Hire the best freelance Microcontrollers expert designers for your company

R&D / Electromechanical Engineer / Product & Prototype Development / Mechanical, Electronics, PCB & Software Design / Inventor – Turning Innovative Ideas into Real Devices / Open to Full-Time or Contr... Read more

R&D / Electromechanical Engineer / Product & Prototype Development / Mechanical, Electronics, PCB & Software Design / Inventor – Turning Innovative Ideas into Real Devices / Open to Full-Time or Contract Roles

I am a Mechanical Engineer with a specialization in Mechatronics and Product Development, focused on turning ideas into functional prototypes and technology products. My work combines CAD design, Fus... Read more

I am a Mechanical Engineer with a specialization in Mechatronics and Product Development, focused on turning ideas into functional prototypes and technology products. My work combines CAD design, Fusion 360, 3D printing, electronics, embedded systems and software development. I enjoy working across disciplines, from designing functional mechanical parts and electronic enclosures to integrating ESP32 microcontrollers, sensors, batteries and connected applications. I have developed complete prototypes involving ESP32-based electronics, Hall and PVDF sensors, Bluetooth Low Energy (BLE), custom 3D-printed components and Flutter mobile applications. I have also designed functional CAD parts including electronic enclosures, threaded assemblies, modular systems and components optimized for FDM 3D printing. My main areas of work include: • Product development and prototyping • Fusion 360 and parametric CAD • Electronic enclosures and functional parts • Design for 3D printing / FDM • Mechanical fit, tolerances and assemblies • ESP32, sensors and embedded electronics • IoT and BLE-connected products • Flutter mobile and desktop applications I am particularly interested in projects where a client has an idea, sketch, electronic prototype or PCB and needs help transforming it into a practical, well-designed physical product.

I am a multidisciplinary engineer specializing in the integration of mechanical design, electronics, and software development to deliver complete, real-world engineering solutions. With a strong found... Read more

I am a multidisciplinary engineer specializing in the integration of mechanical design, electronics, and software development to deliver complete, real-world engineering solutions. With a strong foundation across these domains, I bring a systems-level perspective that allows me to design, prototype, and implement projects from concept to deployment. On the mechanical side, I have extensive experience in CAD design, product development, and manufacturing-ready solutions. I focus on creating efficient, practical designs that consider real-world constraints such as materials, fabrication methods, and cost optimization. In electronics, I work with embedded systems, PCB design, and hardware integration. I am comfortable developing schematics, selecting components, and ensuring reliable communication between hardware and control systems. On the software side, I develop firmware and control logic for embedded devices, as well as higher-level applications for automation, data acquisition, and system monitoring. I have experience working with microcontrollers, PLCs, and industrial communication protocols, enabling seamless integration between hardware and software systems. What sets me apart is my ability to bridge these disciplines. Instead of treating mechanical, electrical, and software components separately, I design them as a unified system—resulting in more robust, efficient, and scalable solutions. I have worked on projects ranging from industrial automation and embedded systems to custom machinery and prototyping. I collaborate effectively with cross-functional teams, including mechanical engineers, electrical engineers, and software developers, ensuring smooth communication and successful project delivery. If you are looking for someone who can take ownership of a project end-to-end, reduce complexity, and deliver practical engineering solutions, I would be glad to help bring your ideas to life.

I design electronic products, combining PCB design, embedded hardware and enclosure development. Main focus is helping to design products that are ready for manufacturing and real usage. I am student... Read more

I design electronic products, combining PCB design, embedded hardware and enclosure development. Main focus is helping to design products that are ready for manufacturing and real usage. I am student of Faculty of Electrical Engineering, where I learned and worked with software for designing and simulating semiconductor components, such as diodes, MOSFETs etc, as well as PCB design, embedded programming and embedded hardware development. Also, I have experience in jobs in the profession as I worked as R&D engineer, where my main focus was embedded programming and hardware development and as test engineer, where my main focus was to test electronic devices on various tests that aligns with test that are done in certification houses to check if devices would pass those certification house test and internal standards, such as EMI, resistance to electrical disturbances and many more. My portfolio includes: -various development boards (with STM32 and ESP32 microcontrollers); -USB 2.0 Hub with 4 outbound USBs, with full enclosure design; -Clock project with RP2040 microcontroller, light sensor, addresable LEDs, with full enclosure design; -ESP32 IoT project - includes relay, LED driver, humidity and temperature sensor, GPIO pins for additional peripherals; -Buck Converter - 9-36V input to 5V output with main focus on automotive compatible components. Skills I gained over the years while studying and working on jobs in the profession are: -PCB (Schematic, Layout) Design; -Embedded Hardware Design; -Microcontroller-Based Systems (STM32, ESP32, RP2040); -Power Supply Design; -Enclosure Design; -Prototype Development; -DFM; -Product Integration; -Hardware Debugging. Software I am skilled in: -Altium Designer; -KiCad; -EasyEDA; -Solid Edge; -LTSpice.

