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7.7
7.7
97%

Islamabad, Pakistan
$25 USD per hour
Hello, My name’s Saddam Gul, and I’m an Electronics Engineer who is highly educated and skilled in a plethora of different build and project types. I have operated as a freelancer for the past 6 years and have fantastic ratings from my past customers, as can be seen in the Ratings section of my profile. I have knowledge and experience with all of the following, which I offer as services to all my clients: • Analog and Digital Circuits Design • Circuit Schematic Design • PCB Layout Design • Circuit Simulations • Matlab Coding • Matlab Simulink Simulations • FPGA Verilog/VHDL Coding • C/C++, Java, and C# Coding • Electronics Circuit Prototype Development and Testing • Embedded System • Microcontroller Coding • IoT • Power Electronics • Digital Logics Design • Android and IOs App Development • Web App Development I am also an expert in these software tools but not limited to: Circuits and PCB layout designing Tools/Software 1- Altium Designer 2- Diptrace 3- Easyeda 4- Kicad 5- Circuit Maker Simulations Software 1- Matlab Simulink 2- Proteus 3- Logisim 4- PSIM 5- Multisim Programming Software 1- Arduino IDE 2- Dev C++ 3- Visual Studio 4- Maple 5- Code Composer Studio (CCS)" 6- Flutter I work 6 days a week, and am available at all hours during those days. All my work is guaranteed to be on time AND on budget, and I am always available to answer any questions or concerns you may have during the completion of your product. Any questions? Interested in working with me? Send me a message or hit the ‘Hire Me Now’ button and let’s get started!

7.6
7.6
98%

Lahore, Pakistan
$16 USD per hour
✋ Hi! I am an Electrical/Electronics Engineer. I am expert in ✅ Professional PCB design( EAGLE, ALTIUM, easyEDA, PROTEUS, KICAD) ✅ Arduino/ Microcontroller(Arduino IDE, Platform IO, MPLAB, MIKROCHIP, ETC) ✅ TFT and Touch screen designs (Nextion, Visual designer, Nuritake, layout designer) ✅ MATLAB/Simulink ✅ IOT Technologies (BLE, Wi-Fi, RF, GSM, GPS, ESP32/ESP8266, STM32, MQTT, BLYNK, CODE BLOCKS) ✅ Mobile App Development( IOS, Android) ✅ CIRCUIT SIMULATION (Pspice/LTspice/Proteus/Multisim) ✅ C++/C/Java/Python/Php ✅ 3D Designs (AutoCAD/ Solid works/FUSION 360) ✅ MATHS /DIGITAL ELECTRONICS expert I am very experienced and I am sure you will be satisfied with my work. So please reach out to me so that we can discuss your project in greater detail!

9.2
9.2
99%

Daska, Pakistan
$50 USD per hour
Live Experts LLC is a multidisciplinary technology company specializing in Engineering, AI/ML, Embedded Systems, IoT, and Automation Solutions for startups, businesses, and enterprises worldwide. With over a decade of technical delivery experience and hundreds of successfully completed projects, we help clients transform complex ideas into scalable, production-ready solutions that solve real business and operational problems. Our strength comes from combining software, AI, automation, electronics, and engineering expertise under one team. This allows us to handle both digital systems and real-world hardware projects with practical implementation experience. Our expertise includes: • Artificial Intelligence (AI) & Machine Learning (ML) • Generative AI & Conversational AI • AI Chatbots & AI Agents • Computer Vision & OCR Systems • Predictive Analytics & Data Intelligence • Workflow Automation & AI Integration • Embedded Systems & IoT Solutions • Arduino, ESP32 & Raspberry Pi Development • PLC, SCADA & Industrial Automation • Electrical & Mechanical Engineering Support • Sensor Integration & Smart Monitoring Systems • AI-Powered Dashboards & Business Platforms • Cloud APIs & System Integrations • Automation & Control Systems We work with modern technologies including: Python, OpenAI, ChatGPT, TensorFlow, OpenCV, Node.js, React, FastAPI, PostgreSQL, AWS, Docker, MATLAB, Arduino, ESP32, Raspberry Pi, PLC systems, and industrial automation platforms. What makes us different is our ability to bridge the gap between: AI + Automation + Embedded Systems + Engineering Many companies can build software. Others can build electronics. Very few can combine AI, automation, hardware, and engineering into complete intelligent systems that work in real business environments. We have experience working across: • Industrial Automation • Healthcare • Logistics & Fleet Systems • Manufacturing • Finance & Trading Systems • Smart Monitoring Systems • Operational Dashboards • IoT & Connected Devices • AI Business Solutions • Intelligent Automation Platforms Our development approach focuses on: • practical implementation • scalable architecture • clean UI/UX • reliable integrations • business-focused solutions • long-term maintainability • clear communication • premium execution quality Whether you need: • an AI-powered platform • an embedded IoT device • industrial automation • computer vision systems • AI automation workflows • predictive analytics dashboards • AI chatbots • sensor-based monitoring systems • electrical/mechanical engineering support • or a complete intelligent system Live Experts can help design, develop, and deploy reliable solutions tailored to your business goals. We believe in building long-term partnerships and delivering systems that create measurable operational and business value.

