
Closed
Posted
Paid on delivery
I'm looking for an experienced PCB designer to create a device powered by a 12V battery. This device will use GSM for communication and will control a 12V motor using relays. Key Requirements: - GSM communication module - ESP32 microcontroller - Relay-based motor control - 12V power management Ideal Skills: - PCB design expertise - Familiarity with GSM and ESP32 and LoRa - Experience with relay circuits and motor control - Experience with magnetic field sensors Please provide relevant work samples. Looking forward to your bids!
Project ID: 39687694
63 proposals
Remote project
Active 9 mos ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
63 freelancers are bidding on average $2,051 USD for this job

As an experienced Electrical Engineer with an expertise in Electronics and Embedded Systems, I am confident that I can deliver a high-quality PCB design tailored perfectly to your project's requirements. Your need for GSM communication, ESP32 microcontroller, relay-based motor control, and 12V power management are all skills I majorly specialize in. Additionally, my familiarity with LoRa and magnetic field sensors will be of immense benefit to the project. Throughout my career, I have successfully designed and implemented numerous PCBs for different applications. My proficiency in microcontrollers - especially ESP32 - aligns perfectly with your project needs, ensuring optimal performance. My expertise with different PCB design software (Eagle, Target, Kicad) allows me to adapt efficiently to your preferred platform- promoting fluid collaboration between us. Furthermore, my past works involved complex projects similar to yours wherein a significant understanding of embedded systems was required. Whether it's hardware optimization or selecting the right components to ensure smooth functioning- I've got you covered! With me on the team, you get not only proficiency but also innovation and dedication to produce the best possible outcome. Let’s collaborate and bring your 12V Motor Control system to life!
$2,500 USD in 60 days
8.0
8.0

With over a decade of experience in electronics design, extensive knowledge in embedded systems, motor control, and PCB Layouts, I am strongly inclined towards your project. Having worked extensively with digital motor controls, analog designs, and power electronics, my proficiencies align perfectly with all the requirements you have laid out. If you require a reliable, skilled freelancer who can effectively handle GSM communication modules and work seamlessly with ESP32 microcontrollers and relays for motor control, I am the right person for you. My experience with magnetic field sensors would also be an asset to your 12V motor control project. Moreover, I believe my expertise in alternative energy like solar inverters, DC-DC converters, battery chargers would come in handy for proper power management. My past projects include successful implementations of GSM for communication. Additionally, I will utilize my skills in Matlab and Simulation of Hardware for effective troubleshooting. Please find my relevant work samples attached. Choosing me would mean having a skilled professional dedicated to providing you with the best outcome in the most efficient manner! Thank you for considering me!
$1,600 USD in 20 days
7.2
7.2

Hello, I am an experienced PCB designer and embedded systems engineer with a strong background in developing IoT devices that integrate GSM communication, ESP32 microcontrollers, and relay-based motor control. Over the past several years, I have designed and delivered multiple 12V battery-powered systems for industrial and consumer applications, ensuring reliability, compactness, and efficient power management. For your project, I can provide a complete design solution covering: Schematic & PCB Layout: Multi-layer design optimized for EMI/ESD compliance and minimal footprint. GSM Integration: Hardware and firmware support for modules like SIM800, SIM7000, or equivalent, with robust communication handling. ESP32 Implementation: Low-power firmware design, OTA updates, and seamless communication with GSM/Lora modules. Relay-Based Motor Control: Safe driver circuitry with proper isolation, flyback protection, and high-current handling. 12V Power Management: Efficient buck/boost converters, reverse polarity protection, and battery life optimization. Relevant projects include: a GSM-based remote pump controller, a LoRa-enabled solar-powered monitoring system, and an industrial magnetic sensor interface board. I can deliver complete fabrication-ready Gerber files, BOM, and tested prototype designs, ensuring your device is production-ready. Let’s discuss your exact requirements so I can tailor the design to meet your technical goals and budget. Best Regards, Haseeb Shafqat
$1,500 USD in 7 days
6.5
6.5

