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Digital electronic circuits are generally made from large assemblies of logic gates and simple electronic representations of Boolean logic functions to achieve desired output of digital values of a system based on input to that system.
Digital Electrical Engineers can assist you with your projects ranging in various levels of complexity.
Post your project for free and connect with skilled Digital Electronics Engineers ready to start today. Compare bids, ratings and portfolios, and only pay when you're happy with the work.
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Digital Electronics Engineers online
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7.4
7.4
100%

CHATTOGRAM, Bangladesh
$25 USD per hour
✋ Hi! this is Sukanta Mazumder. I have been working as a Professional PCB Designer and an Embedded System Expert for more than 6 years. I have been working in the field of Designing & Implementing : ☑️ Circuit , PCBs for both Commercial and Industrial purpose. ☑️ Microcontroller Based Projects. ☑️ IOT based automation Projects. ☑️ Projects Related to Robotics. ⚡I have completed my graduation in Electrical & Electronic Engineering (EEE). ⚡I have been collaborating on high complexity long-term projects with a variety of clients worldwide. ☑️ Through this profile, I Provide the Following Services: ✔ Schematic Design ✔ PCB Design (1/2/4/6/8 Layers) ✔ Gerber Export ✔ BOM Validation & Sourcing ✔ 3D CAD Design of PCB (.obj /.step) ✔ Reverse Engineering (PCB to New Schematic) ✔ Custom Symbol & Footprint from Datasheet ✔ Microcontroller Based PCB Design ✔ Writing code for the specific microcontrollers ☑️ I had implemented lots of Microcontroller based projects using Arduino, ATMEGA Series, STM32, ESP8266, ESP32, Nordic Semiconductor MCU nRF52, nRF53 Series. Some of them are: ✔Smart Power Meter ✔Smart Wheel Chair ✔Android App Based Automation Project ✔ PID based line follower ✔ Object detector for vision impaired person ✔ SMART Timer ✔Automatic Sow Seeding Robot ✔ IOT based Water and Power Consumption monitoring System ✔ Smart Multimeter with Oled display and so on ☑️ Here are my Industrial Projects: ✔ Industrial 3D Printer ✔ SSR Controller ✔ Stepper Motor Controller with STM32 ✔ 3 Phase Non Insulated AC to DC Conversion & Relay Control ✔ Power Distribution PCB for 3D Printer and so on. ☑️ I can also provide good quality Engineering Report service using: ✔ Latex Why You Should Hire me: : ☑️ On time delivery with Best quality for every project at reasonable rate ($) . ☑️ Assist On PCB Fabrication. ☑️ 100% Guarantee on Customer Satisfaction. ☑️ 24/7 Support After Project Completion (Free of Charge) So, what are you waiting for?? If you have any Idea and PCB Design related projects or any Microcontroller based projects give me a knock as early as possible. I assure you, an unforgettable great experience you are going to get.

7.5
7.5
98%

NORTH WEST DELHI, India
$40 USD per hour
Hello, I'm Sourabh Arora from Delhi, India with over 10 years of expertise in CAD and Design, I specialize in delivering high-quality design solutions across Engineering, Architecture, and Fashion industries. My experience and attention to detail ensure top-notch results tailored to your specific needs. Services I offer: ✔ Engineering Design & development services: - Concept sketches & Technical Drawings for manufacturing - 3D Modelling & Renderings - Assembly/ Instruction manuals ✔ Architectural Marvels: - Architectural, MEP & Structural drawings - Estimation & Costing/ BOQ preparation - 3D visualizations/ Walkthrough ✔ Electronics Mastery: - PCB Layouts, Schematics design - Embedded Systems & Firmware Development ✔ Fashion Designing: - Flat Sketches, Illustrations - Tech packs & Spec-sheets Client feedback showcases my attention to detail, commitment to quality, and excellent service. I focus on surpassing expectations in every project. Let's work together to boost your business!

7.5
7.5
88%

Çankaya, Turkey
$30 USD per hour
DearSir, My background is related with: -Digital Motor Control -Analog Design -Electronic Design -PowerElectronics -Renewable energy -PCB design -Embedded system -Matlab -Simulation of hardware For each concept descriptions are as follows: Digital Motor Control: -3-phase induction motor vector control drive -Flux estimation algoritm generation -DSP(TMS320) implementation on motor drive -Low speed application -Torque and speed loop generation -Control algoritms -BLDC motor -Step motor -DC motor Analog design -Low power distribution -Noissless special opamp based analog circuits -Analog filters -Orcad simulation of several circuits Electronic Design -RF transmitter and receiver -Bluetooh reade rand transmitter -Magneticreader PowerElectronics -Implementation motor drive -AC/DC converter -DC-DC converter -Battery charger -Solar inverter -Renewable Energy -Uninterruptle power supplies PCB design -Schematic design by Altium -PCB design by Altium -Power board design -SMPS board design -Easyeda -CAD files of manufacturers Embedded system -ESP32,ESP8266,modules -Bluetooth and Wifi -PIC18,PIC24,PIC30 and dsPIC applications -Ardino -MSP430 -Atmel -DSP(Texas Instruments) -Renesas -STM32 -C2000 Matlab -Power Electronics simulation -Motor drive -WindEnergy -Solar Energy -Control applications Simulation of Hardware -Orcad Simulation (TI,National, LinearTech, Maximlibraries) -LTI -National -Matlab -Easyeda

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!