8.0
8.0
99%

RAWALPINDI, Pakistan
$25 USD per hour
Expert in PCB Design & Firmware Development | 20+ Years of Experience Hello My Name is Nouman With over 20 years of hands-on experience in electronics engineering, I specialize in delivering high-quality solutions in PCB design and firmware development. As the founder of Falcon Systems, I lead a team of professionals focused on transforming innovative ideas into production-ready electronic products. ? Core Expertise: High-performance multi-layer PCB design (analog, digital, mixed-signal) Firmware development for microcontrollers (ARM, PIC, AVR) in C/C++ End-to-end prototyping and design validation DFM (Design for Manufacturability) best practices for smooth production ? Why Choose Us: Proven success across consumer electronics, automation, and IoT Client-focused approach with a track record of timely delivery Strong commitment to quality, innovation, and long-term support Let’s collaborate to turn your electronic ideas into reality — with precision, performance, and reliability.

8.1
8.1
97%

SIALKOT, Pakistan
$50 USD per hour
Modular Solutions delivers advanced Engineering, AI/ML, Embedded Systems, and IoT solutions for startups, enterprises, researchers, and industrial clients worldwide. We transform complex ideas into production-ready systems — from AI platforms and automation tools to embedded hardware, enterprise software, industrial controls, simulations, and engineering designs. Our expertise combines Artificial Intelligence, Machine Learning, Computer Vision, Deep Learning, Data Science, Analytics, and Automation with strong software engineering capabilities in Python, C/C++, Java, C#, .NET, PHP, JavaScript, SQL, MATLAB, Simulink, and Linux-based systems. On the hardware side, we specialize in Embedded Systems, IoT Devices, FPGA/Verilog/VHDL, PCB Design, Raspberry Pi, Arduino, ARM development, RF systems, electronics, firmware, industrial automation, sensor integration, DSP, and hardware/software interfacing. We also provide Mechanical, Electrical, Civil, and Structural Engineering services including AutoCAD, Civil 3D, SolidWorks, CAD/CAM, Product Design, 3D Modelling, Simulation, Renewable Energy systems, and technical feasibility analysis. Our experience includes: • AI-powered analytics and automation platforms • Facial Recognition and OpenCV systems • Enterprise SaaS and backend platforms • Industrial automation and control systems • FPGA and embedded hardware development • MATLAB/Simulink modeling and simulation • IoT evaluation and sensor systems • CAD drafting and engineering design • Unity 3D and simulation applications • Data analytics and statistical analysis • Research, technical writing, and documentation We also support clients with Project Management, Business Analysis, Finance, Accounting, Bookkeeping, QuickBooks reconciliation, Reporting, Scientific Research, Research Writing, Technical Writing, and enterprise consulting. Our technical stack and domains include: AI & Machine Learning | Deep Learning | Neural Networks | Computer Vision | OpenCV | Data Science | Big Data | Statistical Analysis | SPSS | R Programming | Python | MATLAB | Simulink | Algorithm Development | Data Mining | Text Mining | C Programming | C++ | Java | C# | PHP | JavaScript | SQL | .NET | Software Architecture | Linux | Web Development | Electronics | Electrical Engineering | FPGA | Verilog/VHDL | Embedded Systems | IoT | Arduino | Raspberry Pi | ARM | PCB Design | RF Communications | DSP | CAD/CAM | AutoCAD | SolidWorks | Mechanical Engineering | Civil Engineering | Structural Engineering | Product Design | 3D Modelling | Unity 3D | Technical Writing | Research Writing | Project Management | Finance | QuickBooks | Business Analysis Clients choose Modular Solutions for strong communication, fast execution, technical depth, and the ability to solve complex engineering and software challenges under tight deadlines. We focus on delivering reliable, scalable, and production-ready solutions tailored to each client’s goals.

