I am a seasoned electronics engineer with over 8 years of expertise in embedded systems, IoT solutions, PCB designing and digital signal processing. I have a strong track record, having contributed to renowned organizations such as John Hopkins University, Siemens, Harby Pedals LLC etc. My experience encompasses the entire product development lifecycle, including team leadership.
๐น๐น Embedded Systems & Microcontrollers ๐น๐น
โค STM32
โค Nordic SoC ( nrf52 , nrf51 , nrf24 )
โค Espressif ( esp32 , esp8266 )
โค Atmel
โค Microchip
โค TI
โค Cypress
โค Silabs
โค Raspberry Pi
โค Nvidia jetson
๐น๐น Programming Languages , Frameworks , IDEs๐น๐น
โค C , C++ , Arduino
โค Python
โค MATLAB
โค HTML , CSS
โค Android Studio
โค Javascript
๐น๐น Wireless Communication ๐น๐น
โค WiFi โค Bluetooth , BLE โค NB IOT โค 2g , 3g , 4g
โค LTE โค RF โค Lora โค Zigbee
๐น๐น PCB Design ๐น๐น
โค EasyEDA โค KiCAD โค Altium Designer
๐น๐น Protocols ๐น๐น
โค SPI โค I2C โค Uart โค Serial โค CAN
โค RS485 โค TCP/IP โค UDP โค MQTT
๐น๐น Digital Signal Processing ๐น๐น
โค Low pass , High pass, band pass filters
โค Butterworth filters
โค Complementary filters
โค Kalman , EKF , UKF filters
โค Mahony , Madgwick filters
๐น๐น Sensors ๐น๐น
โค Ultrasonic sensors
โค Time of Flight ( ToF )
โค Inertial Measurement Unit ( IMU ) , Accelerometer , Gyroscope , Magnetometer
โค PIR Motion sensor
โค Humidity , Temperature sensors
โค GPS , GNSS
โค Light , IR sensors
โค Gas sensors
โค Touch , Flex , load sensors
โค Hall effect , magnetic sensors
โค Color sensor
โค Heart rate, SPO2 sensors
and many more...
I am passionate about technology and thrive in collaborative environments. With my innovative approach and cost-effective solutions, I can contribute to your success. Let's work together towards a brighter technological future.
Arduino
Internet of Things Solutions Design
PCB Design
MATLAB
Microcontroller
Embedded System
Sensor
Microcontroller Programming
Mobile App Development
Web Application
Dashboard
Electronic Circuit Design
Front-End Development
Back-End Development
Electronics
Nuwan T.
Madampe, Sri Lanka
$20/hr
5.0
3 jobs
I am a passionate, enthusiastic electronic design engineer, who always pays 100% attention to detail.
I'm an Mechatronic Engineering Graduate from Sri Lanka Institute of Information Technology (SLIIT). I currently working as freelance electronic engineer while running a startup related to electronics.
I previously worked in the largest brewery in Sri Lanka, Lion brewery Sri Lanka as an engineer.
I am expert in Analog circuit designing, digital circuit designing, Power supply designing, IOT, Multilayer PCB designing, 3D modeling with Fusion 360, Circuit prototyping and simulating.
The sofwares I work with are Altium designer, KiCad, Eagle, EasyEDA Arduino IDE and Fusion 360
Arduino
Eagle
ESP32
KiCad
Autodesk Fusion 360
Altium Designer
EasyEDA
ESP8266
Digital Electronics
Circuit Design
Internet of Things
Analog Electronics
Electronic Design
Electronics
Chanaka M.
Colombo, Sri Lanka
$35/hr
4.9
73 jobs
I am Chanaka Prasad, Founder and CEO of Idea8, a product development and engineering company specializing in hardware, robotics, IoT, embedded systems, automation, and AI-enabled product development.
At Idea8, we help startups, manufacturers, and product companies turn ideas into working prototypes, MVPs, pilot systems, and production-ready solutions. Our team combines electronics, mechanical design, firmware, PCB design, 3D design, software, AI, and manufacturing support under one roof, which allows us to move faster and solve problems end-to-end instead of handing work between disconnected freelancers.
What we can help you build:
โ Hardware product prototypes and MVPs
โ IoT systems, dashboards, and connected devices
โ Robotics and automation systems
โ PCB design and embedded firmware development
โ ESP32, STM32, Arduino, Raspberry Pi, Jetson, and custom electronics
โ Machine vision and AI inspection systems
โ UAV, rover, and robotic platform development
โ 3D CAD design, enclosure design, and 3D printing
โ Manufacturing-ready product development and supplier support
Our approach is simple: we do not just โbuild what is asked.โ We first understand the product goal, technical risk, cost target, user environment, and manufacturing path. Then we design the right engineering solution with the correct balance between performance, budget, timeline, and scalability.
