Hire the Best Electronic Designers

Hi! I'm Chanaka, a Robotic artist with 7 years of experience in the Electronic industry. By profession, I am a Robotic and Automation Engineer with a completed Bachelor's degree and lots of successful projects behind. Experienced at:- ✅Project Development and Prototyping ✅IOT Systems Robotics, and Automation Projects ✅Microcontroller Programming with Firmware Developments ✅PCB Design ✅3D and 2D Design ✅3D Printing ✅UAV Design and Programming Robotics is a new field of technical engineering that involves the basic steps of robotics concept, design, manufacture, and operation. The goal of robotics is to create intelligent machines that can assist humans in various ways in their daily activities. Robotics can take many forms. A robot can be human-like or nearly so, or it can be in the form of a robotic application, such as robotic process automation. It implements the way humans interact with software to perform repetitive rule-based tasks. However, science fiction author Isaac Asimov is credited with being the first to use the term in the Oxford English Dictionary in the 1940s. Today, industrial robots and many other differently programmed robots are used to perform repetitive tasks. They can be robotic arms, robotic exoskeletons, or traditional humanoid robots. Industrial robots are huge, and robotic arms are also used by manufacturers and stores such as those owned by Amazon, Devon, Best Buy, and others. For this robotics technology, computer programming and algorithms, remotely controlled manipulators, actuators, control systems – action, processing, and perception – real-time sensors and an element of automation help inform what a robot or robotic system is doing. The field known as machine learning and learning robotics are intertwined. Robotic learning is the study of techniques and tools that can impart new knowledge or skills to a robot through machine learning algorithms. Some of the applications explored by robotic learning include grasping objects, recognizing those grasped objects, classifying objects, and even interacting with human peers by recognizing and responding to linguistic and sensory gestures. Learning can occur through self-exploration or through software guidance by a human operator. In order to learn, intelligent robots must gather facts daily through human input or sensors. Then, the robot's processing unit will compare the newly acquired data with the previously stored information and perform its own programming based on the acquired data and predict the course of action based on the output. However, it is important that we understand that a robot can only solve the problems it is built to solve. It does not have creative general analytical abilities like a human. Many industries are interested in robotic systems because they can increase accuracy, reduce costs, and increase human safety. In fact, safety can be cited as one of the biggest benefits of robotics, as many dangerous or unhealthy environments are beyond the reach of humans. Examples are nuclear industry, mining, and excavation work can be pointed out. However, the field of robotics has evolved tremendously with several technological breakthroughs. One is the rise of big data, which offers more opportunities through a language that is complex enough to build programming capabilities into robotic systems. Another is the use of new types of sensor devices and tools to monitor temperature, air pressure, light, motion, and many other environmental aspects. All of this serves to give rise to more sophisticated and sophisticated robots for many uses, including health, security, and human assistance. Although the field of robotics is limited in terms of programming and capabilities, nowadays it can be seen as very useful and a great leap in technology. Moreover, I have potential knowledge about: • Python • Solidwork • C / C++ / C# • Processing • Thingsboard and Blynk I am a creative person with good technical and personal skills and competencies. A self-motivated, organized, responsible, diligent person who wants to reach the best result. I am attentive to client's needs and constantly assess that the design continues to meet their needs. Please feel free to contact me for further cooperation! Thank you for your time in reviewing this. Thank you Chanaka Prasad

Are you looking for a freelancer creating accurate and reliable 🔴 Circuits schematics, layouts, and simulations as well as 3D CAD models 🔴? As a mechatronic engineer, I have an electrical and mechanical engineering background. I am introducing myself and my services as a freelancer in the field of electronic circuits and PCB design. Being a mechatronic engineer helps me to integrate both electrical and mechanical considerations into my designs, and that's what sets me apart from other designers. My expertise lies in using: • Autodesk Eagle • Altium designer • EasyEDA • KiCad • Proteus To generate accurate and reliable: • Schematics • PCB layout design • 3D models And I will provide you with: • Detailed PDF files • Images • DXF files • Bill of Materials (BOM) That clearly illustrates the design and its components, and this will not only help you to understand the design better but also allow for quick and efficient manufacturing processes. I can help you design your ⚫ 3D model enclosure ⚫ for your PCB or consider this aspect while designing the PCB itself. This results in a more integrated and optimized solution that meets both your electrical and mechanical requirements. As a new freelancer on Upwork, I am eager to take on any job at the 🔴 most reasonable cost 🔴 to grow on this platform and receive valuable feedback. I am committed to building long-term relationships with my clients by prioritizing clear communication, timely delivery, and customer satisfaction. I am open to feedback and willing to make adjustments to ensure complete satisfaction with my work. I am eager to establish a lasting partnership. If you are looking for a reliable freelancer in the field of electronic circuits and PCB design, I would be honored to work with you. Please don't hesitate to contact me to discuss your project in more detail and to receive a personalized quote.