7.0
7.0
95%

Peshawar, Pakistan
$30 USD per hour
✋ Hi, I’m Mairaj Ali, a verified Electrical/Electronics Engineer and Professional PCB Designer with over 8 years of experience in designing high-quality circuit boards using Eagle, Altium, KiCAD, and EasyEDA. Also I am a professional Certified EasyEDA designer (Certificate is attached in portfolio section). My expertise lies in the following areas: ✅ PCB Design & Prototyping using Eagle, Altium, KiCAD, EasyEDA ✅ CAD/Housing Design for PCBs in Fusion360 ✅ MATLAB/SIMULINK & Python programming ✅ Embedded Systems design (Arduino, AutoCAD, Multisim, Proteus, LTspice, PSpice, C/C++) ✅ VHDL/Verilog HDL, Xilinx, and FPGA development ✅ Research & Technical Writing (Plagiarism Removal, Academic Writing, and Thesis Writing) ✅ Advanced Engineering Mathematics (Calculus, Differential Equations, Numerical Methods, Linear Algebra) ✅ Expertise in LaTeX for high-quality document formatting I am a Preferred Freelancer, ranking among the top 1% of skilled professionals. My passion for PCB design and embedded systems drives me to deliver the best solutions on time and within budget. Whether you're looking for custom PCBs, embedded solutions, or writing services, I can help you achieve your goals. Let’s turn your ideas into reality. Feel free to check my portfolio and message me to discuss your project anytime – I’m available 24/7. #PCB #PCB_designing #Electrical #Electronics #ElectricalEngineering #MATLAB #SignalProcessing #Mathematics #Latex #AutoCAD

