Hello Greetings, Believe me this is your, "Best Option" I am a Mechatronics Engineer. I have more than 6 years experience working with "Arduino". You will get Quality Work until 100% Satisfaction. My Services... Arduino Programming/Coding ESP32 Raspberry Pi Arduino Projects Project Reports IOT Projects Circuit Designing Flow Chart (draw.io) PCB Design App Design ( IOS/Android) Connection Diagram Components list Simulations in Proteus/Tinker CAD (Video Demo of your Project) We will interface any circuit to your mobile phone to get data on Screen Why you should choose me? ->Arduino Coding (with comments to understand) ->ESP32 ->ESP8266 ->Components List ->Instructions to use the components ->Project Simulations ->100% money back guarantee Important Components we deal with...!!! Arduino all boards ESP-32 Node MCU P-10 IR module PIR Motion Sensor LDR Ultrasonic HCR-04 Bluetooth HC-05,06 Accelerometer OLED LCD RFID Servo Stepper Motor DC Motors Hall Sensor SD Card module Motor driver module L298,93 Audio Player Gas/Smoke Sensor Batteries GPS module Finger print Sensor Keypad RF Transceivers SIM module Laser Neopixel Please Contact me before placing your Order

🎯 With 8+ years of experience in developing IoT and embedded systems using ESP32, ESP8266, Raspberry Pi (2/3/4/5/Pico/Pico W), Arduino, STM32, etc. | HTTP, MQTT, CoAP | AWS IoT Core, Thingsboard, Node-Red, Home Assistant, Tasmota, Blynk, etc., along with custom dashboard integration with firmware. Python, uPython, C/C++, & javascript, I help clients build smart, connected, and scalable solutions. Project and Product development tailored to their real-world needs. 🚀 Bringing Smart Ideas to Life – Reliable, Scalable, and Cost-Effective IoT Solutions Are you seeking a skilled engineer to bring your IoT idea to life as a functional, connected product? I’m a results-driven IoT & Embedded Systems Engineer with a strong foundation in microcontroller & micro-processor programming, Bearmetal driver development, sensor integration, wireless communication, and cloud connectivity. I specialize in building high-performance IoT systems with smooth communication protocols and long-term reliability. ✅ What I Can Do For You: 🔌 Custom IoT/ Firmware development using Arduino, ESP32, Raspberry Pi, and STM32 🛠️ Custom Product Development: I have the whole solution from scratch to product deployment. 📡 Wireless protocols: MQTT, HTTP/HTTPS, WebSocket, BLE, Esp-Now, LoRa, Zigbee, etc. ⚙️ Device protocols: UART, SPI, I2C, I2S, Modbus, CANbus, Baremetal driver development, etc. 🌐 Dashboard Integration: ThingsBoard, Blynk, Firebase, Node-RED, Home Assistant, Tasmota, ESP Rainmaker, etc. 🔧 Embedded Sensor/Actuator interfacing for automation & control 🔁 OTA firmware updates, watchdog timers, and power-saving modes 🧰 Troubleshooting, optimization, and clean modular/OOP-based C/C++, Python firmware. 🛠️ Tools, Technologies & Expertise 📟 Microcontrollers & Boards ESP32, ESP8266 (NodeMCU, WROOM, WROVER) Arduino (Nano, Uno, Mega, Pro Mini, MKR1000) Raspberry Pi (2, 3, 4, 5, Pico, Pico W, Compute Modules) STM32 (Bluepill, STM32F103, STM32CubeMX/HAL) BeagleBone Black, Orange Pi, Banana Pi ATmega328P, ATTiny85, NRF52, RP2040, CH32V, PIC 💻 Programming Languages C, C++, Embedded C (bare-metal, HAL/LL) MicroPython, Python (asyncio, machine) JavaScript (Node.js for IoT, WebSocket) Shell scripting (Bash) for Linux automation JSON, YAML, INI (config formats for IoT) 📡 Communication Protocols # MQTT (public & secured brokers) # HTTP, HTTPS, WebSocket, CoAP # ESP-NOW, BLE, LoRa (RA-02, RYLR), Zigbee (CC2530, ZBBridge) # GSM/GPRS, SIM800L, NB-IoT (BG95, SIM7020), Wi-Fi # RS-232, RS-485, CANbus, Modbus RTU/TCP 🔌 Device/Peripheral Protocols # UART, SPI, I2C, I2S, OneWire, PWM, ADC, DAC # SD Card (FATFS), EEPROM/Flash handling # GPIO interrupt handling, timer/counter config # Bare-metal driver development and peripheral abstraction 🧰 Development Tools & IDEs # Arduino IDE, PlatformIO, STM32CubeIDE, ESP-IDF, VS Code, Thonny, Geany, etc. # Linux (Ubuntu/Raspberry Pi OS/Debian) CLI Tools # Git, GitHub/GitLab, Version Control for Embedded # Serial Monitors (PuTTY, TeraTerm, minicom), Logic Analyzers (Sigrok) ☁️ Cloud Platforms & Integrations # AWS IoT Core (MQTT, Shadow, Rules Engine) # ThingsBoard (CE/PE), Blynk (legacy and new), Firebase Realtime/Firestore # Node-RED (on-prem or cloud), Home Assistant (ESPHome, MQTT) # Tasmota customization (Rules, MQTT, Templates) # ESP RainMaker, Google Firebase, Azure IoT Hub 📊 Dashboards & Custom UIs # Web dashboards with HTML/CSS/JS # REST API consumption and creation. # Local dashboards using Node-RED, Grafana, InfluxDB, etc. 🔐 Security & Optimization #TLS/SSL for MQTT & HTTP # Data encryption (AES, base64, JWTs) # Memory and power optimization for low-power devices (deep sleep, watchdogs) # Fail-safe firmware design with bootloader, rollback 📦 Product Development & Hardware Integration # PCB interfacing and prototyping (breadboard to custom PCB) # Sensor calibration (temperature, humidity, motion, distance, gas, etc.) # Relay, triac, motor, servo, LED matrix, and display (OLED, LCD I2C, TFT) # Custom device firmware from scratch to OTA-ready product 🌟 Why Choose Me: 🧠 Expertise You Can Trust – Solid engineering principles and deep technical know-how 📈 Results-Driven Development – Focused on delivering working, scalable solutions ⏱️ Timely Delivery – Respect for your deadlines and project milestones 📣 Clear & Professional Communication – Regular updates, detailed reports, and zero guesswork 🔁 Post-Delivery Support – Guidance, maintenance, and iteration support available 💯 Client Satisfaction is My Top Priority 💼 Availability: 📅 Available for full-time, part-time, and long-term projects 🌍 Comfortable with clients worldwide and flexible with time zones 🤝 Long-term support, NDA-friendly, and confidential work welcomed 🚀 Let’s build something smart together – Message me today! SHAMIM HASAN Embedded Software Engineer

