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I am a Hardware Engineer with 10+ years of experience in PCB Design, Microcontroller Programming, and Embedded Systems development. I specialize in building robust Hardware solutions using ESP32, STM32, Arduino, and Raspberry Pi platforms. From initial Schematic capture in Altium or KiCad to final production-ready devices, I deliver high-performance electronics that work in the field. Highlights: - 100% Client success score - 95% first-pass PCB success rate across 100+ boards - Reduced BOM cost by 10–20% per unit through component optimization - Designed and reviewed 100+ PCBs across IoT, industrial, and automotive sectors - Firmware optimized on battery-powered ESP32 devices 📍 Core Services: Professional PCB Design & Schematic Capture - High-quality PCB Design delivery using Altium and KiCad with 100+ commercial products launched globally. - Schematic development and PCB Design for high-density multilayer boards (up to 16+ layers, microvias, HDI). - Hardware Design focusing on DFM/DFA, achieving 98% First-Time-Right fabrication with zero board respins. - Expertise as a PCB Designer in Altium Designer, KiCad PCB, and EasyEDA with 10,000+ hours of hands-on layout experience. - PCB Design for PCB Audio, RF (up to 6+ GHz), and high-speed digital interfaces (DDR4/PCIe Gen4 length matching). - Professional PCB Design and Circuit Designer services for Electronics projects, cutting time-to-market by 30% via IPC-Class 3 compliance. Expert Microcontroller Programming & Firmware: - Expert Microcontroller Programming for diverse industrial and consumer platforms with 99.9% uptime in production. - Microcontroller Programming for ESP32, STM32, Arduino, and Raspberry Pi, covering 200+ deployed nodes. - Embedded Systems development using Embedded C and C language, optimizing memory footprint by up to 40%. - Custom Firmware and Embedded Software for Embedded Systems IoT applications with MISRA C compliance and AES-256 security. - Advanced Microcontroller Programming for ESP32 Firmware, STM32 HAL, and Arduino Programmer tasks with FreeRTOS multi-threading. - Embedded Systems and Microcontroller Programming for Robotics and Python-based logic, accelerating sensor polling rates by 3x. Strategic Leadership & IoT Solutions: - I lead ARTAXE Electronics, a hardware engineering team. As CEO and Electronics Engineer, I ensure every Embedded Systems project is scalable and commercially viable, managing $500K+ in R&D budgets. - IoT architecture for ESP32 and Raspberry Pi systems, supporting 10k+ active concurrent devices in the cloud. - Embedded Systems Engineer services for Embedded Systems with long-range connectivity (LoRaWAN/LTE-M up to 15km range). - Integration of Schematic designs with Antenna Design and PCB Firmware, improving signal integrity and wireless range by 25-30%. - Deployment of Embedded Systems for AgTech (PivotHawk) and industrial monitoring across 50,000+ hectares / 100+ industrial sites. Mechanical Design & Enclosure Development - Bridging the gap between an Electrical Engineer and a Mechanical Engineer, ensuring 0mm clearance errors via precise ECAD-MCAD co-design. - Mechanical Design using SolidWorks, AutoCAD, and CAD tools with 0.05mm tolerance precision. - Enclosure Design and Industrial Design for IP-rated devices (up to IP67/IP68 water & dustproof standards). - Professional Mechanical Design Engineer and Enclosure Designer support, optimizing parts for injection molding to cut tooling costs by 20%. - Mechanical Designer services for custom Hardware housing, validated through 50+ rapid prototypes (3D-printed ASA/SLA). Why Partner With Me❓ ✅ Altium & KiCad Mastery: Expertise in Altium for high-end professional projects and KiCad for open-source flexibility. The workflow in Altium ensures precision, while KiCad provides cost-efficiency. ✅ Prototyping & Production: I don't just create a Schematic; I deliver a working device. From Arduino prototypes to STM32 production units. ✅ Comprehensive Hardware Support: Every Hardware project includes a thorough Schematic review and PCB Design Circuit Design validation. ✅ Reliable Microcontroller Programming: Providing Embedded Engineer grade code for ESP32, STM32, and Raspberry Pi nodes. 💡 Technical Toolkit: ✅ Software: Altium, KiCad, EagleCAD, EasyEDA, SolidWorks, AutoCAD. ✅ Platforms: ESP32, STM32, Arduino, Raspberry Pi, nRF52, i.MX8. ✅ Focus: Embedded Systems, IoT, PCB Design, Microcontroller Programming. Ready to bring your hardware vision to life❓ From the initial Schematic stage to the final PCB Design and production support, I am dedicated to your project's success. Whether you need a simple prototype or a complex Hardware system, let's discuss how my expertise can drive your innovation forward. ❗ Click the "Message" or "Invite" button to start a conversation about your project today❗

