Hire the Best Zigbee Freelancers
in Ukraine

I'm a LabVIEW developer with 8+ years experience. Highly skilled in LabVIEW application development, including Real-Time and desktop applications. I develop measurement systems for aircraft test stands using controllers NI cRIO and equipment NI. Worked with various devices using industrial communication protocols (including Modbus TCP/RTU, EtherCAT, etc) and equipment from different manufacturers. Experience with databases (MySQL, MSSQL, SQLite), binary and text files. Development of software of varying difficulty based on the Arduino hardware. Extensive experience in the development of projects for HMI.

✅ 100% Client Recommendation ✅ Top Embedded and Firmware developer ✅ Top Hardware designer ✅ Top Software design ✅ Top Mechanical design and industrial design ✅ Top Enclosure design Services: 1) Hardware/Electronics design (Power, Analog, Digital/High-speed and RF electronics design) 2) Precertification testing (EMI, ESD, EMC, FCC, CE, UL) 3) Firmware design С/C++ (Bare metal MCU/MPU, FreeRTOS, Zephyr RTOS, Embedded Linux, Wireless protocols, Security, Interfaces, etc) 4) Industrial and Mechanical design (Enclosure design, 3D printing, IP standards, Prepare all for injection molding, etc) 5) UX/UI design (Embedded devices with displays, Mobile and Desktop applications) 6) Software design (Android, IOS, Linux kernel and user space development) 7) Embedded Quality Assurance(QA) and testing 8) Manual verification/testing PCB/FPC, functional and unit testing of the Firmware/Software, stress testing, temperature range testing Service->Hardware design service: - Power electronics design: (PFC, Solar charging controller, chargers, high voltage control, Motor controllers DC/AC/BLDC ) - Analog electronics design: High-accuracy analog measurements, Noise filtration, Digital to analog conversion, Amplifying signal - Digital and high-speed electronics design: - Memories DDRx/LPDDRx, SDRAM, Camera and display interfaces (MIPI-DSI, MIPI-CSI, DisplayPort, etc), Data communication interfaces (QSpi, SPI, UART, I2C, FMC, I2S, USB 2/3.x, etc), ( - RF Designs: ( 50-60 GHz (Radars), 1-6 GHz (UWB, Wifi, BLE, ZigBee, GPS, NB-IoT, LTE-M/LTE, Z-Wave, etc), 13,6 MHz, 128 kHz (NFC, RFID, etc), 433 MHz (Custom protocols) Service->Industrial and Mechanical design - Industrial design of the sketch - it includes a few sketch designs, depending on the physical sizes of the device, specific of industry and user experience - Mechnical CAD design with deep PCB integration - it includes full mechanical draw based on the industrial design with detailed sizes, materials and manufacturing specific. - Thermal calculation and simulation - it includes simulation of the heating device inside enclosure, with theoretical cooling calculation - 3D printing and verification - we use 3D printer hp jet fusion 5210, with a very nice quality of printing, that helps us to make a good verification of parts with PCBs - Injection molding - the last step, which includes manufacturing optimization and making pres forms, preparing documentation for the manufacturing Service->Firmware design С/C++: - Languages: C/C++, Assembler - Diagrams: Block, UML, Workflow, APIs - Interfaces: I2S, SAI, MIPI-DSI, MIPI-CSI, USB 2/3.x, LTDC, DDR3/DDR4/LPDDR4, I2C, SPI/QSPI, UART, CAN, Ethernet - Wireless: NB-IoT, LTE M, GPRS, GPS, LTE, UWB, WiFi, BLE, ZigBee, Z-Wave, LoRa, Thread, 6LoWPAN, Sub 1GHz, NFC (13,6 MHz), RFID 433 MHZ and 128 kHz - Protocols : MQTT, HTTP, FTP, Modbus TCP/RTU, SNMP, TCP/IP, UDP/IP, DLMS, custom protocols - Security: AES, SSL/TLS, custom algorithms - Libs and frameworks: TouchGFX (GUI lib for MCU), emWin (GUI lib for MCU), LVGL (GUI lib for MCU), WolfSSL (SSL/TLS), Mbed TLS(SSL/TLS), osxMotionFX (Sensors fusion algorithm based on the Kalman theory), FatFS, lwIP (TCP/IP stack), WICED (Wifi stack), aws/amazon-freertos, Paho MQTT, TensorFlow - Embedded OS: FreeRTOS, TI-RTOS, ZephyrOs, Embedded Linux, Yocto, ROS - MCUs: NXP (i.MX RT1064, LPC1100, LPC4000), Nordic (NRF52xx/NRF53xx/NRF91xx), TI (CC3220/CC26xx/CC1100/CC3200, MSP430), Espressif (esp32, esp8266), ST(STM32H7/F7/F4/L4/F0/L0/WB/WL/G0 and STM8), Atmel/Microchip(SAM D20/D21/L21/R21/V70/V71, SAMA5/SAM4/SAMD4), Silicon Labs(EFR32, ZGM130S), Cypress (PSoC 3/PSoC 4), Kinetis (Family MK81FN256VDC15), Holtek (HT68xx) - MPUs: Analog Devices (ADSP-2156x SHARC), Qualcomm (Snapdragon 625/425/610/845), Allwinner (A64, A33, H3, H6 series), NXP (I.MX6/I.MX7/I.M8) , ST(STM32MP1) - SOMs: NVIDIA Jetson nano, NVIDIA Jetson Orin Nano, NVIDIA Jetson AGX Orin, Toradex (Colibri iMX6, IMX7, IMX8), Raspberry pi (CM3, CM4 modules), Inforce (Qualcomm Snapdragon 410, 820, 845 SOM), 8devices (Mango on Qualcomm IPQ6000/IPQ6010 Soc), Sensiedge(SensiBle 1 and 2, SensiLora) Service->Software: - Languages: Java, Kotlin, C#, C/C++, Python, Java Script - Diagrams: Block, UML, Workflow, APIs - Interfaces: USB, Ethernet - Protocols : MQTT, HTTP, FTP, Modbus TCP/RTU, SNMP, TCP/IP, UDP/IP, DLMS, custom protocols - Wireless: BLE, WiFi, UWB - Security: AES, SSL/TLS - Libs and frameworks: GStreamer, Paho MQTT, WolfSSL (SSL/TLS), Mbed TLS(SSL/TLS), QT framework, Xamarin Forms and Maui, ASP .NET Core and web development, React (web UI development), SQLite DB, FireBase DB, Mong DB, InfuxDB DB, Room, TensorFlow, Node.js - OS: Android, IOS, Linux, Windows

🌟 Welcome to my Profile! 🌟 👋 Looking for an experienced firmware developer and embedded systems expert to bring your project to life? Look no further! 🔥 Here's why you should consider working with me: 🌟 Client Satisfaction: 87% of my clients recommend my services, and 33% of them become long-term clients. I'm committed to delivering results that exceed your expectations. 🎓 Ph.D. in Radiophysics: With a Ph.D. in Radiophysics and over 20 years of experience, I bring a wealth of knowledge to the table. My expertise spans firmware development, embedded systems, microcontroller programming, and end-to-end project development. 🚀 Proven Track Record: I've successfully completed over 100 projects in diverse domains, including: Internet of Things (IoT) Embedded Electronics Development Machine Vision Smart Home Electronics Wearable Electronics Start-up electronics development (Kickstarter, Indiegogo) Apple HW development Sensors Development Radars Development PCB development, Mass Production 🔍 About Me: I remember the big round eyes of my dad when he saw me with a soldering iron in my little hands, attempting to fix Christmas lights. As I grew older, my passion for engineering only deepened. I hold a degree in Electrical Engineering, and my work revolves around electro-optics, RF/wireless, embedded systems, and harsh environment electronics. Technology is in my DNA, and I thrive on creating and innovating. 