I help product developers and small businesses turn electronic concepts into practical, manufacturing-ready PCB designs. My capabilities include schematic capture, component selection, PCB layout, de... Read more

I help product developers and small businesses turn electronic concepts into practical, manufacturing-ready PCB designs. My capabilities include schematic capture, component selection, PCB layout, design review, and production-file preparation using KiCad, EasyEDA, and Fusion 360 Electronics. I specialise in ESP32 and microcontroller-based hardware, IoT devices, sensor interfaces, communication circuits, control systems, and power-supply integration. I have hands-on experience taking designs beyond the CAD stage, including ordering assembled PCBs, testing prototypes, troubleshooting hardware, and improving designs based on real test results. My services include: • Schematic capture and PCB layout • ESP32 and embedded-hardware design • PCB review and design improvement • Component selection and BOM preparation • Gerber, drill, pick-and-place, and assembly files • Design-for-manufacturing checks • Prototype troubleshooting and revision I prioritise clear communication, practical engineering decisions, component availability, manufacturability, and organised project documentation. If you have a product idea, existing schematic, or PCB that needs improvement, send me your requirements and I will assess the most effective path forward.

Mechatronics engineering. Mechanical engineering and CAD specialist. Part modeling, machine and electro-mechanical system design. Gadget design and programming. Cnc machine design(mills, automatic... Read more

Mechatronics engineering. Mechanical engineering and CAD specialist. Part modeling, machine and electro-mechanical system design. Gadget design and programming. Cnc machine design(mills, automatic welders, drills, plotters, 3D printing, lathes) Convert pdf, jpg to technical drawings and 3D models. I am actively programming microcontrollers for the past 5 years(c, c++, java, python). PLC programming and automatisation. I have been an active member of some national projects: Montenegrin Wearable Robots Formula Student Montenegrin Autonomous Vehicles In these projects my role was designing electro-mechanical systems, 3D/2D/tehnical drawing, microcontroller programming.. My finishing project on faculty was cnc plotter machine, with A3 format of drawing/writing. Currently, I am working on 5 axis cnc metal milling machine for my master thesis.

Mechatronics Engineer | 3D CAD Design for IoT Enclosures & Automation Systems I am a Mechatronics Engineer specializing in mechanical design for IoT devices, embedded enclosures, and automated manufac... Read more

Mechatronics Engineer | 3D CAD Design for IoT Enclosures & Automation Systems I am a Mechatronics Engineer specializing in mechanical design for IoT devices, embedded enclosures, and automated manufacturing systems. With hands-on expertise across both mechanical CAD and hardware integration, I build precision models optimized for production and 3D printing. Core Skills & Services: + IoT & Embedded Enclosures: Custom housings for ESP32, microcontrollers, displays, speakers, and sensors with accurate port openings, snap-fits, and fastener standoffs. + DFM & Prototyping: Clearance and tolerance optimization for FDM/SLA 3D printing, CNC machining, and sheet metal fabrication. + Industrial Layouts & Simulation: 3D assembly mechanisms, kinematic motion studies, and complete 2D production/layout drawings (STEP, DWG, PDF). Software: Autodesk Inventor, Fusion 360, Bambu Studio. Highlighted Projects: + STEM AI Voice Assistant Device (ESP32-Xiaozhi): Designed a 3D-printable functional casing with speaker/mic acoustics, precise component alignment, and snap-fit assembly. + 90-Degree Transfer Sorting Conveyor: Developed parametric assembly models and motion simulation videos to validate timing, sorting dynamics, and mechanical clearances. + Automated Product Assembly System: Delivered full system GA layout drawings, pneumatic actuator positioning, and fabrication-ready 2D drafting packages. Send over your PCB files, dimensional requirements, or initial concept sketches to get started.

Final-year Bioengineering student with experience in designing and developing custom electronic devices, mechanical prototypes, and 3D printed parts. Skilled in CAD design, electronics, microcontrolle... Read more

Final-year Bioengineering student with experience in designing and developing custom electronic devices, mechanical prototypes, and 3D printed parts. Skilled in CAD design, electronics, microcontrollers, and signal processing. Projects include EMG-based hand gesture recognition, chiller system design, and custom sports/rehabilitation equipment. Detail-oriented, creative, and committed to delivering accurate, functional, and client-focused solutions.

