Hire the Best Arduino Experts in Karachi, PK

⚙️ I turn silicon and specs into smart, stable, and scalable embedded solutions. I engineered a 30% improvement in firmware responsiveness across connected devices, helped reduce development time by 25% for a FreeRTOS based ESP32 product line, and built modular driver architectures that made it easier for hardware teams to scale from prototype to production, all while keeping performance rock-solid in the field. As an Embedded Firmware Developer & Embedded Systems Specialist with 7+ years of experience, I design and build fast, reliable, and maintainable embedded software and microcontroller firmware for IoT and industrial products using ESP32 / STM32 / nRF52, FreeRTOS, ESP-IDF, and ARM Cortex-M architectures. 💼 What I Offer: 🔹Production-grade microcontroller firmware using C/C++ for MCUs and SoCs (ESP32, STM32F4, nRF52, ATSAM4, etc.) 🔹FreeRTOS / ESP-IDF-based systems, leveraging multi-threaded architectures for improved efficiency 🔹Advanced sensor & peripheral drivers, integrated into complex hardware ecosystems 🔹Communication stacks built on SPI, I2C, UART, BLE, MQTT, CAN, USB, Ethernet 🔹Smart devices & cloud-connected IoT products using the Espressif ESP-IDF framework 🔹Industrial automation firmware and embedded Linux/AOSP customizations (Yocto, HALs, board bring-up) 🔹Thorough documentation & end-to-end support for internal and external stakeholders 🛠️ What I’ve Been Delivering When most teams reach out to me, they already have hardware in hand, what they don’t have is firmware they can trust in the field. So I come in, analyze what’s running, and turn “demo” firmware into production ready systems. That means: ✔ Optimizing edge-device firmware so it stays stable, responsive, and power-efficient ✔ Customizing AOSP / Embedded Linux platforms for real-world products (HMI panels, smart displays) ✔ Writing and integrating drivers for complex sensors and peripherals ✔ Handling board bring-up, BSP development, bootloaders, and kernel-level debugging ✔ Providing long-term maintenance to keep real-time systems healthy in industrial, consumer, and automotive environments My role is simple: make sure your embedded product behaves perfectly not just on your bench, but in your customer’s hands. 💻Embedded Systems Expertise Languages: C, C++, Python (tooling & scripting) MCUs & SoCs: ESP32, STM32 (F0/F4), nRF52, ATSAM4, ARM Cortex-M OS & Frameworks: FreeRTOS, ESP-IDF, Zephyr, Yocto, Buildroot Connectivity & Protocols: SPI, I2C, UART, CAN, BLE, MQTT, Ethernet, USB Tools: GCC, OpenOCD, JTAG/SWD, Logic Analyzers, Git, Jira If you’re building something that doesn’t fit the usual embedded mold, I’d be glad to hear about it. Some of my best work has come from partnering with teams tackling problems that require a custom-crafted solution. Let’s connect and take your project to the success it deserves.

🔷 Experienced Product Design Engineer with a demonstrated history of developing fully realized products for IOT, Embedded Hardware and Software. 🔷 Helped launch Pakistan's first IOT based smart water purifier. 🔷 Skilled in developing Data Science/Analytics solutions (especially Remote Data Capture, data cleaning, statistical analysis and decision making ) 🔷 Experienced in developing autonomous robotics systems including UGVs and UAVs 🔷 Strong professional research background in computer science and engineering spanning different disciplines from custom hardware, firmware, and software development. ✅ Technical Expertise ✓ Microcontrollers: 🔶 ATMEGA, STM32, ESP32, Nordic Semiconductor (nRF series), PIC, and ARM Cortex-based systems ✓ Programming Languages: 🔶 C, C++, Python, Embedded C, and Assembly ✓ Embedded Systems Concepts: 🔶 Real-Time Operating Systems (RTOS) 🔶 Sensor fusion algorithms (IMU/GPS integration, accelerometer, gyroscope calibration) 🔶 Custom PCB design and firmware development 🔶 Signal processing and control algorithms ✓ IoT Development: 🔶 Extensive experience with MQTT, HTTP protocols 🔶 AWS IoT and custom cloud-based backends 🔶 Low-power wireless communication (Bluetooth, Zigbee, LoRa) 🔶 Edge computing and remote monitoring solutions ✓ Software Development: 🔶 Embedded firmware for custom devices 🔶 Integration of hardware with cloud services 🔶 Development of control systems and automation processes ✓ Mechanical Design 🔶 Custom casings and enclosure design and development ✓ Development Tools: 🔶 Atmel Studio, MPLAB X, and PlatformIO 🔶 Arduino IDE, STM32CubeMX, and Nordic nRF Connect SDK 🔶 VS Code, Eclipse, and Visual Studio ✓ PCB Design: 🔶 Altium Designer, KiCad, and Eagle CAD 🔶 EasyEDA and Proteus ✓ Simulation and Analysis: 🔶 MATLAB/Simulink for control system modeling and signal processing 🔶 LTspice for circuit simulation ✓ Version Control & Collaboration: 🔶 Git, GitHub, GitLab, and Bitbucket 🔶 Jira, Trello for project management