🛠️ My Lab: My workspace is a temple of technology, equipped with oscilloscopes, signal generators, power supplies, and various other tools. I'm not limited to specific tools and am open to using whatever is required for your project. I often embrace open-source or low-cost design tools to make high-quality devices accessible. ✅ Areas of Expertise: Embedded systems Analog circuits Digital circuits Low power & battery-operated devices Wireless designs Microcontroller (e.g., AVR, STM, MSP, TMS, etc.) DSP, SDR, RF, UHF design 📡 Microcontroller Experience: I have specific experience with microcontrollers from various manufacturers, including Atmel, Silabs, ST, Cypress, Xilinx, TI, Espressif Systems, and Nordic. 🤖 Embedded Platforms: I'm well-versed in working with platforms such as Raspberry Pi, Beagle Bone, Mediatek, Ratlink, Atheros, Paralela, Qualcomm Snapdragon, and Nvidia Tegra. 💻 Programming Languages: My coding skills include C/C++, Assembler, Python, VHDL, Java, OpenCV, C#, PHP, and JS. 🖥️ Operating Systems: I'm proficient in Embedded Linux, RTLinux, FreeRTOS, embOS, and QNX. 🌐 Standards and Technologies: I'm familiar with WiFi, Bluetooth, BLE, LoRa, OLED, LCD, TFT, Altium Designer for PCB development, inductive and capacitive sensor technologies, and ultra-low power electronics power harvesting. Ready to bring your project to life? Let's collaborate and turn your vision into reality! 🚀

🔌 Powering 3.5M+ connected devices worldwide. I deliver end-to-end IoT and AI-powered solutions from firmware to cloud for Smart Home, Automotive, Energy, and Healthcare industries. 📊 WHY CLIENTS CHOOSE ME: • 3.5M+ IoT devices connected in production (Geeni smart home ecosystem) • 10+ years building IoT products, from PoC to mass production • 599+ hours on active firmware contract (Zephyr RTOS, Nordic, BLE) • AI-powered development: agentic pipelines, intelligent automation, ML integration for IoT • HIPAA-certified team for medical IoT projects • Top Rated Plus, 100% Job Success Score 🔧 WHAT I BUILD: → Firmware Development: Zephyr RTOS, FreeRTOS, ESP32, STM32, NRF, ARM Cortex. SPI, UART, I2C, Modbus, GPIO → Wireless Connectivity: BLE 5.3, Matter, Thread, Zigbee, LoRa, MQTT, LTE-M, NB-IoT, WiFi → IoT Cloud Platforms: AWS IoT Core, Azure IoT Hub, Google Cloud IoT, Firebase, InfluxDB → AI & ML for IoT: predictive maintenance models, anomaly detection, sensor data pipelines, edge AI, agentic workflows → Mobile IoT Apps: React Native, Flutter, Swift, Kotlin — companion apps for connected devices → Security & Compliance: TLS, OAuth2, JWT, Secure Boot, OTA updates, HIPAA compliance 🤖 AI ENGINEERING: I integrate AI across the full IoT stack from edge inference on embedded devices to cloud-based ML pipelines. I build agentic AI systems, intelligent automation workflows, and enterprise-grade AI pipelines that go beyond simple chatbots into production-ready infrastructure. 🏗 INDUSTRIES WE SERVE: • Smart Home — built app ecosystem for 3M+ devices (smart bulbs, cameras, sensors, switches) • Automotive — OBD-II fleet management, connected car platforms, predictive maintenance • Energy — Smart Grid management, EV charging, HVAC telematics with cellular IoT • Healthcare IoT — ECG monitoring wearables, Remote Patient Monitoring (RPM), HIPAA-compliant platforms 👥 TEAM: I also lead a dedicated team of 20+ engineers: embedded/firmware, AI/ML, mobile (iOS + Android), backend, QA, DevOps, and project management. We can work as your extended engineering team — same timezone overlap, daily standups, transparent communication. 💬 MESSAGE ME with your IoT or AI project details — I'll respond with relevant case studies and a preliminary architecture within 24 hours.