specifics on your targeted production volume and desired regulatory certifications? I'd be happy to connect via chat to discuss these points and align on a detailed project scope. A quick call can be scheduled if absolutely necessary.

@dwashil3000

I have done a similar project a week ago. I am interested to do this project too and ready to complete this within the timeline. Pls check my profile to see all rating and reviews given by clients. Hoping to hear from you soon.

@as348

Hi i have mor ethan 10 years experienced in circuit design and development in my past i have designed lot wireless board for company i can sesign best waybunder emimec

@Mwaleed30

I am skilled PcB Designer I made multiple real life single layer ,2 layers ,4 layers PCBs projects (i.e: pcbs for compact ear buds Pcbs for compact usb with advanced security features Pcbs which involves USBs Also i made many large projects which handles high voltage AC and DC ) I will show you my PCB work separately I can work for your project and made it perfect in the best price and also give you a week after if any changes or other thing after the project submission You can also see my Portfolio which reflects some of My PCBs projects