As an experienced electronic hardware and firmware engineer, I believe I am equipped with the skills necessary to bring your PCB design project to life. With a specialization in power supply circuits, multilayer designs, and deep understanding of GSM, ESP32, and ESP8266 communication protocols essential for the desired device functionalities, I am confident in my ability to meet the key requirements. Complementing my PCB design expertise is a proficiency in RF circuit design, which includes developing RF filters, transceivers, power amplifiers among others - making me a strong candidate for working on the GSM communication module component of the design. Moreover, my solid experience in relay circuits and motor control will ensure a smooth and efficient integration of these elements into the final solution. Finally, my commitment to delivering cost-effective, high-quality solutions without compromising on performance or deadlines aligns perfectly with your project's needs. My past success with LED driver circuits and RF PCB layouts showcase my ability to produce reliable and high-performing designs. Let's connect and discuss how we can turn your ideas into reality using adeptly designed PCBs and thorough circuit planning. Let's get your 12V motor control device powered by GSM up and running!
$2,250 USD in 7 days
6.6
6.6

Hi there, I’m an experienced PCB designer specializing in ESP32- and GSM-based control systems. I can design a compact, reliable PCB for your 12 V battery-powered device with integrated GSM communication, relay-based motor control, and 12 V power regulation. I’ll ensure clean signal routing for the ESP32, proper isolation for the relay circuits, and optimized GSM/Lora module placement for stable connectivity. If needed, I can also integrate magnetic field sensors for position or speed detection. You’ll get ready-to-fabricate Gerber files, BOM, and schematic, along with 3D previews for enclosure fitting. Best regards, Samuel Tshibangu
$2,250 USD in 7 days
6.3
6.3

Hi, We went through your project description and it seems like our team is a great fit for this job. We are an expert team which have many years of experience on Electronics Please come over chat and discuss your requirement in a detailed way. Thank You
$2,300 USD in 7 days
6.1
6.1

As a seasoned electrical engineer and PCB designer, I am thrilled about the prospect of working on your 12V motor control project that features GSM communication and relay-based control. I have over 8 years of experience - designing top-notch circuit boards using tools like Eagle, Altium, KiCAD, and EasyEDA. Let me assure you that my experience extends far beyond basic designs; I also possess an in-depth understanding of GSM and ESP32. Additionally, with your project's need for power management at the forefront, my skillset will prove invaluable. My profile showcases several key skills that align perfectly with your project. An expertise of mine includes not only PCB design, but also being seasoned in handling LoRa and embedded systems. In fact, I consider optimal motor control and incorporate variables like magnetic field sensors to ensure precise operations. With all these skills well within my wheelhouse, I believe I'm the best candidate to bring your device to life. My passion for PCB design and dedication towards meeting deadlines will guarantee a successful completion of the task at hand. Together, let's turn your ideas into tangible reality. Hire me now to get started on this exciting project!
$1,500 USD in 7 days
6.2
6.2

Hey! I can design a compact PCB around an ESP32 + GSM module with solid 12V power management and relay-based motor control, complete with firmware. I’ll handle protection (flyback diodes, fuses), opto-isolated drivers, antenna/EMI layout, and deliver Gerbers, BOM, assembly files, and tested prototypes. You’ll get clean docs and an easy path to manufacturing and field updates.
$2,000 USD in 7 days
5.4
5.4

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.
$2,250 USD in 7 days
5.9
5.9

Hi Mustak A., I recently completed a similar project. Here are links to my website where you will find similar jobs done recently by us. I have written my suggestions and question too for you to consider. Just wanted to reach out and discuss your project in more detail. I can see that you are looking for a PCB design expert to create a 12V motor control device with GSM communication and relay-based functionality. Here's a streamlined solution. We'll integrate a GSM module for communication, an ESP32 microcontroller for seamless operation, and set up relay circuits for precise motor control. Power management will be optimized for efficient 12V operation. In terms of workflow, we'll kick off with a detailed schematic design, focusing on GSM integration and relay layout. Next, the PCB layout will be tailored to accommodate the ESP32 and relay connections. Finally, thorough testing will ensure seamless motor control and reliable communication via GSM. To ensure a smooth project execution, I'm curious about the preferred GSM provider for compatibility and the motor's power requirements for accurate relay selection. Considering your project's scope, I suggest incorporating reverse polarity protection for enhanced circuit safety and utilizing ground planes to minimize electromagnetic interference. I'm excited about the opportunity to bring your vision to life. Let's join forces to create a cutting-edge Best Regards, Sid (Ceo and Founder of Ekarthaan India)
$2,970 USD in 16 days
5.6
5.6