We are especially strong in projects where hardware, software, firmware, mechanics, and real-world testing need to work together. Many product development projects fail because each part is built separately. Idea8 solves this by managing the complete development process from concept to working prototype and beyond.
Core technical capabilities:
โข Embedded systems and microcontroller programming
โข Firmware development using C, C++, Python, and related tools
โข PCB design, schematic design, and electronics integration
โข IoT platforms using ThingsBoard, Blynk, cloud dashboards, and custom web apps
โข Robotics, automation, motor control, sensors, and actuator systems
โข Computer vision, AI inspection, and real-time data systems
โข SolidWorks, 3D CAD, mechanical design, and enclosure development
โข 3D printing, rapid prototyping, testing, and product iteration
If you are looking for a team that can think like engineers, execute like product builders, and communicate clearly like a long-term technical partner, Idea8 can help.
We are best suited for clients who need serious engineering execution, not just basic task completion. Whether you are building a new hardware product, improving an existing system, automating a factory process, or developing an IoT/robotics solution, we can support you from the first prototype to a manufacturable product.
Letโs build something real.
Arduino
Prototyping
SolidWorks
Product Design
Product Development
3D Modeling
Drone
PCB Design
Machine Design
Engineering Design
Firmware Programming
Mechanical Engineering
3D Design
Product Concept
Robotics
Dojitha L.
Pannala, Sri Lanka
$30/hr
5.0
12 jobs
As a Mechatronics Engineer, I am an expert in 3D Modelling and Autonomation design and programming. I bring experience in creating mechanical attachments, assemblies and effective automation systems.
Clients believe me for delivering reliable an efficient work.
I am skilled in :
- Creating 3D models and assemblies using SolidWorks.
- Designing custom parts with detailed and precisely as per requirements.
- Simulating designs for performances.
- Designing automated systems for industrial applications.
My hands on experiences in projects like sticker pasting machines for well known brands like Patagonia and Lululemon, creating 3D modelled attachments for sawing machines while working in autonomation department in a well reputed company like MAS Holdings are few proven records.
Lets collaborate to achieve the best results for your work!
SolidWorks
PLC Programming
Arduino IDE
Printable 3D Models
3D Model
3D Modeling
3D Modeling Software
Mechatronics
Mechanical Design
Task Automation
Automation
3D Printing
3D Rendering
Machine Vision
AI Model Development
Product Design
KeyShot
3D Design
CAD
Mechanical Engineering
Isuru D.
Matara, Sri Lanka
$10/hr
5.0
2 jobs
I help research groups, medtech startups, and clinical teams turn raw biomedical data( physiological signals (EEG, EMG, EOG), gait and motion data, and medical images) into clean, validated results they can actually use in a paper, a device, or a product decision.
My background is in electronics and biomedical engineering (BSc Electrical & Electronics Engineering, University of Peradeniya; MSc Electronics & Automation Engineering, University of Moratuwa), including work as a research engineer building signal-processing and image-analysis pipelines from scratch. That means I'm comfortable at both ends of a project: reading the underlying methodology in a paper or clinical requirement, and writing the Python/MATLAB/C++ code that implements it correctly.
Where I add the most value:
Physiological signal processing : filtering, artifact removal, feature extraction, and classification for EEG, EMG, and EOG data, including motor-imagery and BCI-style pipelines.
Medical and biological image processing : segmentation, enhancement, and quantitative analysis of medical or microscopy images, from classical image-processing techniques through to applied machine learning.
Gait and biomechanics analysis : extracting and interpreting movement data for research or rehabilitation applications.
General biomedical algorithm development and prototyping : circuit design, embedded/Arduino work, and simulation (LabVIEW, Proteus, OpenSim) when a project needs hardware-software integration.
I take on both short, well-defined tasks and longer research-style engagements, and I'm equally comfortable executing a clearly specified brief or working from an open-ended research question. I communicate regularly, flag risks early rather than at the deadline, and deliver code that's documented well enough for someone else to pick up.
If your project touches physiological signals, medical/biological imaging, or biomedical data analysis more broadly, I'd welcome a conversation about it. Happy to look at a sample of your data or a snippet of your requirements before you commit to a contract.
Arduino
Biomedical Engineering
Digital Signal Processing
Image Processing
Computer Vision
Biomechanics
Machine Learning
Artificial Intelligence
Electronic Circuit Design
MATLAB
Proteus Design Suite
Python
OpenCV
C
AppSheet
Dinura P.