Greetings! I'm Don Collins, an Electronics Engineer with a broad range of expertise, including low-level technologies, transmission protocols, IoT development, and familiarity with various System-on-Chip (SoC) platforms. If you require assistance with projects involving different SoCs, you've come to the right place. I have hands-on experience working with a variety of SoCs, enabling me to tailor solutions to your specific requirements. Some of the SoCs I am familiar with include: - ARM Cortex Chips: I possess knowledge and expertise in programming ARM Cortex-based microcontrollers and processors. Whether you're working with Cortex-M0, Cortex-M3, Cortex-M4, or other variants, I can help you leverage the full potential of these powerful chips. - 8-bit PIC chips: With experience in programming 8-bit PIC microcontrollers, I can assist you in developing efficient and optimized solutions using the powerful and versatile PIC architecture. I am well-versed in utilizing tools like mikroC to program these chips. - Nordic NRF chips: Nordic Semiconductor's NRF series offers a range of versatile and feature-rich SoCs. I have familiarity with programming NRF chips, enabling seamless integration of these chips into your projects, whether it's for wireless communication, IoT applications, or other functionalities. - ESP32s and ESP8266: These popular SoCs from Espressif Systems are widely used for IoT applications and Wi-Fi-enabled devices. I am proficient in programming both ESP32 and ESP8266 chips, allowing me to create robust and reliable solutions for your IoT projects. My familiarity with these SoCs extends beyond basic programming. I understand their capabilities, hardware integration nuances, and how to optimize their performance for your specific requirements. I am passionate about delivering high-quality results and staying up-to-date with the latest advancements in technology. With my knowledge of SoCs, low-level programming, transmission protocols, and IoT development, I am well-equipped to tackle your most challenging projects. If you're seeking an experienced professional who can leverage the capabilities of various SoCs to bring your ideas to life, look no further. Let's collaborate and create innovative solutions using the power of these advanced chips. Feel free to reach out, and together we can achieve remarkable outcomes.