6.0
6.0
96%

Taxila, Pakistan
$20 USD per hour
Overview: Top Rated Plus | 100% Job Success | FDA-Compliant Hardware Specialist Need production-ready IoT hardware in weeks, not months? I architect and build scalable, energy-efficient embedded systems. With 50+ successful projects, I take you from concept to mass production—handling schematic design, PCB layout, firmware, and cloud integration. Why Clients Hire Me: I don't just write code; I ensure your hardware is manufacturable and your system is profitable. Whether you need a low-power medical wearable or an industrial sensor network, I deliver commercial-grade solutions. ✅ MY SPECIALIZED SERVICES 1. Wearable Tech & Medical Devices (FDA Compliance focus) Medical: ECG monitors, Health Sensors, Thermoelectric Coolers. Optimization: Ultra-Low Power strategies (nRF52, ESP32) for 3x battery life. Design: Flexible/Rigid-Flex PCBs for wrist-worn ergonomics. Algorithms: Biomedical Signal Processing & AI integration. 2. Custom PCB Design & Rapid Prototyping *Tools: Altium Designer, KiCad, Eagle, Fusion 360. *Complexity: Multi-layer (4-12+ layers), Impedance Control, High-Speed Design. *DFM/DFA: Design for Manufacturing optimization to prevent costly production errors. *RF/Wireless: Antenna tuning for BLE, LoRa, Zigbee, and Cellular. 3. Firmware & Edge AI (TinyML) *Languages: C/C++, Python (MicroPython/CircuitPython), Rust. *AI on Chip: Running TensorFlow Lite/Edge Impulse on microcontrollers for vibration analysis, voice recognition, and anomaly detection. *Connectivity: MQTT, HTTPs, WebSockets, AWS IoT, Google Cloud. 🏆 RECENT PROJECT WINS *AI-Powered Sports Tracker: Developed a TinyML swing analyzer on ESP32. Result: 98% Accuracy via CNN model; accelerated client launch by 3 months. *Thermoelectric Wrist Cooler: Engineered nRF52840 wearable with flexible PCB. Result: Extended battery life by 200% through deep-sleep optimization. 🛠️ TECHNICAL STACK *Microcontrollers: ESP32 (S3/C3), STM32 (U5/H7/F4), nRF52840, Raspberry Pi (CM4), Arduino. *Firmware/OS: FreeRTOS, Zephyr, Bare-Metal, Embedded Linux. *Sensors: Accelerometers (IMU), Biosensors (PPG/ECG), Environmental (BME680). *Communication: BLE 5.0, WiFi, LoRaWAN, LTE-M/NB-IoT, CAN Bus, I2C, SPI, UART. 🤝 MY PROMISE TO YOU *Speed: Same-day response guarantee (usually within 6 hours). *Clarity: Weekly video demos and milestone reports. *Security: Full IP protection and documented, version-controlled code (Git). *Support: 90-Day Bug-Free Warranty on all delivered code/hardware. 🔥 Ready to build? Click the green "Invite" button. Let's schedule a brief 15-minute chat to assess the technical feasibility of your idea.

8.7
8.7
100%

Islamabad, Pakistan
$35 USD per hour
I am a dedicated Electrical Engineer with a Master’s in Embedded Systems, specializing in firmware development, PCB design, and complete IoT product engineering. From concept to market-ready product, I deliver robust embedded solutions that combine hardware, software, and intelligent connectivity. Core Expertise -> Microcontrollers & Embedded Systems: STM32, ESP32, TI Tiva, C2000, MSP430 (Texas Instruments), NXP LPC & i.MX RT, Nordic nRF52/nRF53, Microchip PIC32 & dsPIC, Raspberry Pi, and Arduino. -> Firmware Development: Embedded C/C++, RTOS, DMA, peripheral drivers, wireless stacks (BLE, Wi-Fi, LoRa, Zigbee). -> PCB Design & RF Hardware: Professional PCB layouts using Altium Designer, KiCad, Eagle, EasyEDA and Target. Specialized in RF, IoT, and high-speed boards. -> FPGA Development: Verilog/VHDL for signal processing, hardware acceleration, and high-performance digital systems. -> AI, Machine Learning & Deep Learning: Intelligent algorithms for edge devices, control, and data analysis. -> Robotics & Control: Robotic platforms, precision motor control (FOC, PID), and industrial automation. -> Biomedical Instrumentation: Embedded systems for healthcare and diagnostic devices. -> CAD & Mechanical: 3D CAD modeling for custom housings and production-ready enclosures. Industrial Automation: PLC, SCADA, HMI and DCS integration, including OPC UA/DA, Modbus, tag monitoring, remote commands and Windows-based control applications. Full Product Development Workflow From Idea → Prototype → Final Product System Architecture & Schematics Firmware Development (optimized embedded coding & drivers) PCB Design (multi-layer, RF, low-power, IoT-ready) AI/ML Integration (edge computing & analytics) IoT Connectivity (MQTT, APIs, BLE, Wi-Fi, LoRa, Zigbee) Web & Mobile App Development (real-time dashboards & control apps) Mechanical CAD (3D modeling & enclosures) Software Development Web Applications: Cloud dashboards, real-time monitoring, secure APIs, SaaS platforms. Mobile Applications: Cross-platform IoT control, monitoring, and productivity apps. IoT Communication: Secure & scalable device-to-cloud pipelines (MQTT, REST, WebSockets). Trading & FinTech: Algorithmic trading systems, exchange integrations (Binance, TradingView APIs). Game Development: WebGL, HTML5, Unity3D, 3ds Max, Maya, Unreal Engine 4/5, Godot. Emerging Tech: Blockchain & Web3 apps, AI-powered platforms, cloud-native solutions (AWS, Azure, GCP).