Hello, Everyone! I am an embedded systems engineer, PCB designer, and firmware developer with over 10 years of professional experience. I provide complete, end-to-end solutions for a wide range of ele... Read more

Hello, Everyone! I am an embedded systems engineer, PCB designer, and firmware developer with over 10 years of professional experience. I provide complete, end-to-end solutions for a wide range of electronic device designs, supporting clients from initial concept and schematic design to PCB layout, prototyping, assembly, and full system testing. I have strong expertise in high-speed PCB design, including PCIe and DDR4 routing, as well as precise impedance matching for reliable performance at high frequencies. I also specialize in RF and antenna design for modern IoT devices, ensuring optimal signal integrity and system efficiency. In addition, I have deep experience in ultra-low power design, achieving microamp and sub-microamp current consumption for battery-operated and wearable systems. I specialize in firmware development for LTE-GPS-LoRa-BLE-based embedded systems (nRF52 series), including low-power optimization and high-precision sensor acquisition. My focus is on delivering robust, production-ready solutions with high reliability and performance. 🔥 Main Skills 👉Embedded Systems 👉Schematic Circuit Design(Low Power consumption Design) 👉Firmware Development(All Microcontrollers-STM32, TMS320, ESP32, FPGA, nRF52, Raspberry PI) 👉PCB Design(High speed signal routing, PCIe, DDR4, 18 multi-Layers Design, RF antenna Design,) using Altium Designer, KiCad, EasyEDA, Fusion 360(No problem in DFM-JLCPCB) 👉IoT with nRF52(BLE), LoRa(for example, SX1262), LTE(SIM card interface), GPS and other variety of sensors 🛠️Tools & Technologies: 👉 nRF5 SDK / nRF Connect SDK 👉SEGGER Embedded Studio + J-Link debugging 👉 C/C++ (bare-metal & RTOS) 👉 BLE GATT, LTE AT commanders, custom wireless protocols 👉SPI / I2C / UART / ADC integration 👉Low-noise measurement systems (nA level) 👉STM32CubeIDE, Cube MX, Keil, CCS, Arduino, ... 👉MQTT, Free RTOS, Zephyr RTOS 🚀 I can support your project from concept to production.

I'm a product designer, maker, and entrepreneur specializing in turning creative ideas into real, functional products. My work focuses on toy and collectible design, scale models, mechanical assemblie... Read more

I'm a product designer, maker, and entrepreneur specializing in turning creative ideas into real, functional products. My work focuses on toy and collectible design, scale models, mechanical assemblies, and custom products for 3D printing. I work across the entire product development process, from early concepts and CAD modeling through prototyping, testing, refinement, and small-batch production. I particularly enjoy projects that combine creative design with practical engineering challenges, whether that's developing an action figure vehicle, designing a functional mechanism, creating an architectural scale model, or integrating electronics into an interactive product. My experience includes: - **Toy & Collectible Design:** Action figure vehicles, playsets, accessories, articulated components, and detailed scale models. - **3D CAD & Product Development:** Custom parts, mechanical assemblies, enclosures, and designs optimized for additive manufacturing. - **Rapid Prototyping:** In-house 3D printing, physical assembly, functional testing, and iterative design improvements. - **Electronics Integration:** LED lighting, microcontrollers, sensors, audio systems, and interactive features. - **Scale Models & Displays:** Architectural models, miniature environments, presentation models, and custom display pieces. - **Product Commercialization:** Experience developing original products, managing production, and selling directly to customers. Beyond design and fabrication, I bring an MBA and a background in entrepreneurship, business management, and engineering education. Having developed and sold my own products, I understand the importance of balancing creativity, functionality, production costs, and customer expectations. I enjoy working with inventors, entrepreneurs, toy companies, design studios, and businesses that need a reliable creative partner to bring their ideas to life. **If you have an idea for a product, toy, model, or prototype, I'd love to help you make it real.**

(Mechanical CAD Engineer | SolidWorks | AutoCAD | Fusion 360 | Creo | Inventor | 3D Modeling | Product Design | Reverse Engineering | Manufacturing Drawings) Looking for a Mechanical CAD Engineer w... Read more

