Hire the best ESP32 experts for your company

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.

Comprehensive Product Development Services Under One Roof At our company, we provide end-to-end product development services, all conveniently managed under one roof. Our team of seasoned professiona... Read more

Comprehensive Product Development Services Under One Roof At our company, we provide end-to-end product development services, all conveniently managed under one roof. Our team of seasoned professionals is committed to delivering exceptional quality at every stage of the development process. From ideation and design to prototyping, testing, and manufacturing, we specialize in turning concepts into fully realized products. Leveraging state-of-the-art facilities and cutting-edge technology, we craft innovative solutions tailored to meet the unique needs of each client. We pride ourselves on delivering projects on time and within budget, without compromising on quality. Trust us to transform your product ideas into reality with our complete, turnkey development services.

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.

Hardware Design Engineer specializing in High-Speed Digital, Power Electronics, and complex PCB layouts (up to 6-layer HDI). Proven ability to architect commercial-grade systems from schematic capture... Read more

Hardware Design Engineer specializing in High-Speed Digital, Power Electronics, and complex PCB layouts (up to 6-layer HDI). Proven ability to architect commercial-grade systems from schematic capture to routing of impedance-controlled buses (PCIe, USB 3.0, Gigabit Ethernet). Adept at component-level hardware diagnostics, board bring-up, and SMD rework.

I’m an Embedded Hardware Engineer with strong expertise in PCB design and embedded systems development. I design production-ready PCBs using Altium Designer and develop embedded software. Over the yea... Read more

I’m an Embedded Hardware Engineer with strong expertise in PCB design and embedded systems development. I design production-ready PCBs using Altium Designer and develop embedded software. Over the years, I’ve worked on projects such as: - 6-layer BLDC Motor Inverter PCB with CAN communication - Auto-Ranging Multimeter (hardware + firmware) - Custom Development Boards (ESP32-S3, TM4C123GXL, RP2040) My services cover PCB Design, Embedded Systems Programming (AVR, ARM Cortex-M, ESP32) I’m passionate about creating innovative and efficient hardware solutions that bring ideas to life.

I am a Mechatronics Engineering graduate passionate about embedded systems, robotics, and electronics. I specialize in Embedded C development, writing efficient, low-level firmware for microcontroller... Read more

I am a Mechatronics Engineering graduate passionate about embedded systems, robotics, and electronics. I specialize in Embedded C development, writing efficient, low-level firmware for microcontrollers. I have experience in Arduino-based prototyping and hardware-software integration. I also design schematics and multi-layer PCBs using KiCAD, focusing on signal integrity, power management, and manufacturable designs. I am driven to solve real-world problems through innovative hardware and software solutions. Feel free to reach out for end-to-end embedded solutions.

Embedded systems architect with extensive experience designing, developing, and mass-producing mission-critical electronic products for the energy, utilities, security, and oil & gas sectors. I've su... Read more

Embedded systems architect with extensive experience designing, developing, and mass-producing mission-critical electronic products for the energy, utilities, security, and oil & gas sectors. I've successfully delivered 8+ commercial hardware products currently deployed at scale across hundreds of field units. My work spans the full product lifecycle — from concept and R&D, through circuit design and PCB layout, to firmware development and mass manufacturing. Core expertise: - Microcontrollers: ESP32, STM32, ARM Cortex, Arduino - PCB Design: from schematic to production-ready Gerbers - Firmware: C/C++, FreeRTOS, OTA remote updates, MQTT, device drivers - Communication: LoRa, BLE, Wi-Fi, Cellular (2G/3G/4G), Satellite, VHF, RS485 - Sensors: Ultrasonic, seismic, acoustic, optical, temperature, pressure, current/voltage - IoT & Cloud: AWS IoT, MQTT, web dashboards - Power: Solar, ultra-low power design, battery management, energy harvesting All my firmware deliverables include a built-in OTA (Over-The-Air) update system with a web-based MQTT management interface — fully developed and field-tested across hundreds of devices. Highlights: - 3 technology patents (gas metering, ultrasonic measurement, optical coding) - Petrobras Inventor of the Year award - National Innovation Award (CNI - Brazil) - International publication (Society of Petroleum Engineers) - Postgraduate specialization in Artificial Intelligence I deliver production-ready solutions — not just prototypes.