Matara, Sri Lanka
$25/hr
4.6
12 jobs
Do you envision a groundbreaking hardware creation but lack the comprehensive expertise to bring it to life? I'm a highly motivated and detail-oriented full-stack embedded systems and PCB design engineer with over 7 years of experience in both disciplines. Leveraging my in-depth knowledge across hardware design, firmware development, and high-performance PCB creation, I empower clients to translate their innovative ideas into reliable, efficient, and manufacturable hardware solutions for diverse applications.
๐๐๐๐ซ๐๐ฌ๐ฌ๐ข๐ง๐ ๐๐จ๐ฎ๐ซ ๐๐ก๐๐ฅ๐ฅ๐๐ง๐ ๐๐ฌ:
โช Struggling with complex hardware integration, sensor interfacing, and PCB design?
โช Facing challenges with efficient communication protocols and high-speed routing?
โช Seeking expertise in low-level programming, algorithm implementation, and robust PCB design?
โช Looking for a developer who prioritizes clear communication, documentation, and version control?
โชโพโผ๐ ๐ค๐ข๐ฏ ๐ฉ๐ฆ๐ญ๐ฑ ๐บ๐ฐ๐ถ ๐ฐ๐ท๐ฆ๐ณ๐ค๐ฐ๐ฎ๐ฆ ๐ต๐ฉ๐ฆ๐ด๐ฆ ๐ณ๐ฐ๐ข๐ฅ๐ฃ๐ญ๐ฐ๐ค๐ฌ๐ด ๐ข๐ฏ๐ฅ ๐ข๐ค๐ฉ๐ช๐ฆ๐ท๐ฆ ๐บ๐ฐ๐ถ๐ณ ๐ฅ๐ฆ๐ท๐ฆ๐ญ๐ฐ๐ฑ๐ฎ๐ฆ๐ฏ๐ต ๐จ๐ฐ๐ข๐ญ๐ด!โผโพโช
๐๐๐๐ก๐ง๐ข๐๐๐ฅ ๐๐ฑ๐ฉ๐๐ซ๐ญ๐ข๐ฌ๐:
๐๐ฆ๐๐๐๐๐๐ ๐๐ฒ๐ฌ๐ญ๐๐ฆ๐ฌ:
๐น ๐๐๐ซ๐๐ฐ๐๐ซ๐ ๐๐ง๐ญ๐๐ ๐ซ๐๐ญ๐ข๐จ๐ง & ๐๐๐ง๐ฌ๐จ๐ซ ๐๐ง๐ญ๐๐ซ๐๐๐๐ข๐ง๐ : Adept at connecting various sensors (environmental, motion, light, temperature, etc.) to Arduino microcontrollers (UNO, Mega, Nano, ESP32, ESP8266) and other embedded platforms.
๐น ๐๐จ๐ฐ-๐๐๐ฏ๐๐ฅ ๐/๐++ ๐๐ซ๐จ๐ ๐ซ๐๐ฆ๐ฆ๐ข๐ง๐ : Proficient in writing efficient embedded C code for hardware control, algorithm implementation, and communication protocols (I2C, SPI, UART, WiFi, Bluetooth, etc.).
๐น ๐๐๐ญ๐ ๐๐ซ๐จ๐๐๐ฌ๐ฌ๐ข๐ง๐ & ๐๐ง๐๐ฅ๐ฒ๐ญ๐ข๐๐ฌ: Utilize libraries and algorithms to acquire, process, analyze, and visualize sensor data, extracting valuable insights for informed decision-making.
๐น ๐๐ฆ๐๐๐๐๐๐ ๐๐ฒ๐ฌ๐ญ๐๐ฆ๐ฌ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐ฆ๐๐ง๐ญ: Experienced in hardware-software co-design, real-time operating systems (RTOS), and resource-constrained environments.
๐น ๐๐ซ๐จ๐ฃ๐๐๐ญ ๐๐๐ง๐๐ ๐๐ฆ๐๐ง๐ญ: Skilled in planning, organizing, and managing the development lifecycle of embedded system projects, utilizing version control (Git, GitHub) for collaboration and code management.
๐๐๐ ๐๐๐ฌ๐ข๐ ๐ง:
๐น ๐๐๐ก๐๐ฆ๐๐ญ๐ข๐ ๐๐๐ฉ๐ญ๐ฎ๐ซ๐ & ๐๐ง๐๐ฅ๐ฒ๐ฌ๐ข๐ฌ: Translate your ideas into clear and accurate schematics, utilizing SPICE simulation for robust design decisions.
๐น ๐๐๐ ๐๐๐ฒ๐จ๐ฎ๐ญ & ๐๐ฉ๐ญ๐ข๐ฆ๐ข๐ณ๐๐ญ๐ข๐จ๐ง: Convert schematics into efficient and manufacturable layouts, prioritizing signal integrity (SI), power integrity (PI), and high-speed signal routing (DDR/PCI), for optimal performance.