✅ Hardware Designer | ✅ Embedded & Firmware Developer | ✅ Software Engineer I'm an experienced electronic engineer with over 14 years of expertise in hardware and software design. My key strengths include: - PCB Design - Circuit Design - Firmware Development for STM8 & STM32 Whether you need a custom PCB layout, a sophisticated circuit, or reliable firmware, I’m here to deliver innovative solutions that meet your needs. Core Skills: - Programming: C, C++, Python, PyQt, Bash - Tools: KiCAD, Altium Designer, LtSpice, IAR, STVD + COSMIC, Keil, Postman, Wireshark, PyCharm, MySQL Workbench, Visual Studio, Eclipse, Git Extended Experience In my most recent project, I utilized: - Project Management Tools: Jira, Confluence, Bitbucket - Embedded Software: C, C++, Python, Embedded Linux, MariaDB, Qt - PC Software: Python, PyQt - Cloud Technology: AWS, Python, MariaDB, Docker, JavaScript - PCB Design Tools: Altium Designer, KiCAD, LtSpice - Testing & Debugging: UL2524, Wireshark, Postman, MySQL Workbench, Oscilloscope, Digital Analyzer, Soldering Equipment Let's Work Together: With my broad skill set and attention to detail, I can turn complex engineering challenges into seamless, practical solutions. I’m excited to collaborate and bring your projects to life!

❤Thank you for visiting my profile.❤ My name is Tetiana Medetska, 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.

ARRANGEMENT problems are often MIXING problems. And MIXING problems are ARRANGEMENT problems. A strong mix is created by a specialist who understands both processes. My name is Dmitry — Composer, Producer and Mixing & Mastering Engineer. ━━━━━━━━━━━━━━━━━━ KEY SKILLS ━━━━━━━━━━━━━━━━━━ • Mixing • Mastering • Vocal Processing & Manual Tuning • Sound Design • Custom Sound Creation (from scratch) • Sound Synthesis • Audio Editing • Full-Cycle Music Production ━━━━━━━━━━━━━━━━━━ EXPERIENCE ━━━━━━━━━━━━━━━━━━ 🎻 13 years in music • 8 years — violinist & vocalist • 5 years — sound producer Genres: Hip-Hop • Pop • R&B • Reggae • Cinematic • EDM • Dancehall My work has been recognized by Ukrainian producers and released on streaming platforms. ━━━━━━━━━━━━━━━━━━ HOW I HELP CLIENTS ━━━━━━━━━━━━━━━━━━ As a performer, I understand real artist struggles: • weak mix • unclear instruments • vocals clashing with instrumental • lack of sonic identity • bad translation across devices • muddy arrangement These are mixing and arrangement issues — and I fix them. ━━━━━━━━━━━━━━━━━━ 📩 Click Message and let’s talk. Your music deserves a powerful, clean and professional sound.

Embedded hardware and firmware engineer with 25+ years of experience developing electronic devices from idea to production. I design schematics, PCBs, embedded firmware and help clients bring prototypes to manufacturable products. Experience includes industrial electronics, battery-powered devices, IoT, sensors, communications interfaces and microcontroller firmware.

✅ Top-Rated Upworker - Senior Hardware Engineer, Mass Production Expert, Firmware and Software developer - To Get Your Project Developed From Scratch To Mass Production. With 30+ years experience in electronics engineering designed power, analog and digital electronics, including PCB, embedded and mechanics design. I have served a wide variety of industries and have developed initial concepts and prototype devices as well as producing products that go into full scale production manufacturing. Key Offerings: •Digital circuits design •Power circuits design •Analog, precision and low noise circuits PCB design •Housing and mechanics for electronics •Consulting in electronics •Cost optimization of existing projects •Developing modern analogues of existing devices •Software and firmware development •Server solutions Projects developed by me include: - Compact single board ARM computer/router - Virtual reality suit for medical purposes - Autonomous, solar-powered lamp with controller for DIN-rail - Smart Battery Management System (BMS) - Linux body cam