10.0
10.0
97%

Lahore, Pakistan
$50 USD per hour
ZAWN Tech is a full-service IT & Engineering company founded in 2014, delivering complete digital and hardware solutions for startups and enterprises worldwide. We operate with an in-house team of specialized developers, designers, marketers, and engineers across multiple domains, allowing us to handle both software and embedded engineering projects with proven real-world experience. Our certified team combines deep technical knowledge with hands-on delivery to build fast, secure, scalable, and user-friendly solutions. Core Expertise Web & SaaS Development: Full-stack development using PHP, WordPress, Python, React, Node.js, Angular.js, Electron.js, Laravel, Django, and Next.js. Integration with Odoo, Bubble.io, Zoho, Webflow, and custom business platforms. Website Design & UI/UX: Website Design, Web Design, Web Development, Graphic Design, Logo Design, User Interface (UI) Design, User Experience (UX) Design, Wireframing, Prototyping, Responsive Design, HTML/CSS, Squarespace, Landing Pages, and conversion-focused business websites. eCommerce: Shopify, WooCommerce, Magento, Amazon, and custom marketplace platforms with payment, shipping, ERP, and inventory integrations. Blockchain: Metaverse, Web3, NFTs, NFT Games, Smart Contracts, Arbitrage & Sniper Bots, DEX / DApp Development (Ethereum, BSC, Polygon, Solana, WAX). Mobile Apps: Native and cross-platform development (Flutter, React Native, Android, iOS). AI & Computer Vision: Machine Learning, Chatbots, GPT integrations, TensorFlow, OpenCV, OCR systems, automation, and intelligent business solutions. Game Development: Unity 3D, Unreal Engine, WebGL, multiplayer games, blockchain gaming, and AR/VR experiences. Hardware & IoT (In-house Team): Electronics, Microcontrollers, PLC & SCADA, Electrical Engineering, Embedded Systems, Automation, Arduino, Raspberry Pi, ESP32, MATLAB, robotics, and control systems. Trading EA, Bots & Automation: MQL, MT4/MT5, TradingView, Binance, IBKR, algorithmic trading systems, indicators, EAs, and trading bots. Enterprise & Business Solutions: CRM systems, ERP platforms, Odoo customization, Salesforce, Microsoft Dynamics 365, SharePoint, Power BI, Power Apps, workflow automation, business process optimization, reporting dashboards, inventory management, data processing, business intelligence, and enterprise software integrations. Digital Marketing & SEO: Search Engine Optimization (SEO), Technical SEO, Keyword Research, Content Strategy, Social Media Marketing, Email Marketing, Website Optimization, Analytics, Brand Management, Content Creation, and digital growth strategies. Customer Support : Customer Support, Customer Service, Virtual Assistant Services, Call Center Operations, Telemarketing, VoIP Solutions, Asterisk, PBX , SIP With 300+ recommendations and over a decade of experience, we turn complex ideas into reliable, production-ready solutions delivered with clear communication, transparent processes, and long-term support.
An Arduino engineer is an embedded systems specialist who designs, programs, and prototypes electronic devices using the Arduino microcontroller platform and its ecosystem of shields, sensors, and libraries. Hiring a freelance Arduino engineer gives you fast access to hardware-software integration skills for IoT devices, robotics, automation, and product prototyping without the overhead of a full-time embedded team.
Arduino developers turn an idea or a circuit sketch into working firmware running on real hardware. They write C and C++ code for the Arduino IDE, design supporting circuits, integrate sensors and actuators, and validate the build through bench testing and iterative prototyping. The commercial value is speed: a skilled Arduino consultant can move a concept from breadboard to functional prototype in days rather than weeks, which compresses product development cycles and reduces the cost of validating ideas before committing to custom PCB manufacturing.
Typical deliverables from an Arduino freelancer include:
Strong Arduino experts work fluently across the official board family and the wider compatible ecosystem. Expect proficiency with the Arduino Uno, Mega, Nano, Leonardo, and Due, along with the MKR series for IoT projects and the Nano 33 BLE for wireless and machine learning workloads. Many projects also call for closely related microcontrollers that use the same toolchain, including the ESP32, ESP8266, and Teensy.