Hello! I am an experienced electrical engineer and PCB designer with over 10 years of expertise in developing innovative, reliable, and high-quality electronic solutions across diverse industries. Hol... Read more

Hello! I am an experienced electrical engineer and PCB designer with over 10 years of expertise in developing innovative, reliable, and high-quality electronic solutions across diverse industries. Holding a bachelor’s degree in electrical engineering, I have a proven track record of designing, developing, and deploying advanced circuits, embedded systems, and IoT devices. What I Bring to Your Project: • PCB Design & Layout: Skilled in schematic capture and PCB layout using Altium Designer, Cadence, PADS Mentor Graphics, KiCad, EasyEDA, and RapidHarness. I have extensive experience designing multi-layer (up to 24 layers), high-density, HDI PCBs suitable for medium and high-volume production. I am familiar with manufacturing processes including JLCPCB for PCB fabrication and local support within China to facilitate manufacturing, prototype assembly, and quick revisions. I am committed to providing results on time and maintaining clear, prompt communication with clients. • Microcontroller & Firmware Development: Proficient in programming STM32, ESP32, PIC, AVR, STM8, and STC microcontrollers using Keil, STM32CubeIDE, VSCODE, MPLAB X IDE, and more. I excel in developing firmware for IoT, automation, and embedded systems. • IoT & Wireless Communication: Expertise integrating Bluetooth, BLE, LoRa, NB-IoT, RFID, WiFi (4G), MQTT, and other protocols into embedded systems. • Sensor & Display Systems: Development of color screens, segment displays, touch panels, and interface solutions for user-friendly product experiences. • Communication Protocols: Extensive experience with I2C, SPI, UART, CAN, RS232/485, Modelbus RTU, IR, RF (433/315 MHz, 2.4G, 4G, LoRa). • Reverse Engineering & Troubleshooting: Capable of analyzing, debugging, and optimizing complex circuits. • Power & Multimedia Systems: Power management circuits, LED lighting, audio devices, sensors, and multimedia integration. • Support for China Local Manufacturing(PCBWAY, JLCPCB): In addition to design, I offer local support within China to facilitate manufacturing, prototype assembly, and quick revisions. This ensures smooth collaboration and shorter lead times Why Work With Me: I am passionate about delivering precise, innovative, and reliable designs tailored to your specific needs. I prioritize quality, efficiency, and clear communication to ensure your project’s success — from prototype to production. I am committed to providing results on time and responding promptly to any client inquiries, ensuring smooth and efficient collaboration.

Professional PCB Design Engineer with 25+ completed client projects, delivering robust, production ready embedded hardware. Specialized in multilayer PCB design, including controlled impedance routi... Read more

Professional PCB Design Engineer with 25+ completed client projects, delivering robust, production ready embedded hardware. Specialized in multilayer PCB design, including controlled impedance routing, high-speed interfaces USB, PCIe, HDMI, Ethernet, power integrity, Arduino, STM32, ESP32. I provide schematics, optimized layouts and boards, Gerber packages, BOM, pick and place, stackup definition, DFM ready files with Firmware Development. If it’s a custom PCB project or product prototype, I’ll deliver reliable, production ready PCB designs with professional support and fast communication.