8.0
8.0
97%

Mohali, India
$15 USD per hour
Hello! I'm Kirandeep Kaur, a creative Graphic Designer, CAD Designer, and 2D/3D Artist with 8+ years of experience delivering high-quality design solutions to clients worldwide. I help businesses and individuals turn ideas into professional, production-ready designs with a strong focus on quality, creativity, and timely delivery. Services : ● Graphic Design: Logo & Branding, Business Cards, Flyers, Brochures, Social Media Graphics, Packaging ● Photo Editing: Retouching, Background Removal, Color Correction, Image Enhancement ● Illustration: Vector Art, Character Design, Digital Illustration ● CAD & Product Design: Technical Drawings, Product Design, Manufacturing Drawings ● 3D Services: 3D Modeling, Rendering, STL/STEP/OBJ Files, 3D Printing Models ● Video Editing & Motion Graphics Software : ● Adobe Photoshop, Illustrator, InDesign, CorelDRAW, AutoCAD, Fusion 360, SolidWorks, Blender, 3ds Max, SketchUp. Why Choose Me? ✔ 8+ Years of Experience ✔ Professional Communication ✔ Fast Turnaround ✔ Attention to Detail ✔ High-Quality, Production-Ready Deliverables I am committed to delivering creative, accurate, and reliable design solutions that exceed client expectations. Best Regards, Creative Design50 Studio

8.8
8.8
98%

Kasur, Pakistan
$35 USD per hour
Mechanical Design Engineer with over 7 years of experience in product development, CAD modeling, and engineering analysis. Skilled in designing manufacturable components for consumer products, industrial equipment, and electromechanical systems. Proficient in SolidWorks, Fusion 360, and other CAD tools for creating production-ready models, assemblies, and technical drawings. Experienced in sheet metal design, plastic parts, 3D printing (FDM), and DFM principles to ensure efficient manufacturing and cost-effective production. Adept at translating concepts and sketches into functional, optimized designs through iterative prototyping and engineering validation. Known for delivering precise, practical engineering solutions while maintaining strong attention to detail, aesthetics, and real-world manufacturability.

7.7
7.7
97%

Gujranwala, Pakistan
$30 USD per hour
Welcome to my comprehensive service! i am a professional with expertise spanning Electrical Engineering, Data Science, Computer Science, Statistics, Data Analysis, Mathematics, Business Analysis, and Case Studies and every type of legal law and dedicated to empowering students and professionals to excel in these multifaceted domains. Profile Summary: ? Electrical Expertise: have a profound understanding of electrical engineering principles, from circuit analysis to power systems, ensuring a solid foundation for your electrical studies and also of structural and autocad drawing engineering and caluculations. Data Science Proficiency: specialize in data science, machine learning, and data analysis, providing guidance from basic concepts to advanced techniques that are essential in today's data-driven world. Computer Science Mastery: computer science tutor cover a wide range of programming languages and concepts, including algorithms, software development, and system design, giving you a holistic understanding of the field. Statistics and Data Analysis: excel in statistics and data analysis, helping you make sense of data, conduct meaningful research, and draw insightful conclusions medical billing and alaysis. Mathematics Excellence: mathematics offer comprehensive support in various mathematical topics, from calculus to linear algebra, enhancing your mathematical reasoning and problem-solving abilities. Business Analysis: bring business analysis expertise to the table, helping you understand business processes, identify opportunities for improvement, and make informed decisions. ? Case Study Proficiency: well-versed in case study analysis, providing guidance on dissecting complex business scenarios, conducting in-depth research, and presenting effective solutions. Our Approach: Customized Learning: tailor sessions to your unique requirements, ensuring that you gain a deep understanding of the subjects and their practical applications. Practical Application: emphasize real-world applications in teaching, allowing you to bridge the gap between theory and practice effectively. Results-Oriented: Your success is primary goal, and are committed to helping you achieve your academic and professional aspirations. Lifelong Learning: believe in continuous learning and stay updated with the latest developments in fields to provide you with the most relevant and cutting-edge knowledge. Whether you are a student aiming to excel in coursework, a professional seeking to enhance your skill set, or an individual passionate about learning more about these diverse fields, dedicated guides on this educational journey. Unlock your full potential with expert tutor and elevate your knowledge and skills across Electrical Engineering, Data Science, Computer Science, Statistics, Data Analysis, Mathematics, Business Analysis, and Case Studies and every type of legal laws and help. Contact today to embark on a transformative learning experience with me!

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. 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).