I help medical and IoT product teams design the right hardware architecture early, so they avoid costly PCB re-spins, noise issues, and late-stage failures. If you’re building a sensor-heavy, STM32-based, or medical-adjacent product, I act as your hardware systems architect—focusing on design decisions, trade-offs, and long-term reliability, not just execution. How I typically help: • System architecture & feasibility studies • Component and topology selection (MCU, sensors, AFE, power) • Schematic-level hardware design & review • Pre-fabrication PCB audits to reduce redesign risk My work is decision-driven and outcome-focused. I start by understanding what you are building and why, then provide clear, documented recommendations you can confidently execute or manufacture. I’ve worked on medical electronics, bio signal front ends (ECG/EMG), wearables, and IoT devices, where design mistakes are expensive and timelines matter. If you’re looking for clarity, strong architecture, and fewer hardware surprises, I’d be glad to help. ✅ Core Expertise 🔹 Hardware Product Development - Architecture Design, Schematic & Layout (up to 12-layer PCBs) - Rigid, Rigid-Flex & Flex PCB Design - Signal & Power Integrity, EMI/EMC mitigation - DFM/DFT, FMEA, Risk Analysis, Certification Prep - BOM optimization, part lifecycle, obsolescence management 🔹 Sensor-Integrated Wearables & IoT - Real-time biometric sensing (ECG, EMG, HR, SpO2, Temp, IMU) - Wireless: BLE, Wi-Fi, LoRa, 4G, CAN, RS485 - Medical-grade signal acquisition & conditioning - Battery management, power efficiency & charging circuits 🔹 Prototyping & Compliance - Pre-compliance testing: EMI/EMC, Thermal, Vibration - Regulatory: Medical safety (IEC standards), ISO/NABL - Detailed documentation: test plans, architecture diagrams, handover packages 🔹 Tools & Platforms - ECAD: Altium Designer, OrCAD, CAM350, KiCAD - Firmware Platforms: STM32, Nordic nRF52, ESP32/8266, Microchip, Raspberry Pi - Protocols: I2C, UART, SPI, RS232/RS485, LVDS, RF, NFC ✅ Deliverables - Design Concept Block Diagrams - Process Flow Block Diagrams - Schematic PDF - Design Files (Schematic & Layout) - Fabrication Files - Assembly Files - Bill of Materials - 3D Models - Components Library - Test Documents (If req.) 🏆 Notable Projects & Solutions Built - Smart Drug Delivery Device: Precision-controlled insulin injector - Bone Density Meter: Early-diagnosis medical scanner - Julia Robot: Cooking automation system with embedded sensors - EMG Wearable: Portable diagnostic device for muscle activity monitoring - SOWBIT: Veterinary health monitor (ECG, SpO2, Temp) for livestock - Smart Ring: Measures multiple vitals via fingertip contact - Elite Alerte: Maritime emergency alert & sensing system - CloudSwitch: IoT-enabled wireless AC meter for remote energy tracking - Fuel Level Sensor (Ultrasonic + GSM): Real-time monitoring for containers - PoE Switch & Weighing Scale: Industrial-grade, high-precision electronics 🌍 Why Clients Choose Me ✅ Medical-grade design focus with regulatory foresight ✅ Deep cross-industry experience from wearables to industrial controls ✅ Excellent communication, proactive updates, and engineering documentation ✅ Efficient collaboration with global clients and vendors ✅ Quality-first mindset with long-term reliability and support