(Mechanical CAD Engineer | SolidWorks | AutoCAD | Fusion 360 | Creo | Inventor | 3D Modeling | Product Design | Reverse Engineering | Manufacturing Drawings) Looking for a Mechanical CAD Engineer who can transform your concept into a production-ready design? I provide professional Mechanical CAD and Product Design services for startups, inventors, manufacturers, engineering firms, and businesses that need precise, manufacturable CAD models and technical documentation. Whether you have a rough sketch, hand drawing, PDF, image, or an existing model that needs improvement, I can deliver accurate engineering solutions tailored to your project. Using industry-leading software including SolidWorks, AutoCAD, Fusion 360, PTC Creo, and Autodesk Inventor, I create high-quality 2D drawings, 3D CAD models, assemblies, engineering documentation, and manufacturing files that are ready for fabrication, CNC machining, laser cutting, injection molding, or 3D printing. Services I Offer: ✔ Mechanical Design ✔ 2D CAD Drafting ✔ 3D CAD Modeling ✔ Product Design & Development ✔ Reverse Engineering ✔ Manufacturing Drawings ✔ Assembly Design ✔ Exploded Assembly Drawings ✔ Engineering Drawings ✔ Technical Documentation ✔ Machine Part Design ✔ Industrial Product Design ✔ Sheet Metal Design ✔ Surface & Solid Modeling ✔ Parametric CAD Modeling ✔ Prototype Design ✔ Design for Manufacturing (DFM) ✔ Bill of Materials (BOM) ✔ CAD File Conversion ✔ PDF/Image/Sketch to CAD ✔ STL, STEP, IGES, DWG & DXF File Creation ✔ 3D Printing Files ✔ CNC Manufacturing Drawings ✔ Product Rendering & Visualization Software Expertise: • SolidWorks • AutoCAD • Autodesk Fusion 360 • Autodesk Inventor • PTC Creo • CATIA • Siemens NX • Blender • KeyShot Why Choose Me? ✔ Manufacturing-ready CAD models ✔ Accurate dimensions and GD&T where required ✔ Clean, organized engineering files ✔ Fast communication and regular updates ✔ High attention to detail ✔ Support from concept to final production ✔ Reliable turnaround and on-time delivery Whether you need a single mechanical component, a complete product assembly, reverse engineering of an existing part, or detailed manufacturing documentation, I deliver accurate, functional, and production-ready designs that meet industry standards. Let's turn your idea into a professional engineering solution.

Electrical Engineering Professional with over 3 decades of experience in the System-Level Architecture and Design of Radio Frequency (RF / Microwave / mmWave), Power Conversion (Linear and SMPS), Anal... Read more

Electrical Engineering Professional with over 3 decades of experience in the System-Level Architecture and Design of Radio Frequency (RF / Microwave / mmWave), Power Conversion (Linear and SMPS), Analog Mixed-Signal, Quantization and Linearization, Phase Lock Loops (PLLs) and Servo Control Systems, Motion-Control (Robotics), Digital Logic (FPGAs) and State Machines, Embedded (MCU, CPU, GPU, DSP, SoC), Electro-Magnetics (EMC), Electro-Optical (Video delivery, Displays, High Resolution Visible / IR / UV Cameras), and Electro-Mechanical disciplines for Space, Aerospace, Military, Defense, Aviation (Avionics), Medical, Marine, Automotive, Locomotive, Transportation, Industrial, Consumer, Wearables, Commercial, High Performance Computing, Data Communications, LAN/SAN/WAN, Telecommunication, Wireless Charging & IoT Sensors, Radio, Broadcast, and Motion Picture industries

Mechanical CAD Engineer specializing in SolidWorks product design, Design for Manufacturing (DFM), and basic PCB layout in KiCad. I turn concepts, sketches, and rough ideas into precise, production-re... Read more

Mechanical CAD Engineer specializing in SolidWorks product design, Design for Manufacturing (DFM), and basic PCB layout in KiCad. I turn concepts, sketches, and rough ideas into precise, production-ready 3D models, assemblies, and custom electronics enclosures. Core Technical Expertise: • 3D Modeling & Assemblies: Functional mechanical components, complex assemblies, and 2D engineering drawings (ISO/ANSI standards). • Design for 3D Printing (DFAM / FDM): Enclosures and structural components optimized for FDM/SLA printing with proper tolerances, snap-fits, heat-set inserts, and minimal support requirements. • Sheet Metal & CNC Design: Brackets, housings, enclosures with accurate bend allowances, K-factor calculation, and clean DXF exports for laser cutting. • PCB Design & Electronics Integration: Basic PCB layout design and schematic capture using KiCad, seamlessly matched with custom enclosures for microcontrollers (ESP32, Arduino) and hardware modules. Deliverables I Provide: • Native CAD files (.SLDPRT, .SLDASM) • Neutral 3D CAD formats (.STEP) • Manufacturing & Printing files (.STL, .3MF, .DXF for sheet metal) • Basic PCB production files (KiCad project files, Gerbers) • Dimensioned 2D PDF drawings with tolerances Focused on creating reliable, manufacturing-ready designs tailored to your specific production equipment and project requirements.

Electrical Engineering graduate from the University of Maryland with experience in CAD modeling, mechanical assemblies, robotics systems, and engineering design. Skilled in SolidWorks, AutoCAD, Creo,... Read more

Electrical Engineering graduate from the University of Maryland with experience in CAD modeling, mechanical assemblies, robotics systems, and engineering design. Skilled in SolidWorks, AutoCAD, Creo, and assembly-based mechanical modeling with a strong focus on reverse-engineering geometry from limited reference material. Developed large-scale independent CAD projects including a fully modeled motorcycle powertrain and chassis assembly, custom robotics systems, and mechanical drivetrain designs. Experienced in translating conceptual ideas and reference imagery into manufacturable CAD geometry through iterative design and spatial analysis. Additional engineering experience includes robotics fabrication, signal processing projects, analog filter design, and Department of Defense engineering support work.