Hello, I understand you need a PCB for a 12V battery powered device with GSM for communication, an ESP32 for control, and relays to run a 12V motor. I have worked with GSM modules, ESP32, relay circuits, and 12V power systems, so I can match the parts and functions you listed. I will first do the simulation of your task to show you everything working and than I will start making your PCB. The PCB work will include schematic design with the ESP32, GSM module, relays, and power management circuit all in one board, PCB layout with clear routing for both logic and high current paths, generation of Gerber files ready for fabrication, a bill of materials with exact part numbers, and a basic test plan for verifying GSM, motor control, and power sections. The first step can be to review your preferred GSM module and relay type so the design matches your needs. Please send me a quick message so we can start. I can deliver you a reliable PCB in 7 days and I am very confident to deliver 100% for your project. Please visit my profile to check the relevant portfolio and my recent reviews from different clients. Best regards, Ahmed.
$1,500 USD in 7 days
5.6
5.6

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!
$1,500 USD in 5 days
5.2
5.2

Hello I have extensive experience designing PCBs for battery-powered IoT and automation systems, including projects with ESP32, GSM modules (SIM800/SIM900), LoRa communication, and relay-based motor control. I’m also well-versed in 12V power management, sensor integration (including magnetic field / Hall effect sensors), and designing compact, reliable boards optimized for manufacturing. In past projects, I have: Designed and delivered multi-layer PCBs combining ESP32 with GSM and LoRa modules. Developed relay driver circuits with proper isolation, flyback protection, and safety compliance. Created efficient power regulation systems for GSM’s high current bursts from a 12V battery. Integrated and calibrated magnetic field sensors for motion and position detection. I can provide relevant design files, Gerber outputs, and photos of completed boards upon request. I’m confident I can deliver a robust, production-ready design for your requirements. Looking forward to discussing your project in detail. Best regards Hamza
$1,500 USD in 4 days
5.3
5.3

Since 2003 I am working in Digital Electronic. So more than 18 years of experience in Electronics. Arduino NANO/UNO/MEGA, ESP32 and Raspberry PI to build a digital device to read sensor data and send it to the web server, motor control, control relay switches and LEDs. More than 5(five) years of experience in Arduino design and build. If you want an excellent and error-free project delivery, then send a message to me, please. Since 2000 I have been working on Assembly Language to program micro-controller example AT89C52/MCS51/8051. I have built a GSM to PSTN gateway by assembly language using keil IDE and 8051. So more than 20 years of experience on assembly language. If you want to find a good delivery of the job then message me, please. Since 1995 I have been working on Analog and Digital Electronics to build any kind of device. I have build lots of devices. So more than 20 years of experience on Electronics. Including power supply design. Any kinds of schematic and PCB design. Expert PCB design in EasyEDA Pro IDE.
$3,000 USD in 15 days
5.4
5.4

PROVEN Track RECORD with numerous successful EMBEDDED SYSTEM projects and top freelancer.com client REVIEW! One of the biggest challenges in a 12V battery-powered GSM motor control device is managing reliable power and signal integrity between noisy relay circuits and sensitive wireless modules—this is exactly where my expertise comes in. I have extensive experience in electronics and embedded systems, especially with ESP32 and LoRa, and I previously worked as an Embedded Engineer at FPT Software where I designed robust embedded solutions. I’ll ensure your PCB design cleanly separates power and signal lines, implements solid relay control, and integrates the GSM module flawlessly to maintain stable communication. My approach guarantees your device performs reliably even in challenging electrical environments. I’d be happy to share examples of similar projects and discuss how we can bring your device to life efficiently. Thanks. Truong...
$1,500 USD in 7 days
5.0
5.0

Hello, I can design your 12V battery-powered GSM + ESP32 + LoRa device with integrated relay-based motor control and magnetic field sensing. The PCB will include robust power management for stable 12V operation and optimized relay drive circuitry. GSM and LoRa communication modules will be implemented for reliable data transfer and control. ESP32 will handle all processing, integrating motor logic, GSM, and sensor inputs seamlessly. I will ensure compact, production-ready PCB layout with clear silkscreen and optimized trace routing. All deliverables will include schematic, PCB layout, Gerber files, and BOM. Let’s build a reliable, industrial-grade solution for your application. Best regards Engr Muhammad Usman Skills: Electronics, PCB Layout, Embedded Systems, Motor Control, LoRa, Prototyping.
$1,750 USD in 4 days
5.5
5.5

