Hire the Best Atmel AVR Specialists

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

Hello! I’m Ben, a hardware and firmware expert with 8+ years of experience in designing hardware, programming embedded systems, and developing high-performance software solutions. My goal is to provide innovative, reliable, and high-performance solutions that meet your needs. With a strong track record on Fiverr (Level 2, 5 stars) and Upwork (Top Rated Plus, 5 stars), I have successfully delivered top-tier service to over 100 clients. What I Offer 1. End-to-End Embedded & Hardware Solutions - Advanced PCB Design & Hardware Development: Expertise in schematic capture, PCB layout, and multi-layer board design for reliable, high-performance, and manufacturable products. Experienced with KiCad, Altium, OrCAD, and Eagle. - High-Speed Design: Strong experience in 1–12 layer PCBs, including DDR3/DDR4/LDDR4, PCIe, USB (2.0/3.0/3.1/3.2), HDMI and 10/100/1000/10Gbase-T1 Ethernet. - Microcontrollers & SoMs: Firmware and hardware development for ARM Cortex-M3/M4 (STM32, ESP32, Nordic nRF52/53/91 series); custom boards for Raspberry Pi CM4/CM5, Orange Pi, iMX8, Jetson Nano/Xavier/Orin, RK3588, RK3568, RV1126, Allwinner, Zynq-7010. - Power & Hardware Integration: Experience in DC-DC, AC-DC, Buck, Boost, and Flyback converters, along with hardware design involving audio, RF modules, PA, LCD, filters, RFID, touch screens, and LVGL-based interfaces. - Prototype, Testing & Validation: Full support for board bring-up, debugging, validation planning, and functional testing to ensure hardware works reliably in real-world applications. - Manufacturing & Prototyping Support: Preparation of BOM, Gerber, and manufacturing-ready files, with hands-on support for prototype production and manufacturing through JLCPCB and PCBWAY. 2. Robust Firmware Development - Languages & Development: Strong embedded firmware development in C/C++, Python with experience using Visual Studio Code, STM32CubeIDE, Arduino IDE, ESP-IDF, and Segger. - Communication Protocols: Proficient in USB, UART, I2C, SPI, I2S, RS232, and RS485, enabling reliable communication across embedded systems and connected devices. - Wireless & Connected Systems: Experience with BLE, BLE Mesh, ZigBee, UWB, LoRa, NB-IoT, 4G LTE, Wifi, WiFi Mesh, and NFC for IoT and wireless product development. - Sensor: light sensor, CO, Smoke Sensor, Dust Sensor, Air Sensor, pH sensor, IMU sensor, Accelero, Gyro sensor,... - UI/UX for Embedded: Figma, TouchGFX, LVGL for STM32, ESP32, Raspberry Pi. - Motors Control: BLDC, Stepper, Servo, DC Motors - Robotics: Expertise in ROS/ROS2 for applications like AGV, AMR, 6-axis robots. Some of my product that I have designed and released to the market: - Home IP Camera: SoC-based design with DDR3 RAM, Ethernet/Wi-Fi streaming, CMOS image sensor, IR LED array, IR-cut control, USB, and MicroSD - Smart Home Products: Home Gateway with Ethernet, Wi-Fi, Zigbee, and TFT LCD; Smart Switch with capacitive touch, Zigbee, power metering, and AC load control - Tablet Mainboard: RK3399-based board with DDR3, eMMC, touch screen, LTE. - Smart Water Meter: BLE/Wi-Fi design with TI MCU. - Wearable Devices: Low-power wearable designs with wireless connectivity, sensors, and battery management - High-Performance ESC for Drones: Real-time motor control design for efficient and stable drone operation - Custom SBC with AI Module: Raspberry Pi-based SBC solutions with integrated AI capabilities And a lot of other products. With our experience and expertise, I’m confident I can provide tailored solutions to help you complete your project and release your product to the market . I look forward to the opportunity to work with you.