A reliable electronics engineer and PCB designer with 15+ years of experience (trusted by clients worldwide) in PCB design, schematic capture, hardware development, and manufacturing support. I delive... Read more

A reliable electronics engineer and PCB designer with 15+ years of experience (trusted by clients worldwide) in PCB design, schematic capture, hardware development, and manufacturing support. I deliver production-ready designs that reduce risk, shorten development cycles, and work right the first time. My PCB designs are not only functional but manufacture able, testable, and scalable. With my 100% Job Success Score, I help clients turn ideas into robust, production-ready electronic products. My specialization is in circuit design, schematic capture, multilayer PCB layout, embedded systems, power electronics, RF and microwave circuits and analog circuits. I can do design reviews, hardware development, hardware debugging, reverse engineering, design optimization, troubleshooting and ensure your project is delivered with precision and attention to detail. ⭐ Core Expertise ⭐ ✅ Multilayer PCB designing ✅ PCB design with high speed interfaces, such as LVDS, HS-CAN, CAN FD, RS-422, RS-485, USB 3.0, FPGA high speed SerDes, PCIe, LVPECL, LPDDR4 clock, HDMI ✅ High power PCB design up to 4 layers, 3.2 KW, 320V output at 10A load current ✅ Design for Manufacturing (DFM) & Design for Assembly (DFA) using JLC PCB and PCB way services ✅ EMC / EMI aware PCB design practice using industry standards such as IPC-2221, IEC61188, DO-254 ✅ JLC PCB and LCSC parts selection, finding in-stock components, creating BOM with updated and available parts, finding alternate parts with similar technical specifications ✅ Generating Gerber files, NC Drill files, CPL files, BOM files for production, prototyping & mass manufacturing ✅ Schematic and PCB design review ✅ Circuit Designing, analog, digital, RF, microwave, embedded, high power circuit designing ✅ Circuit Simulation & Analysis ✅ Microcontroller Programming in C language ✅ Reverse engineering from given Gerber files, PCB images, BOM ✅ Problem solving, hardware development, troubleshooting, hardware debugging, design optimization for power, thermal, mechanicals constraints ⭐ PCB Design Software ⭐ ✅ Altium Designer v24 ✅ KICAD v9 ✅ DIP TRACE ✅ EasyEDA ⭐ Circuit Simulation Software ⭐ ✅ LTspice ✅ Proteus ✅ Multisim ✅ Keysight ADS ✅ Ansys HFSS ⭐ Programming ⭐ ✅ MPLAB X IDE ✅ C Language ✅ MATLAB SIMULINK ⭐ 3D Mechanical Design ⭐ ✅ SolidWorks ✅ PTC Creo ✅ Flow Therm ⭐ Power & analog circuit Projects ⭐ Power electronics, op-amp circuits, ADC/DAC interfaces, signal conditioning, piezo electric transducer driver, flyback converter, buck boost converter, laser diode driver, LED light driver, constant current and PWM control of LED lights, Switch Mode Power Supply (SMPS) design, linear power supply design, switching transformer magnetics design, AC load control using TRIAC, DC load control using SCR, H-Bridge driver for BLDC motor control using high power MOSFETS, gate driver circuit, multivibrator circuit using 555 timer, counter circuits, relay control, IGBT circuit for DC to AC inverter, bridge rectifier circuit for AC to DC converter ⭐ Industrial Projects ⭐ Temperature, humidity, weight, pressure sensors circuit design for instrumentation electronics, data logging, real time telemetry monitoring, signal conditioning circuit, feedback control circuits, robotics and actuator control, solenoid valve for flow control, PLC, DCS, SCADA for industrial automation, ⭐ RF Projects ⭐ X-Band and S-Band microwave RF power amplifier using GaN and GaAs devices, preamplifier, Directional coupler, band pass filter, Wilkinson divider, diplexer, microstrip transmission lines impedance matching, Low Noise Amplifier (LNA), mixer, microstrip patch antenna, electronic beam steering T/R modules, I/Q modulator, phased array circuits ⭐ Audio Projects ⭐ Audio Electronics: Amplifiers, filters, DSP-based audio processing, low-noise analog design, analog crossover network, equalizer, stereo and mono dual channel amplifier, phono preamplifier, hydrophone amplifier, MEMS based microphone array design, electret microphone amplifier, CODEC, RCA to XLR converter, phantom power supply, audio power amplifier for 8 and 4 ohm loud speakers, ⭐ Digital Electronics Projects ⭐ Digital logic circuits using discrete ICs, sequential circuit, NAND Flash memory circuit, mixed signal circuit using RF transceiver blocks with SMA connectors, FMC HPC connectors, high speed signaling with FPGA Actel, Xilinx, DSP controller from microchip, microcontrollers from Silabs, PIC, ATMEL C8051, ATMEGA, TMS320F28335, ESP32-C5, ESP32-S3, STM32, RPI, ARDUINO ⭐ Why Clients Choose Me ⭐ ✅ End-to-End Capability — from concept → schematic → PCB → firmware → prototype. ✅ High-Speed PCB Specialist —Impedance controlled routing and EMC/EMI aware designs ✅ Strong Communication — clear documentation, regular updates, and fast responses. ✅ Proven Track Record — 15+ years of hands-on design experience. ✅ Client Satisfaction — long-term ▒▒▒▒▒▒ client relationships, repeat contracts, and 5⭐⭐⭐⭐⭐ feedback