I have designed 30+ real-world components used in defence systems, DC fans, and kitchen appliances handling everything from design and simulation to fabrication and testing myself, so you get complete, working hardware solutions from one expert. I am an RF, PCB, and Embedded Systems Engineer with strong hands-on experience in building complete hardware products. I have worked on real-world RF systems including high-power amplifiers, transmitter-receiver designs, RF filters, and antenna systems for communication and defence-related applications. I specialize in RF design, antenna design and testing, wireless communication, and high-quality PCB design including multilayer boards using Altium Designer and KiCad. I also work on circuit design, analog electronics, RF filters and amplifiers, and embedded systems using STM32, ESP32, and Arduino. I have successfully delivered reliable, tested, and production-ready designs that perform well in real-world conditions. For large and challenging projects, I collaborate with a trusted team of highly skilled professionals, so we can deliver a complete, fully working product including hardware, software, and mechanical design all in one place. ✅ RF & Microwave Circuit Design ✅ RF System Design (Transmitter & Receiver) ✅ RF Front-End Design ✅ RF Power Amplifier Design (Low, Medium & High Power) ✅ LNA (Low Noise Amplifier) Design ✅ RF Filters Design (Bandpass, Low-pass, High-pass) ✅ Impedance Matching & RF Tuning ✅ Antenna Design (Patch, Monopole, Dipole, Custom) ✅ Antenna Simulation & Optimization ✅ Antenna Testing & Performance Measurement ✅ Wireless Communication System Design ✅ RF Signal Chain Development ✅ Frequency Planning & Spectrum Analysis ✅ PCB Design (Single Layer, Double Layer, Multilayer) ✅ High-Speed PCB Design ✅ RF PCB Layout & Controlled Impedance Design ✅ Schematic Design & Circuit Layout ✅ PCB Design using Altium Designer, KiCad & EasyEDA ✅ Gerber File Generation & Manufacturing Support ✅ Design for Manufacturing (DFM) & Assembly (DFA) ✅ PCB Debugging & Optimization ✅ Electronic Circuit Design ✅ Analog Circuit Design ✅ Amplifiers & Signal Conditioning Circuits ✅ Sensor Interface Circuit Design ✅ Power Electronics Circuit Design ✅ Hardware Troubleshooting & Debugging ✅ Embedded Systems Design ✅ Embedded Hardware Development ✅ Microcontroller-Based System Design ✅ Microcontroller Programming (STM32, ESP32, Arduino, AVR) ✅ Embedded C & C++ Development ✅ Firmware Development ✅ IoT Device Development (WiFi, LoRa, ESP32) ✅ Raspberry Pi-Based Projects ✅ FPGA Design & Development ✅ Verilog / VHDL Based Design ✅ Digital System Design on FPGA ✅ Simulation & Timing Analysis ✅ FPGA Prototyping & Testing ✅ Electromagnetic Simulation (HFSS, CST, ADS) ✅ Circuit Simulation (LTspice, PSPICE, MATLAB) ✅ EM & RF Co-Simulation ✅ Signal Integrity & EMI/EMC Analysis ✅ Hardware Prototyping ✅ Product Development from Concept to Prototype ✅ Functional Testing & Validation ✅ Performance Measurement & Optimization ✅ Test Results Analysis & Reporting ✅ Technical Writing (Engineering Reports & Documentation) ✅ Research Paper Writing (IEEE Format) ✅ Project Documentation & Reports ✅ RF & Electronics Content Writing ✅ Complete Product Design (Hardware + Embedded + RF + FPGA) ✅ Prototype to Production Support ✅ Real-World Testing & Field Validation ✅ Engineering Simulation & Optimization

I design and develop embedded electronic devices, working across hardware and firmware from initial design to production-ready systems. I work end-to-end: from schematics and KiCad PCB layout to firmware bring-up, debugging, validation, and preparation for manufacturing. Platforms & systems: • ESP32, STM32, nRF52 • C / C++, ESP-IDF, FreeRTOS, Zephyr, bare-metal Wireless & device protocols: • Wi-Fi, Bluetooth LE, Thread, Matter / HomeKit • Sub-GHz RF (433 / 315 MHz), infrared Hardware & production: • Multilayer PCB design in KiCad (fab-ready files, realistic BOMs) • Hardware bring-up, debugging, and validation • Preparing designs for manufacturing and real-world use Mechanical & product design: • Functional enclosure and mechanical part design (Fusion 360) • Design for 3D printing and rapid prototyping • Mechanical integration of electronics into real products Why work with me: • Production-first mindset — not just working prototypes • Strong understanding of hardware–firmware interaction • Clear communication and realistic timelines If you’re building a device and need an engineer who can turn it into a reliable, production-ready product — let’s talk.

Have a mechanical component, assembly, or product that needs to be properly designed and clearly documented? I can help with that. I'm Sameth, a Mechatronics Engineer based in Sri Lanka with 4 years of experience in mechanical design and CAD. I work with engineers, product designers, and small businesses to turn ideas and rough concepts into detailed, manufacturable designs. What I typically work on: 3D part and assembly modeling — designed with manufacturing in mind Technical drawings with tolerances and annotations, your supplier can work from Mechanism design, motion studies, and sheet metal components DFM reviews to catch potential issues before production 3D printing — prototypes and functional parts when needed, in FDM or SLA Tools I use: SolidWorks · Autodesk Inventor · Fusion 360 · AutoCAD I'm SolidWorks-certified, hold a diploma in AutoCAD, and take communication and accuracy seriously on every project — whether it's a single bracket or a full product assembly. Feel free to message me with your project details, and we can take it from there.