Hello Everyone! I help businesses and innovators design and develop reliable IoT and Embedded Systems solutions that automate processes, enhance efficiency, and bring smart devices to life. As an E... Read more

Hello Everyone! I help businesses and innovators design and develop reliable IoT and Embedded Systems solutions that automate processes, enhance efficiency, and bring smart devices to life. As an Electrical Engineer specializing in Embedded Systems, IoT, and Microcontroller Programming, I provide end-to-end hardware and firmware solutions tailored to your project’s needs. I turn complex electronics concepts into practical, scalable, and robust devices. I have hands-on experience with microcontrollers such as ESP32, STM32, and Arduino. My expertise covers sensor integration, real-time embedded systems, and seamless hardware–software communication. I also implement communication protocols like UART, SPI, I2C, and MODBUS to ensure reliable and efficient data exchange across your devices. In addition to electronics design, I also create **2D and 3D designs using AutoCAD** for PCB enclosures, product housings, and mechanical components—helping you visualize and build complete, ready-to-manufacture solutions. **My core skills include:** • Embedded C/C++ Programming • ESP32, STM32, Arduino Development • Sensor Integration and Data Acquisition • IoT System Development • PCB Prototyping and Hardware Debugging • Serial Communication Protocols (UART, SPI, I2C, MODBUS) • AutoCAD 2D & 3D Design (PCB Enclosures & Mechanical Parts) I focus on delivering clean, efficient, and reliable solutions that meet your exact requirements. Whether it’s building custom IoT devices, automating processes, designing enclosures, or developing smart electronics, I help you bring your ideas to reality. Let’s collaborate to create systems that perform flawlessly and add real value to your project.

Automation and Embedded Systems Engineer with experience in electronics, firmware development, and PCB design. I work with microcontrollers such as Arduino, ESP32, ESP8266, and Raspberry Pi, developi... Read more

Automation and Embedded Systems Engineer with experience in electronics, firmware development, and PCB design. I work with microcontrollers such as Arduino, ESP32, ESP8266, and Raspberry Pi, developing hardware and software solutions for automation and IoT projects. My experience includes sensor integration, communication protocols, basic industrial automation, and custom PCB development. I design electronic circuits, create schematics and PCB layouts, and develop embedded firmware focused on reliability and performance. I also have experience with system testing, debugging, and prototyping. My main goal is to deliver efficient, reliable, and cost-effective engineering solutions, always focusing on quality and client satisfaction. Skills: • Embedded Systems • Automation Systems • PCB Design • Electronics Engineering • IoT Solutions • Firmware Development • Hardware Integration • Prototyping and Testing

💡 Key Skills and Expertise 💎 Electrical Engineering 💎 Electronics Design 💎 MATLAB Programming 💎 Circuit Analysis 💎 PCB Design 💎 Arduino/ESP32/ESP8266 Programming 💎 PLC Programming 💎 Factory I... Read more

💡 Key Skills and Expertise 💎 Electrical Engineering 💎 Electronics Design 💎 MATLAB Programming 💎 Circuit Analysis 💎 PCB Design 💎 Arduino/ESP32/ESP8266 Programming 💎 PLC Programming 💎 Factory I/O 💎 Electrical/Electronics Lab Work 💎 Custom Electronics Solutions 💎 High Voltage Engineering 💎 HV Testing Hello! 👋 I am a dedicated and passionate Electrical Engineer with over 6 years of hands-on experience in solving complex electrical and electronics challenges. My expertise spans across multiple domains, making me your go-to professional for all things related to Electrical and Electronics Engineering. Whether you’re working on academic projects, industrial automation, or custom electronics solutions, I bring meticulous attention to detail and innovative thinking to every task. Your success is my priority! 💼 What I Offer: 💻 MATLAB Programming & Simulations: ✅ Developing scripts and models for analysis, simulations, and optimization. ✅ Signal processing, control systems, and mathematical modeling. 🔧 Circuit Analysis & Troubleshooting: ✅ Analysis of AC/DC circuits, transient, and steady-state behaviors. ✅ Solving complex electrical problems with precision. 🖥️ PCB Design: ✅ Designing custom PCBs with industry-standard tools. ✅ Layout optimization and ensuring manufacturability. 🤖 Microcontroller Programming: ✅ Expertise in Arduino, ESP32, and ESP8266. ✅ Developing firmware for IoT devices and automation projects. ⚙️ PLC Projects: ✅ Design and implementation of PLC-based automation systems. ✅ Working with ladder logic and advanced programming techniques. 🔬 Lab Support & Guidance: ✅ Assisting with electrical and electronics lab experiments. ✅ Providing detailed reports and documentation. 📜 Why Work with Me? 💎 Professional Expertise: Years of hands-on experience backed by a solid academic foundation. ⚡ Quick Turnaround: I work efficiently to deliver high-quality results on time. 🛠️ Custom Solutions: Tailored approaches for unique project requirements. 🌟 24/7 Availability: Always ready to assist, regardless of your time zone. 🤝 Client Satisfaction: Aiming to exceed expectations on every project. 🛠️ Let’s Work Together! I am eager to collaborate on your next project and bring your ideas to life. Whether it’s a one-off task or an ongoing project, I’m here to provide reliable, high-quality service that helps you achieve your goals. 📩 Message me now, and let’s get started!