๐น ๐๐๐ฏ๐๐ง๐๐๐ ๐๐ข๐ฆ๐ฎ๐ฅ๐๐ญ๐ข๐จ๐ง๐ฌ: Analyze your design for critical aspects like SI, PI, thermal behavior, EMI/EMC/ESD, and PDN analysis using industry-standard tools.
๐น ๐๐๐ ๐๐๐ฌ๐ข๐ ๐ง ๐๐๐ซ๐ฌ๐๐ญ๐ข๐ฅ๐ข๐ญ๐ฒ: Experienced in designing diverse PCBs, including:
โผ Mixed-signal multilayer PCBs
โผ High-density interconnect (HDI) PCBs
โผ Rigid-flex and flex PCBs
โผ RF circuits
โผ Consumer & Industrial electronics products
โผ Digital and analog system
โผ Battery-powered and low-power PCBs
๐น ๐๐จ๐ฐ๐๐ซ ๐๐ฎ๐ฉ๐ฉ๐ฅ๐ฒ ๐๐๐ฌ๐ข๐ ๐ง: Proficient in designing power supplies utilizing various topologies.
๐น ๐๐๐ฌ๐ข๐ ๐ง ๐๐จ๐ซ ๐๐๐ง๐ฎ๐๐๐๐ญ๐ฎ๐ซ๐๐๐ข๐ฅ๐ข๐ญ๐ฒ & ๐๐๐ฌ๐ญ๐๐๐ข๐ฅ๐ข๐ญ๐ฒ (๐๐ ๐/๐๐ ๐): Ensure your PCB adheres to industry standards for manufacturability and testability, optimizing production efficiency.
๐น ๐๐ฅ๐๐๐ซ & ๐๐จ๐ง๐๐ข๐ฌ๐ ๐๐๐ฌ๐ข๐ ๐ง ๐๐๐ฅ๐ข๐ฏ๐๐ซ๐ฒ: Provide well-organized design files and documentation for seamless production.
๐๐จ๐ซ๐ค ๐๐ซ๐จ๐๐๐ฌ๐ฌ:
I prioritize clear communication and collaboration throughout the entire process. My streamlined workflow ensures efficient project completion with estimated timelines:
โ Initial Consultation (15 minutes): Discuss your project needs and goals.
โ In-depth Project Discussion (30 minutes): Clarify requirements and expectations.
โ Requirement & File Sharing (variable): Share any relevant information.
โ Expert Development & Design (variable): I handle the technical aspects, keeping you updated throughout the process.
โ Clear & Concise Deliverables (variable): Receive well-organized code, design files, and documentation.
โชโพโผ๐ ๐ข๐ฎ ๐ฑ๐ข๐ด๐ด๐ช๐ฐ๐ฏ๐ข๐ต๐ฆ ๐ข๐ฃ๐ฐ๐ถ๐ต ๐ค๐ฐ๐ญ๐ญ๐ข๐ฃ๐ฐ๐ณ๐ข๐ต๐ช๐ฏ๐จ ๐ธ๐ช๐ต๐ฉ ๐ค๐ญ๐ช๐ฆ๐ฏ๐ต๐ด ๐ต๐ฐ ๐ต๐ณ๐ข๐ฏ๐ด๐ญ๐ข๐ต๐ฆ ๐ต๐ฉ๐ฆ๐ช๐ณ ๐ช๐ฏ๐ฏ๐ฐ๐ท๐ข๐ต๐ช๐ท๐ฆ ๐ช๐ฅ๐ฆ๐ข๐ด ๐ช๐ฏ๐ต๐ฐ ๐ต๐ข๐ฏ๐จ๐ช๐ฃ๐ญ๐ฆ ๐ฉ๐ข๐ณ๐ฅ๐ธ๐ข๐ณ๐ฆ ๐ด๐ฐ๐ญ๐ถ๐ต๐ช๐ฐ๐ฏ๐ด. ๐๐ฐ๐ฏ๐ต๐ข๐ค๐ต ๐ฎ๐ฆ ๐ต๐ฐ๐ฅ๐ข๐บ ๐ต๐ฐ ๐ฅ๐ช๐ด๐ค๐ถ๐ด๐ด ๐บ๐ฐ๐ถ๐ณ ๐ฑ๐ณ๐ฐ๐ซ๐ฆ๐ค๐ต!โผโพโช
Arduino
Arduino Firmware
Internet of Things Solutions Design
Multilayer PCB
PCB Design
Robotics
Altium Designer
Control Engineering
Schematic
Wireless Communication
Electronic Circuit Design
Digital Electronics
Automation
Industrial Automation
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