I’m excited to propose my expertise for your 12V battery-powered PCB design featuring GSM communication (SIM7080G), ESP32, relay-based motor control, and power management. With hands-on experience in similar projects, I’m confident in delivering a robust, high-speed design tailored to your needs. Why My Skills Fit Your Project: Recent Work: Designed a GSM + ESP32 system using the SIM7080G module (cellular connectivity + GPS), ideal for your communication needs. Motor Control: Developed 12V/4A motor driver circuits (Texas Instruments ICs) with relay integration, ensuring reliable switching for your 12V motor. Sensor Integration: Experience with magnetic field sensors (e.g., Hall effect) for feedback systems. Power Management: Optimized 12V-to-3.3V/5V conversion for ESP32/peripherals with low quiescent current. Project Timeline & Deliverables: Duration: 7–10 days (final timeline depends on manufacturing location). Outputs: Schematic + 4-layer PCB layout (high-speed signals, EMI mitigation). Gerber files, BOM, and assembly notes. Optional: Firmware support (Arduino/ESP-IDF) for GSM/motor control. Portfolio & Collaboration: I’d love to share my portfolio/work samples (including GSM/ESP32 and motor driver projects). Let’s discuss details—message me to review case studies or specific design challenges. Looking forward to your response! Best regards,
$1,500 USD in 7 days
4.8
4.8

I have more than 10 years experience in electronics hardware design and firmware development . and I have done many products based on esp32 . So I can do your job within a time limit with your satisfaction.
$8,960 USD in 60 days
5.0
5.0

As an experienced engineer in electronic hardware design, I bring a wealth of skills to this project. My extensive experience in PCB design using Altium, Kicad, Eagle and others is directly relevant to your needs. Not only can I design your PCB, but I can also assist in manufacturing and testing the prototypes through my collaborations with JLCPCB and PCBWay. This ensures a streamlined production process for you. Regarding the project itself, I'm well-versed with GSM communication modules and microcontrollers like the ESP32. Additionally, my knowledge of relay circuits and motor control makes me an ideal fit for the 12V motor control aspect of this project. My competence with RF sub-system design is an added advantage that could be valuable for any aspects related to signal interference or propagation. Lastly, what separates me from the rest is my commitment to bringing you the highest quality result within budget and on time. I understand the value of time in completing projects, therefore, I assure you efficiency without compromising quality. You can trust me with this project and I look forward to showcasing my skills further. Thank you for considering me for this opportunity!
$2,250 USD in 7 days
4.7
4.7

Best 12V Motor Control PCB Design Expert! ⭐⭐⭐⭐⭐ Hi Mustak, I can help you design a robust 12V motor control system powered by a 12V battery, incorporating GSM communication and relay-based motor switching controlled by an ESP32. With over 30 years of experience in PCB design, GSM integration, and power management, I’ll ensure your device is reliable, efficient, and ready for real-world deployment. ✅ 1. Valuable Suggestion: In my experience, careful power management and relay drive design are critical for stable operation and battery longevity, especially when combined with GSM modules that have high peak currents. ✅2. Relevant Work Samples: 1. Developed a microcontroller-driven wireless communication device operating in the 2.4 GHz ISM band with custom protocol handling and robust error correction. 2. Designed and tested a compact hardware-defined radio prototype with detailed documentation and iterative firmware updates. ✅ 3. What You’ll Get: a. Full schematic and PCB layout integrating ESP32, GSM module, relay control, and 12V power management b. Design optimized for low noise, reliable switching, and robust communication ✅ 4. Quick Questions: 1. Which GSM module do you plan to use or prefer? 2. Do you require onboard diagnostics or status LEDs? Please note: This platform doesn’t allow me to message first—you’ll need to initiate the conversation. Best regards, PCB Must Innovations
$2,000 USD in 12 days
6.4
6.4

Uskudar, Turkey
Payment method verified
Member since Sep 26, 2017
$15-25 USD / hour
$750-1500 USD
$250-750 USD
$15-25 USD / hour
$250-750 USD
$250-750 USD
£20-250 GBP
₹75000-150000 INR
$30-250 NZD
£18-36 GBP / hour
$750-1500 USD
$30-250 AUD
$400-450 USD
$10-30 USD
€750-1500 EUR
$2-8 USD / hour
$250-750 USD
$25-50 USD / hour
₹600-1500 INR
₹12500-37500 INR
$30-250 USD
$10-30 USD
₹600-1500 INR
€3000-5000 EUR
₹1500-12500 INR