Thank you for visiting my profile. I'm Engr. Muhammad Uzair, a hardware and firmware engineer with 6+ years of experience delivering production-ready electronic solutions. I specialize in: - Multil... Read more

Thank you for visiting my profile. I'm Engr. Muhammad Uzair, a hardware and firmware engineer with 6+ years of experience delivering production-ready electronic solutions. I specialize in: - Multilayer PCB design (up to 8 layers) — signal integrity, RF, IoT, and power electronics - Power electronics design — DC-DC and AC-DC conversion circuits - Firmware development for STM32, dsPIC, ESP32/ESP8266 with UART, SPI, I2C, CAN, USB, and MODBUS - RF circuit design — filters, antenna tuning, and wireless systems From schematic capture to Gerber files and working prototype — I manage the full design cycle with precision and on-time delivery. Let's bring your ideas to life!

I'm a senior electronic and embedded system engineer with aged experience in firmware development, hardware design and PCB development. I work across the full embedded stack, from circuit design and... Read more

I'm a senior electronic and embedded system engineer with aged experience in firmware development, hardware design and PCB development. I work across the full embedded stack, from circuit design and PCB layout to firmware implementation and system integration, with a strong focus on delivering reliable, efficient, real-world solutions. I have hands-on experience with both microcontrollers and embedded Linux systems and I'm comfortable debugging complex issues across hardware and firmware layers. My project background includes IoT devices, sensor systems, control systems, DSP and FPGA-based designs. Depending on the application, I work with platforms like ESP32, STM32, Arduino-based systems, Raspberry Pi and FPGA boards. Alongside electronics I also work with CAD tools and Solidworks supporting seamless mechanical and electronic integration as part of complete product development.

I design embedded electronics and PCBs for practical, buildable products. My experience includes schematic review, PCB layout, component selection, power supply design, USB/UART interfaces, battery-po... Read more

I design embedded electronics and PCBs for practical, buildable products. My experience includes schematic review, PCB layout, component selection, power supply design, USB/UART interfaces, battery-powered devices, audio circuits, displays, sensors, and microcontroller-based control systems. I work mainly with ESP32-family devices, Arduino/PlatformIO firmware, EasyEDA / KiCad, JLCPCB-ready manufacturing files, and mixed hardware/firmware bring-up. I have designed and developed ESP32-S3 audio and speech-processing hardware and firmware using I2S microphones, speaker amplifiers, SD cards, Wi-Fi, touch displays, etc. My focus is clean, manufacturable PCB layout, reliable power and grounding, clear documentation, and practical designs that can be assembled, tested, and improved quickly.

Innovative Electrical Engineer with over 5 years of experience in embedded systems, PCB design, and IoT hardware. Specialized in analog/digital circuit design, low-noise PCB layout, and prototype-to-p... Read more

Innovative Electrical Engineer with over 5 years of experience in embedded systems, PCB design, and IoT hardware. Specialized in analog/digital circuit design, low-noise PCB layout, and prototype-to-production engineering using Altium Designer, STM32, and ESP32 platforms. Delivered high-performance, reliable systems across automotive, industrial, and consumer applications. A fast learner and passionate researcher in semiconductor technologies and AI-assisted electronics, consistently turning complex technical concepts into practical, high-impact solutions.