I am an Electronics Hardware and Embedded Systems Engineer with hands-on experience in schematic design, PCB layout, embedded hardware, sensor integration, and wireless communication. I have worked o... Read more

I am an Electronics Hardware and Embedded Systems Engineer with hands-on experience in schematic design, PCB layout, embedded hardware, sensor integration, and wireless communication. I have worked on IoT Gateway projects using Quectel Cat-1/Cat-4 modules, ESP32 and Microchip processors, along with RS-485, Ethernet, Wi-Fi, and BLE interfaces. My experience also includes power management, sensor interfacing, analog circuits, and hardware bring-up. I have also worked on a wearable AR/VR haptic-feedback device using flex sensors, wireless communication, and haptic actuators, covering both hardware and firmware integration. My main tools include Altium Designer and KiCad. I can handle projects from schematic capture and component selection through PCB layout, DRC, Gerber generation, BOM, manufacturing files, prototype bring-up, and hardware debugging. I focus on practical, reliable, and manufacturing-ready designs rather than just completing the PCB layout.

Thank you for visiting my profile. My name is Marko Aleksic, a dedicated electronic hardware and firmware engineer specializing in creating innovative and high-quality solutions for electronic product... Read more

Thank you for visiting my profile. My name is Marko Aleksic, a dedicated electronic hardware and firmware engineer specializing in creating innovative and high-quality solutions for electronic product development. I am passionate about transforming ideas into reality through meticulous design and development -Core Competencies: -PCB Design & Development: Expert in designing reliable, high-performance printed circuit boards (PCBs). Specialization in power supply circuits (DC-DC, AC-DC conversions) and multilayer designs for embedded systems. Proven track record in developing efficient LED driver circuits and RF PCB layouts. -Firmware Development: Extensive experience programming microcontrollers including STM32, DSPIC, ESP32 and ESP8266. Mastery of communication protocols such as UART, SPI, Ethernet, USB, CAN, and MODBUS for seamless integration. Proficient in implementing wireless technologies including Wi-Fi, Bluetooth, and ZigBee. -RF Design & Analysis: Strong capabilities in RF circuit design, antenna optimization, and simulation for applications like WiFi, Bluetooth, and RFID. Expertise in developing RF filters, splitters, transceivers, and power amplifiers tailored to specific application needs. I am committed to delivering cost-effective, high-quality solutions without compromising performance or deadlines. I welcome the opportunity to connect and discuss how I can contribute to your projects.

I am an Electronics and Communication Engineer with experience in electronic hardware design, PCB design, embedded systems, and IoT development. I specialize in designing reliable electronic circuits,... Read more

I am an Electronics and Communication Engineer with experience in electronic hardware design, PCB design, embedded systems, and IoT development. I specialize in designing reliable electronic circuits, creating professional PCB layouts, and developing embedded solutions using Arduino, ESP32, and microcontrollers. My technical skills include PCB design, circuit design, embedded programming, RF PCB design, IoT systems, industrial automation, and hardware debugging. I also have experience using Altium Designer, KiCad, CST Microwave Studio, and Proteus for schematic capture, PCB layout, and RF simulation.