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.
A Digital Electronics Engineer designs, simulates, and tests digital circuits and systems built from logic gates, microcontrollers, FPGAs, and integrated circuits used in modern electronic products. From schematic capture and HDL coding to PCB layout and hardware verification, a freelance digital electronics engineer turns product requirements into working hardware ready for prototyping or mass production.
Digital electronics engineering sits at the core of every smart device, embedded system, and computing platform on the market. A freelance digital electronics expert translates functional specifications into circuit architectures, hardware description language code, and manufacturable boards. The commercial value is direct: faster prototyping cycles, fewer respins, lower bill-of-materials cost, and a product that meets timing, power, and reliability targets.
Typical engagements range from a single logic block written in Verilog to a full product design spanning processor selection, peripheral integration, firmware bring-up, and EMC-ready PCB layout. Clients hire on Freelancer.com for short feasibility studies, multi-month development sprints, or ongoing hardware support across product revisions.
A digital electronics engineer covers the full signal path from logic design to physical hardware. Common deliverables include:
Strong digital electronics specialists work fluently across EDA suites and verification environments. Expect proficiency in Altium Designer, KiCad, Cadence Allegro, OrCAD, Mentor PADS, Xilinx Vivado, Intel Quartus, ModelSim, MATLAB and Simulink for DSP modelling, LTspice for analogue co-simulation, and version control through Git. For embedded work, engineers commonly use Keil MDK, IAR Embedded Workbench, STM32CubeIDE, and PlatformIO, along with logic analysers, oscilloscopes, and JTAG debuggers during bring-up.
Digital electronics engineering supports a wide range of sectors. Common projects include consumer IoT devices, industrial automation controllers, medical instrumentation, automotive ECUs, robotics control boards, telecommunications equipment, defence and aerospace subsystems, audio and video processing hardware, and energy monitoring systems. Startups hire freelance digital electronics engineers to take a concept from block diagram to working prototype, while established manufacturers engage them for cost-down redesigns, obsolescence management, and new feature integration on existing platforms.
Look for an engineering degree in electronics, electrical engineering, or computer engineering, paired with demonstrated project work. Strong candidates show portfolio evidence such as schematics, PCB renders, FPGA project repositories, oscilloscope captures from bring-up, and documented test results. Verify proficiency in the specific EDA tool your project uses and confirm experience with the target device family, whether that is an STM32 microcontroller, a Lattice FPGA, or a custom ASIC interface.
Useful interview questions to ask:
Freelancer.com gives buyers access to a global community of hardware engineers, FPGA developers, embedded systems designers, and PCB layout specialists with verified profiles, ratings, and portfolios. Whether you need a single Verilog module, a complete IoT product design, or long-term hardware support, you can post a project on Freelancer.com and receive competitive bids within hours. Clients set their own budgets, compare proposals from engineers across multiple time zones, and use Milestone Payments to release funds only as agreed deliverables are met. The scale and diversity of freelancers on Freelancer.com means you can match the engineer to the technology stack, regulatory context, and industry your product targets.
Hiring the right digital electronics engineer comes down to writing a precise brief, reading bids critically, and verifying portfolio evidence against your technical requirements. The clearer you are about target devices, interfaces, and deliverable formats, the better the bids you will attract. The process below works equally well for a quick FPGA task or a full product development engagement.
The brief is the single biggest determinant of bid quality. A strong digital electronics brief names the target technology, expected interfaces, output formats, and any compliance constraints so that only genuinely qualified engineers respond. Head to the
Bids are short proposals, not just quotes. A strong digital electronics proposal shows that the engineer has read the brief, understands the target technology, and has a realistic plan for design, simulation, and verification. Read for technical depth and use Freelancer.com chat to ask clarifying questions before shortlisting.
The final decision combines proposal quality with profile evidence. For digital electronics work, look at portfolio depth across similar device families and interface speeds rather than a single impressive sample, and weigh client reviews that mention hardware that worked first time. Consistency matters more than peaks.
Timelines depend on scope. A single FPGA module or schematic review can be completed in days, while a full product design covering schematic, PCB layout, firmware bring-up, and prototyping typically runs from several weeks to a few months. Complex multi-board systems with high-speed interfaces or compliance testing take longer.
A digital electronics engineer focuses on the hardware itself, including logic design, FPGA development, and PCB design. An embedded systems engineer leans more toward firmware and real-time software running on that hardware. Many freelancers cover both disciplines, which is useful when a project requires tightly coupled hardware and firmware development.
Yes. Many clients engage freelancers specifically for schematic reviews, PCB layout audits, signal integrity checks, or design for manufacturability assessments before sending boards to fabrication. A short, well-scoped review often catches issues that would otherwise cause expensive respins.
Not usually. Most experienced freelancers maintain their own licences for Altium Designer, Vivado, Quartus, or other tools. Confirm tool ownership and file format compatibility before awarding the project so that final deliverables open cleanly in your in-house environment.
A freelancer is well suited to focused projects, prototypes, and specialist tasks where direct engineer-to-client communication speeds up iteration. Agencies suit very large multidisciplinary programmes. For most product development and consulting needs, a skilled freelance digital electronics engineer delivers faster and at a lower overhead.

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