My Name is Jamal. I am very much committed to work hard and play a vital role in the progress of the project/company.

My Name is Jamal. I am very much committed to work hard and play a vital role in the progress of the project/company.

I am an electronics engineer with a strong focus on PCB design and embedded systems. My background includes circuit design, component selection, schematic capture, and multi-layer PCB layout, with han... Read more

I am an electronics engineer with a strong focus on PCB design and embedded systems. My background includes circuit design, component selection, schematic capture, and multi-layer PCB layout, with hands-on experience in microcontrollers and low-level programming. I am comfortable working with real-world constraints such as signal integrity, power distribution, EMI considerations, and manufacturability.

Hi, I’m Engr. STEEVE, a PCB Design & Electronics Engineering Specialist with expertise in schematic design, multilayer PCB layout, circuit optimization, and hardware prototyping. I deliver professiona... Read more

Hi, I’m Engr. STEEVE, a PCB Design & Electronics Engineering Specialist with expertise in schematic design, multilayer PCB layout, circuit optimization, and hardware prototyping. I deliver professional, manufacturable PCB designs using industry-standard tools, ensuring reliability, performance, and cost efficiency. Whether you need a custom PCB, circuit design, component selection, or design review, I provide high-quality solutions with clear communication and on-time delivery. Let’s bring your electronics project to life.

I am an embedded systems engineer specializing in KiCad PCB design, ESP32 and STM32 firmware development, and Python hardware automation tools. I design complete IoT systems from schematic to manufact... Read more

I am an embedded systems engineer specializing in KiCad PCB design, ESP32 and STM32 firmware development, and Python hardware automation tools. I design complete IoT systems from schematic to manufacture-ready PCB — not just layouts that look good on screen. My real project experience includes HomeNode — a full wireless smart home system designed entirely from scratch. This included 4-layer KiCad PCB design for sensor nodes, mains-powered actuator nodes, and a central hub, with proper power management, DFM-ready Gerbers, BOM, and CPL files for turn-key assembly at PCBWay. I deliver clean, documented, manufacturable work. Message me to discuss your project before ordering

I am an experienced embedded hardware and firmware engineer specializing in high-performance, low-power and compact device development with over 10+ years. My expertise covers a wide range of embedded... Read more

I am an experienced embedded hardware and firmware engineer specializing in high-performance, low-power and compact device development with over 10+ years. My expertise covers a wide range of embedded processors and communication interfaces, as well as advanced signal and sensor integration. Key Skills: - Embedded processors: STM32, ESP32, TMS32, DM3730, DA14583, LoRa, nRF52, Arduino, Atmega, PIC, RAK4, SIM7 - High-speed routing up to 24 Gbps PCIe, SDI - Memory interface: SRAM, DDR, DDR2, DDR3, DDR4 - Communication: PCIe, SATA, HDMI, Ethernet, USB, UART, SPI, I²C, CAN, RS485/422, RS232C -Wireless: Bluetooth, Wi-Fi, Z-Wave, Zigbee, RFID Sensor integration: ECG, PPG, HRM, SPO₂, CO₂, Temperature, PIR, Touch, Pressure - Simulation tools: MATLAB, Proteus, Multisim, HyperLynx. My Advantages - Stable and reliable design - Fast and precise development - Deep industrial understanding - Safety and ergonomic awareness - Cost-effective manufacturing insight - Strong collaboration experience - High-quality prototype to product - Commitment to perfection Over a decade of successful embedded design experience, completing numerous projects across industrial, medical, and IoT applications. Proven ability to deliver top-quality results in minimal time through strong technical insight, practical design sense, and effective client collaboration.

Embedded Systems Engineer | Expert in ESP32, STM32 & IoT PCB Design | I create custom hardware, write firmware, integrate with ROS, and test prototypes for real-world applications. I have worked on ro... Read more

Embedded Systems Engineer | Expert in ESP32, STM32 & IoT PCB Design | I create custom hardware, write firmware, integrate with ROS, and test prototypes for real-world applications. I have worked on robots and drone.