In any robotics or embedded system project, hardware design is the backbone of success. A single design mistake can cause failures, but a well-structured circuit and PCB can maximize performance, reli... Read more

In any robotics or embedded system project, hardware design is the backbone of success. A single design mistake can cause failures, but a well-structured circuit and PCB can maximize performance, reliability, and efficiency. If you want to enhance your robot’s performance or ensure your control system runs smoothly — you’re in the right place! I’m Reem, an Electronics & Communications Engineering student with strong interest and hands-on experience in circuit design and PCB layout. I’ve worked on multiple projects using ESP32, Arduino, IR sensors, and motor control, where I handled schematic design, PCB layout, and manual fabrication. Alongside my technical background, I also support clients with professional document design, including Word files, PowerPoint presentations, and Canva slides — perfect for showcasing your technical work or training content clearly and attractively. 🔹 Services I Provide: Circuit design & simulation PCB layout (single & multi-layer) Component selection & datasheet analysis Embedded systems integration (ESP32, Arduino, microcontrollers) Preparing training materials & educational content Technical writing & structured documentation Designing Word and PowerPoint files with clear, professional formatting I aim to deliver reliable, well-documented, and organized work, with clear communication and a client-focused approach to ensure satisfaction and high-quality results. Let’s talk about your project! I’d love to understand your idea and help you turn it into a practical, efficient hardware solution. Feel free to reach out. I’m always happy to discuss your goals and suggest the best path forward.

I am Md. Sanowar Hossin, an Electrical and Electronic Engineer with 13+ years of experience in electronics R&D. I specialize in high-quality PCB design and embedded systems development. My expertise i... Read more

I am Md. Sanowar Hossin, an Electrical and Electronic Engineer with 13+ years of experience in electronics R&D. I specialize in high-quality PCB design and embedded systems development. My expertise includes advanced PCB layout using Altium Designer, KiCad, EasyEDA, and Eagle. i was completed more then 1000 PCB Design for my clients. I work with Analog, Digital, Power Electronics and Microcontroller based systems. I have a deep background in microcontroller programming, having successfully completed numerous projects using AVR and PIC architectures, specifically the PIC16F, ATmega8, and ATmega16 series. Additionally, I am highly proficient in developing IoT and wireless solutions using Arduino, ESP8266, and ESP32 microcontrollers. I provide for client: * PCB Design (Single-layer, Double-layer, Multi-layer) * Reverse Engineering * Schematic Design from physical boards or images * Gerber, BOM, and Pick & Place File * Arduino and Embedded Hardware and programming. * PIC/AT-Mega Microcontroller Based Embedded system Hardware and programming. * DFM (Design for Manufacturing) * Component Placement and Routing Optimization * Silkscreen, Drill Files, and Layer Stackups * ESP32 Design * Gerber Files I provide unlimited reviews for my client.

I am an electronics engineer specializing in multi-layer PCB design, embedded firmware, and industrial automation. With professional experience in power electronics, HVAC control systems, and IoT devi... Read more

I am an electronics engineer specializing in multi-layer PCB design, embedded firmware, and industrial automation. With professional experience in power electronics, HVAC control systems, and IoT devices, I manage projects from concept to production. My core toolset includes KiCad, Altium Designer, LTspice, and C/C++ for STM32 and ESP32 microcontrollers.

I am an Electronics and Embedded Systems Engineer specializing in PCB design, schematic development, and microcontroller firmware programming. I help clients turn electronic product ideas into reliab... Read more

I am an Electronics and Embedded Systems Engineer specializing in PCB design, schematic development, and microcontroller firmware programming. I help clients turn electronic product ideas into reliable and manufacturable hardware solutions. My experience includes designing PCB layouts, selecting components, preparing BOM and production files, and developing embedded firmware for STM32 and ESP32 microcontrollers. My services include: • Schematic design and PCB layout • Altium Designer projects • STM32 and ESP32 firmware development • Embedded C/C++ programming • Sensor, display, and actuator integration • UART, SPI, I2C, CAN, and Modbus communication • Component selection and BOM preparation • Gerber and manufacturing file preparation • Hardware debugging and prototype improvement • Design for Manufacturing and Assembly I focus on clear communication, organized project files, practical engineering solutions, and designs that are ready for prototyping and production. I am available for PCB design, embedded firmware, IoT hardware, product prototyping, and electronics development projects.

Do you need electrical engineering expertise? Hey there! For those of you who do not know me, my name is Nicholas. I am an Electrical Engineering Consultant, and I have something really important tha... Read more