With over 13 years of experience in PCB designing, hardware development, and component sourcing, I have successfully designed and implemented a wide range of projects. My expertise spans various domains, including FPGA-based systems, BLE (Bluetooth Low Energy), IoT (Internet of Things), NB-IoT (Narrowband Internet of Things), and power supply circuits. Key Highlights: - **PCB Design**: Proficient in creating intricate PCB layouts, including high-speed, differential pairs, and RF track and antenna routing. - **Layer Stack-Up**: Accomplished designs with up to 16 layers, ensuring optimal signal integrity and performance. - **EDA Tools**: Adept at using industry-standard EDA tools, including: - **Altium Designer**: Leveraging Altium's comprehensive suite for schematic capture, PCB layout, and 3D visualization. - **Autodesk Eagle and Eagle 360**: Familiar with Eagle's user-friendly interface and cloud-based collaboration features. - **Mentor Pads9.5 and Mentor Graphics PADS Pro VX.2.10**: Experienced in constraint-driven design and signal integrity analysis. - **Orcad Allegro 17.2**: Proficient in complex PCB designs using Cadence's powerful toolset. - **KiCad**: Skilled in open-source PCB design with KiCad, benefiting from its community-driven development. - **PCBweb, EasyEDA & Fritzing**: Versatile in using online platforms for various design requirements. - **MCUs and Processors**: Proficient with various microcontrollers (MCUs) and processors, including: - STM32 family (e.g., STM32F4, STM32H7) - Atmega series (e.g., Atmega328P) - PIC microcontrollers (e.g., PIC16, PIC18) - ARM Cortex-M series (e.g., Cortex-M0, Cortex-M4) - ESP8266 and ESP32 - Raspberry Pi (ARM-based) - Intel x86 processors (e.g., Core i7, Xeon) - AMD Ryzen processors - **FPGA Expertise**: Versed in designing for various FPGA families, tailoring solutions to project-specific requirements. - **Bluetooth Low Energy (BLE)**: A wireless, low-power communication standard for IoT devices. - **Global Navigation Satellite System (GNSS)**: Satellite-based positioning systems (e.g., GPS, Galileo) for location tracking. - **Narrowband IoT (NB-IoT)**: Cellular technology designed for low-power, wide-area IoT applications. - **Quality of Service (QoS)**: Ensuring reliable and predictable performance in IoT networks. PER hour rate for 2 Layer PCB=$10 PER hour rate for 4 Layer PCB =$20 PER hour rate for 6 Layers PCB=$25

I have a rich experience in Embedded products development, hardware & firmware development for Industrial controllers, IoT, Edge AI, Medical devices, Automotive, Wearable devices, Water resource management, Consumer Electronics, and Telecom Products. Hardware Skills and experience: 📌 Hardware architecture and product design, design review, 📌 Designing based on microcontrollers (ARM Cortex M0, M3, M4, M33, ESP32, nRF52xx, nRF54Lxx, RP-2040, NXP, PIC, MSP430, ATMEGA, ATSAM, SOM, etc.) 📌 Altium Designer, KiCad, EasyEDA, Fusion 360, MS Visio, Draw,io, PCB Design & Manufacturing (JLCPCB) 📌 Multi-layer, Multi-board, Mixed signal, high-speed, RF-design, EMI/EMC compliance design, FPC, BGA. 📌 RF Design, Analog, Signal Conditioning, Power Supplies, MPPT Battery Chargers & BMS. 📌 SPI, I2C, I2S, CAN, USB, RS485, Ethernet, LCD, Touch pads, Camera. 📌 DDR3, HDMI, USB2.0/3.0/TypeC, eMMC, SD card. 📌 BLE, Wi-Fi, Sub1GHz, LoRaWAN, RFID, NFC, NB-IoT, Zigbee 📌 IMU sensors, Load Cell, CMOS Image Sensor, Digital Microphone, Motion Sensor, Color Sensor, Light Sensor, CO sensors, Environment Sensor, Temperature & Humidity Sensors. 📌 Flow sensor, Soil moisture sensors, pH sensor, NPK sensor, Ultrasonic sensors, encoders. 📌 SIM7670G, MC60/M95/UC15/UC20/EC20, SIM800C/H. 📌 Digital oscilloscopes, logic analyzers. 📌 Documentation: Product design documents, User manual, Installation manual Firmware Skills and experience: 📌 Designing and Programming based on microcontrollers (ARM Cortex M0, M3, M4, M33, ESP32, nRF52xx, nRF54Lxx, RP-2040, NXP, PIC, MSP430, ATMEGA, ATSAM, SOM, etc.) 📌 VScode, ESP-IDF, nRF Connect SDK, STM32CubeIDE, Arduino, MPLAB X, MCUXpresso, Eclipse, FreeRTOS, Zephyr RTOS, and Yocto Projects. 📌 Raspberry Pi, CLI 📌 Edge AI - TinyML, Edge Impulse, BME AI - Studio 📌 Strong programming skills in Embedded C/C++, Micro python, Bootloader, and Embedded Linux 📌 SPI, I2C, I2S, CAN, USB, RS485, Ethernet, LCD, Touch pads, Camera, GNSS. 📌 BLE, Bluetooth Classic, Wi-Fi, Sub1GHz, LoraWAN, RFID, NFC, NB-IoT, Zigbee 📌 Frameworks/Libraries: ESPHome, TinyGSM, Tiny GPS, LVGL, GFX, TRF7970A, Tasmota, GP2040-CE, WLED. 📌 HMI: Mapple Systems - HMI5071L and cMT2078 📌IMU sensors, Load Cell, CMOS Image Sensor, Digital Microphone, Motion Sensor, Color Sensor, Light Sensor, CO Sensor, Environment Sensor, Temperature & Humidity Sensors. 📌 Flow sensor, Soil moisture sensors, pH sensor, NPK sensor, Ultrasonic sensors, encoders. 📌 SIM7670G, MC60/M95/UC15/UC20/EC20, SIM800C/H. 📌 CAN, CANOpen, SAE-J1939, I2S, EtherNet/IP, Profinet, Modbus TCP, MQTT, and https. 📌 JTAG, SWD, J-Link, ST-Link. Intellectual property protection: I’m a professional engineer and I respect your intellectual property rights, this is an area where I can earn your trust by safeguarding your product, which could involve patents, trademarks, or code protection. This is one of the ways that I offer additional value to my clients. I invite you to reach out to discuss your projects or any questions you might have. I'm open to both short-term and long-term engagements and to help you with high-quality, innovative solutions.