PCB Designer and Embedded Hardware Engineer specializing in ESP32, STM32, and IoT product development. I design manufacturable PCBs using Altium, KiCad, and EasyEDA with full JLCPCB production support. I help clients turn circuit ideas into reliable, production ready hardware including schematic design, PCB layout, prototyping, and debugging. What I do • PCB design for ESP32, STM32, Arduino based systems • Schematic design and multilayer PCB layout in Altium and KiCad • IoT hardware design with sensors, power management, and connectivity • Firmware support for STM32 and ESP32 (Arduino framework, HAL basics) • Design for manufacturing and JLCPCB ready Gerbers • Hardware debugging and prototype improvement Tools I use Altium Designer, KiCad, EasyEDA, Fusion 360, SolidWorks, AutoCAD Why clients hire me I focus on practical engineering, not just design files. I ensure your PCB works in real hardware, is easy to manufacture, and is optimized for cost and reliability. If you are building an IoT product, embedded system, or custom PCB, I can help you go from concept to working prototype efficiently.

Are you tired of writing code for your project! I am a professional programmer. I am writing codes for both Arduino and Raspberry pi. I am Microsoft Certified Python Programmer. I'll help you in making your project. Also if you are new in the world of Electronics I'll help you in making your 1st project.

I am mechatronics engineer from Việt Nam with 7+ years of experience in designing PCBs. I am familiar with various CAD tools including tools preferred by Manufacturers. I am interested in doing this project with you. I have experience with Circuit Board designing and modification jobs. Handling circuits and PCB is my daily job. I would like to talk about this project in details please message in the inbox to discuss more. Expertise in: 1. KiCAD (main), Cr5000, EasyEDA, EAGLE, Altium, and other CAD tools. 2. PCB layout designing. 3. Design 3D model: Freecad, solidworks, CAD ... 4. Embedded device programming: Arduino, Avr, Esp8266, Esp32, Stm8,raspberry ... 5. Circuit Designing from Scratch. 6. Multilayer,Highspeed PCB design. 7. Python,labview software design

I'm a mechatronics engineering and have a good experience in electronics and other micro controllers like Arduino, ESP32 coding and schematics/layouts of circuitry as well. I have over 4+ years of experience with Arduino, ESP32, STM32 and raspberry pi its coding and other schematics etc. I'm looking forward to polish my skills to other greater extend and will help you with any Arduino based projects, recently I've done many projects on an event Airtech and I'll help you with the best possible solutions to your problems, or I can just do all the hardwork of your Arduino and ESP32 project for you. I've worked on various Tech events organized from my university, worked as an assistance on big projects.As I'm new to this platform, I will assure you that I will satisfy you with every little detail and develop a cooperative environment between the seller and the buyer. There are other sellers who can do the work for you but I hope that you will give me an opportunity to give you the best result and assistance to your project with full devotion and determination. If you decide to work with me I will provide you with circuit designing, simulation, analyzing and implementing circuits using proteus, EasyEDA or TinkerCad. Also if you want the PCB layout i can do PCB boards using EasyEDA PRO or Fritzing and also can work on the the PCB board to Print out the design of PCB Layout for your PCB board. It is useful for you to check and simulate circuit on software before implementing it on hardware. Please send me a specified description of the circuit that you need and i can design, and analyzing of the circuit. I'll provide -Circuit Diagram -Code file -Complete Documentation of the Project -Software simulation Your projects will be done on the given time.