Do you need electrical engineering expertise? Hey there! For those of you who do not know me, my name is Nicholas. I am an Electrical Engineering Consultant, and I have something really important that I want to share with you today. For most of you reading this, hiring an electrical engineering freelancer or contractor has been a struggle to say the least. You have likely lost a great deal of money only to receive a sub-marginal product. Constant change orders, redraws, slow work, missed deadlines, failing “cross-functional” teams, no quality assurance, and huge bills are just a few examples. I would imagine that you are feeling very frustrated, confused, and maybe even a little humiliated. Does this sound about right? You are correct to be worried, because many people get screwed over when they hire an engineering contractor. But what if I told you there is one thing, just one thing you could do to flip the script? It is as easy as sending me a message on Cad Crowd. I am an American entrepreneur, electrical engineer, and trusted consultant. I am an accomplished expert with nearly a decade of experience in the electrical engineering industry. As a knowledgeable professional with experience in the nuclear industry, I have had serious involvement with numerous quality-dependent, critical power and control systems. Within five years of graduating from the prestigious Clarkson University with a Bachelor of Science Degree in Electrical Engineering, in addition to minors in both Computer Science and Mathematics, I obtained experience at a multinational technology company and also rapidly became a trusted, lead analytical engineer at Indian Point Energy Center. Today, I help individuals and entrepreneurs maximize their profits by increasing their technical expertise. Once we are both interested in working together on a project, before you even spend a penny, I offer a free, no-obligation video conference kick-off meeting to eliminate any reasonable doubt that we are a perfect match for each other. When working with me, you get to save money on high-quality services. If, like for many cash-constrained businesses, your budget is under scrutiny, you may be forced to rationalize your procurement model. Traditional consulting firms are just not agile enough to adapt. Red tape strangles engineers in many firms. Do not overspend on a wasteful system. Embrace the cost reductions! It is the only way to accelerate your growth and wealth! When working with me, you have access to a quick, easy, and convenient hiring process. In the engineering services sector, most businesses still rely heavily on localized industry experts, consulting firms, and in-house talent. These engineers are often experts, but their geographic proximity to their clients is more often their greatest fortune. The process for procuring my service is extraordinarily quick and simple. I embrace business flexibility. All you need to do is send me a brief message on Cad Crowd! When working with me, you get clarity and security. The payments involved are clearly defined upfront. You do not assume the risk that a firm might claim to be starting a project, take a deposit, and then not deliver. There is no reason not to act now. Your co-workers will rave about your success! When firms change engineers during the project, team turnover can put projects of any size at risk. Throughout the process, one or more team members leaving could result in a project failing if the knowledge and talent walk out the door. When working with me, you know that I am going to be the one working on your project from start to finish with an outcome driven mindset. Visit the link below now to check out my website and see why businesses come to me for solutions. I want to help you, but I am a busy guy and do not have much time to add additional projects to my plate. Do not wait until it is too late. Do not continue to struggle day to day to ensure your market dominance and make a sustainable profit. Everyone knows that we needed our independent expert opinion and design solutions yesterday. Make your life easier. Send me a message on Cad Crowd now to get your project started! I will talk to you soon.

I am an Electronics and Embedded Systems Engineer specializing in PCB design and hardware development. I design reliable, efficient, and production-ready electronic systems—from concept and schematic... Read more

I am an Electronics and Embedded Systems Engineer specializing in PCB design and hardware development. I design reliable, efficient, and production-ready electronic systems—from concept and schematic design to PCB layout and prototyping. My experience includes working with microcontrollers, embedded firmware, and circuit design for a variety of applications. I focus on delivering high-quality designs that meet performance, cost, and manufacturability requirements. I can help with: Schematic design and circuit development PCB layout (2-layer to multi-layer) Embedded systems design and firmware integration Prototyping and testing Design for manufacturing (DFM) I am committed to clear communication, fast turnaround, and delivering solutions that work in real-world conditions.

Signal Integrity Electronics is a small family business. We have been designing electronic devices for inventors, startups and small technology companies since 1997. We specialize in proprietary contr... Read more

Signal Integrity Electronics is a small family business. We have been designing electronic devices for inventors, startups and small technology companies since 1997. We specialize in proprietary controller boards for motor, heater and lighting control. We are experts with micro-controllers (hardware and firmware), networked sensors using copper and radio (Ethernet/WiFi, 802.15.4, proprietary protocols), solar power and battery management. We have done scores of design and prototyping projects for industrial, agricultural and medical applications.

I am an electrical engineering student that is very interested in all the different types of engineering. I have been learning 3D printing, 3D modeling (Fusion 360), electronics, PCB design, programmi... Read more

I am an electrical engineering student that is very interested in all the different types of engineering. I have been learning 3D printing, 3D modeling (Fusion 360), electronics, PCB design, programming (microcontrollers, websites and apps), and prototyping. I put my skills to the test by challenging myself to difficult projects like my 3D-printed 6-axis Industrial-style robot arm. I designed everything about the arm including the circuitboards, software, and the arm itself. Although I am an electrical engineering student, I learned everything on my own through the web. I currently and studying electrical engineering in Corpus Christi Texas. My personal website: www.rondopia.com

Professional software and hardware solutions provider. Arduino, Raspberry Pi, ESP, C#, C++, Python. Programming Microcontrollers, hardware software integration, system installation

Professional software and hardware solutions provider. Arduino, Raspberry Pi, ESP, C#, C++, Python. Programming Microcontrollers, hardware software integration, system installation