I’m Hamza a Biomedical Engineer with a passion for Embedded Systems, IoT, Electronics, and Robotics. I turn ideas into real, working prototypes and products. Whether it’s designing smart devices, building automation systems, or creating medical technology, I bring innovation to life. What I Do Best: Embedded Systems & IoT Experience with ESP32, NRF52, ATMEL, STM32, PSOC, PIC Work with Raspberry Pi, VisionFive (Linux Board), and Unihiker Programming Proficient in C/C++, Python, Java, MATLAB, JavaScript, and Flutter Connectivity & Communication Skilled in UART, I2C, SPI, MQTT, BLE, BLE Mesh, Sigfox, and Wi-Fi Hardware Design & Prototyping Specialize in PCB Design, 3D Modeling, and Product Prototyping GUI Development Develop Touchscreen Interfaces, E-Paper & TFT Displays, Web Dashboards, and Desktop Applications Work with LVGL, Tkinter, PyQt, and Kivy Framework IoT & Cloud Integration Experienced with AWS IoT, Firebase, ThingsBoard, and WebSocket-based real-time control Industrial IoT (IIoT) Expertise in CAN Communication, Factory Automation, and Smart Sensor Networks Remote Monitoring & OTA Updates Work with ESP-IDF OTA, BLE DFU, and Cloud-Based Device Management I’ve built industrial prototypes, smart sensors, automation systems, and medical devices, real-time data processing and device connectivity. If you need a reliable, high-quality solution, let’s make it happen! Let’s Collaborate!

About Me I am a professional PCB Designer with extensive Altium, Kicad and EasyEDA experience, delivering commercial and non-commercial hardware projects . I create reliable, production-ready, and cost-optimized multilayer PCB designs tailored to client requirements, while ensuring signal integrity, power integrity, controlled impedance, and EMI mitigation. All files are manufacturing-ready for JLCPCB and other PCB factories, including Gerbers, BOMs, and assembly files. I focus on providing efficient, high-quality solutions that meet both technical and budgetary requirements. 🔑My Key Services ✅ Complete Schematic Design based on client requirements ✅ Multilayer PCB Layout with industry best practices (EMI/EMC, impedance control, spacing rules) ✅ BOM Creation + Cost Optimization while keeping parts available and affordable ✅ PCB designs compatible with JLCPCB and other manufacturers, with BOM & CPL files ready for assembly. ✅ Prototyping Support and design review ✅ RF, Antenna, and High-Speed PCB design ✅ Designing a PCB from a problem statement (from concept → prototype → production) ✅ Support in placing PCB & PCBA orders on JLCPCB and other Manufactories Projects I Have Completed ✅ ESP32 and ESP8266 development boards ✅ STM32 custom boards (Blue Pill, Black Pill, Maple, custom designs) ✅ ATmega-based commercial products ✅ Buck/Boost power supply designs ✅ USB 2.0 / 3.0 hardware ✅ Motor drivers, relays, sensors, IoT controllers Applications & Special Expertise ✔ I2C, SPI, UART ✔ RF & Antenna tuning ✔ DC-DC converters (Buck/Boost/LDO design) ✔ Low-noise analog design ✔ Power integrity & thermal optimization Final Deliverables ☑ Source files (PCB + Schematic) ☑ Gerber files for manufacturing ☑ BOM (cost-optimized + alternatives) ☑ Pick & Place files ☑ PDF documentation