I'm an independent freelancer and a results-focused Chartered IT Professional (UK) with over 20 years of experience in technical projects, including Industrial and Home Automation Systems, Embedded Systems, product prototyping, and firmware development. My expertise includes: ✅ Development and prototyping with Raspberry Pi, Banana Pi, and NanoPi NEO2 ✅ Microcontroller programming using ESP32/ESP8266, STM32, Arduino, and integration with BLE/Bluetooth, WiFi, Ethernet, Zigbee, GSM/GPS/GPRS, and Z-Wave ✅ Working with various LCDs & sensors, interfacing through I2C/I2S/SPI, RS232/485, Modbus, LoRa, NFC/RFID ✅ Designing HMI systems and building custom IoT SCADA solutions using Node-RED or bespoke platforms ✅ Advanced motor and servo control systems ✅ Mobile app development tailored for IoT and hardware integration ✅ Object detection and training using YOLOv8 and Python ✅ VIOP solution and configuration (VICIdial) Technologies; ✅ Python ✅ C ✅ C++ ✅ MySQL ✅ PHP ✅ Flutter ✅ VOIP (VICIdial) ✅ Node-RED ✅ MQTT 100% Satisfaction Guarantee: If you're not completely satisfied with my service, I offer a full money-back guarantee. It's a pleasure to have you visit my profile.

I help startups, businesses, and innovators build IoT and embedded systems using Raspberry Pi, ESP32, and custom electronics. With 10+ years of engineering experience, I turn ideas into reliable prototypes and production-ready solutions from hardware and firmware development to automation and deployment. My expertise includes: ✓ Raspberry Pi Development ✓ ESP32 Firmware & IoT Solutions ✓ PCB Design & Prototyping ✓ Sensor Integration & Automation ✓ Embedded Linux & Remote Systems ✓ Industrial Monitoring & Control What I Can Do for You: 🔹 Embedded & IoT Development Design and develop smart connected devices, automation systems, and embedded solutions using Raspberry Pi, ESP32, Arduino, and industry-standard communication protocols. Examples: • IoT monitoring and control systems • Remote device management • Sensor-based embedded products • Edge computing applications 🔹 PCB Design & Hardware Development Create complete hardware solutions including schematic design, PCB layout, component selection, and manufacturing-ready files. Deliverables: • Schematics • PCB Layout • Gerber Files • BOM Preparation • Prototype Support 🔹 Automation & Control Systems Develop reliable automation solutions with sensor integration, machine control, data acquisition, and industrial communication. Examples: • Process automation • Industrial monitoring systems • PLC and controller integration 🔹 Electrical & Embedded Engineering Support product development through circuit design, embedded integration, troubleshooting, and technical documentation. Why Clients Work With Me: ✔ Strong engineering and problem-solving approach ✔ Clear communication and transparent updates ✔ Reliable and scalable solutions ✔ Focus on quality and long-term maintainability ✔ End-to-end support from concept to deployment Whether you're building an IoT product, developing a custom embedded system, creating a new PCB, or automating an existing process I’m here to help turn your concept into a working solution. Let’s discuss your project and build something great.

One stop solution for Electronic Product Development. Component selection, Circuit Design, Schematic design, PCB layout, PCB Assembling, Prototyping, Firmware development, Testing, Cloud Integration, Mobile Application Development. Expertise in IoT product development and Firmware update Over The Air (OTA). Languages: C, C/C++, Python, HTML, Javascript Arduino Raspberry Pi ESP32, ESP8266 (ESP-NOW, ESP-MESH, ESP-MATTER, ESP-IDF, ESP-ADF) NRF51822, NRF52840 IOT Gateways ROS Remote Monitoring & Controlling WiFi, BLE, Ethernet, GSM/GPRS, 2G, LTE, LORA, LORAWAN, NB-IOT, DLMS, Profibus, IEC-104 HMI Display GUI Development Nextion, DWIN Displays Home Assistant, ESP-HOME UART, SPI, I2C, ADC, DAC, RS-232, RS-485 Micro SD, Thermal Printer, Motors, Relays, Valves MODBUS RTU & TCP/IP CANBUS Schematic and PCB Layout Design ARM Cortex M3-M4 STM32F1, STM32F4, TM4C123G(TIVA C) ATmega 8-16-32-128-256 Renesas RL78 Series MCUs PlatformIO, CubeMX, Keil, Arduino, CCS, Atmel Studio, CS+ Altium, Eagle CAD, KiCAD, EasyEDA