On the software side, look for hands-on experience with:
Arduino engineering is used wherever low-cost, low-power microcontrollers can collect data or control physical hardware. Common engagements come from:
The strongest Arduino developers combine firmware skill with practical electronics knowledge. They can read a datasheet, choose the right voltage regulator, debug a noisy sensor signal with an oscilloscope, and write firmware that survives power cycles in the field. A formal background in electrical, electronic, or mechatronic engineering is common but not required if the portfolio shows depth.
When reviewing candidates, look for:
Useful interview questions to copy and use:
Freelancer.com hosts a global community of embedded systems developers, electronics designers, and IoT specialists with verified Arduino experience. You can compare freelancers across regions, review past project history, and shortlist candidates whose portfolios match your specific board, sensor, or industry. Clients on Freelancer.com set their own budgets and receive competitive bids, which means you control the commercial parameters while the platform handles the matching.
Freelancer.com also supports the engagement end-to-end with built-in chat, file sharing, and Milestone Payments that release funds only when agreed deliverables are accepted. For hardware projects where firmware, schematics, and physical prototypes change hands across borders, that structure protects both sides.
Ready to move your hardware idea from concept to working prototype?
Hiring an Arduino engineer works best when the brief is concrete enough for freelancers to size the work accurately. Hardware projects depend on specific sensors, boards, communication protocols, and physical constraints, so the more precision you provide upfront, the faster you reach a usable prototype. The process below moves from posting your brief to awarding the project.
The project brief is the single biggest factor in bid quality. A clear description filters out generic responses and attracts Arduino developers whose hardware and firmware experience genuinely match what you need. Head to the
Bids on Arduino projects are short proposals, not just price quotes. Strong proposals show that the freelancer has read the brief, understood the hardware and firmware challenges, and thought through how to approach them. Read each bid carefully and shortlist candidates whose interpretation of the work matches your intent.
The award decision combines proposal quality with profile evidence. For Arduino work, consistency across past hardware projects matters more than a single impressive demo, because embedded projects expose engineers to a wide range of debugging and integration problems over time. Review each shortlisted profile carefully before awarding.
A simple sensor or controller prototype with off-the-shelf modules can be delivered in one to two weeks, including firmware and a wiring diagram. Projects involving custom PCBs, certification, or production-ready enclosures usually run several weeks to a few months because they include design iterations, board fabrication lead times, and field testing.
Yes. Many Arduino projects on Freelancer.com are one-off prototypes built to validate an idea, support a research paper, or demonstrate a concept to investors. You can scope a single deliverable, agree on milestones, and close out the engagement once the prototype meets the brief.
An Arduino engineer specializes in the Arduino ecosystem and its rapid-prototyping toolchain, which is ideal for proofs of concept and small-scale production. An embedded systems engineer covers a broader range of microcontrollers, RTOS environments, and production-grade firmware practices. Many freelancers do both, and the right choice depends on whether you need a quick prototype or a hardened product ready for mass manufacturing.
If you need firmware, sensor integration, and a working prototype, hire an Arduino engineer. If you already have validated firmware and need only a manufacturable circuit board, a dedicated PCB designer is the better fit. Many Arduino freelancers offer both, so a single hire can often carry the project from prototype through PCB layout.
Yes, source code, schematics, wiring diagrams, and bill of materials are standard deliverables. Confirm intellectual property ownership in the project brief so the handover and rights transfer are explicit before work begins.

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