I build production-ready IoT systems using ESP32, STM32, PCB Design, Modbus RTU/TCP, MQTT, and FreeRTOS—covering everything from bare-metal firmware to cloud integration with AWS IoT Core and Azure IoT Hub, plus Flutter mobile apps and real-time dashboards when needed. My solutions are built for real-world industrial and commercial deployments, not just prototypes or breadboards. If you need embedded firmware that is stable, connected, scalable, and maintainable—let’s talk. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ WHAT I BUILD FOR CLIENTS ✅ IoT Firmware Development End-to-end IoT firmware on ESP32, STM32, and ATSAM microcontrollers. MQTT over TLS, secure boot, OTA firmware updates, and low-power wireless design for battery-operated devices. I write firmware that runs in production — not just demos. ✅ Industrial Automation & Modbus Integration Modbus RTU and Modbus TCP firmware for industrial sensors, VFDs, PLCs, and energy meters over RS-485. FreeRTOS multitasking with concurrent Modbus polling, PID control loops, and cloud data publishing. Built for 24/7 uptime. ✅ Cloud-Connected Embedded Systems Full IoT pipeline: device firmware → MQTT broker → AWS IoT Core / Azure IoT Hub → time-series database → Grafana or custom dashboard. Experience with EMQX, Mosquitto, Firebase, and Docker-based deployments on Raspberry Pi. ✅ BLE & Wi-Fi Device Development Bluetooth Low Energy (BLE) firmware for sensor devices, wearables, and gateways. BLE GATT profiles, custom services, DFU (Device Firmware Update) over BLE. Wi-Fi provisioning, WPA2 enterprise, and mesh networking on ESP32. ✅ Flutter Mobile Apps for IoT Cross-platform iOS and Android apps that connect to your hardware via BLE, MQTT, or REST API. Real-time sensor dashboards, device configuration screens, push alerts, and OTA trigger from mobile. Flutter + Firebase or Flutter + custom backend. ✅ PCB Design for Embedded Systems Schematic capture and PCB layout in KiCad, EasyEDA, and Altium Designer. ESP32 and STM32 custom boards, power supply design, EMC considerations, and Gerber files ready for manufacture. DFM-reviewed layouts for production. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ TECHNICAL STACK Microcontrollers: ESP32, ESP32-S3, STM32F1/F4, ATSAM, Arduino RTOS: FreeRTOS (tasks, queues, semaphores, timers, interrupts) Protocols: MQTT, Modbus RTU/TCP, BLE GATT, I2C, SPI, UART, RS-485, CAN, HTTP/HTTPS Cloud: AWS IoT Core, Azure IoT Hub, Firebase, Google Cloud IoT, EMQX Languages: C, C++, Python, Dart (Flutter) PCB: KiCad, EasyEDA, Altium Designer, Proteus, EasyPCB Tools: Docker, Git, VS Code + PlatformIO, STM32CubeIDE, ESP-IDF, FreeRTOS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ INDUSTRY EXPERIENCE HVAC Control Systems Multi-zone HVAC automation with STM32, Modbus RTU sensors, FreeRTOS PID control, and remote monitoring via Azure IoT Hub. Designed for commercial buildings with 24/7 reliability requirements. Energy Monitoring Three-phase energy monitoring sensors, ESP32 firmware, MQTT data pipeline, and real-time dashboards showing voltage, current, power factor, and kWh consumption per circuit. Industrial IoT Modbus-based data acquisition from industrial sensors and meters. RS-485 networks with multiple slave devices, data aggregation, cloud upload, and alarm management. Multi-Sensor Integration Environmental monitoring systems combining temperature, humidity, pressure, CO2, and motion sensors. Wireless sensor nodes with BLE or Wi-Fi, gateway aggregation, and cloud storage. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ HOW TO GET STARTED Message me with a brief description of your project. I respond within hours and can usually schedule a discovery call within 24 hours. For fixed-price projects, I provide a detailed scope document before any work begins — no surprises. Shakaib Naqvi IoT Firmware Engineer · ESP32 · STM32 · FreeRTOS · AWS IoT · Azure IoT · Flutter · Modbus · PCB Design

💡 Embedded Systems | SCADA | PLC/HMI Expert | IoT Solutions | ESP32 | Rasberry Pi | 13+ Years Experience I’m Husban Anjum, a results-driven and solution-oriented Industrial Automation Engineer with over 13 years of hands-on experience in PLC programming, SCADA/HMI systems, process control, and instrumentation. I specialize in designing and implementing automation solutions for large-scale manufacturing plants and utilities—delivering efficiency, precision, and reliability. 🔧 What I Offer: -SCADA/HMI development (TIA Portal, WinCC, WebUX, KepServerEX) -PLC programming (Siemens S7-300/1200/1500, Delta SE/DVP, Mitsubishi, Fatek) -Energy and Utility Monitoring Systems, including custom dashboards, logging, trends, alarms, and reports -ETP/Wastewater Automation, Chemical Dispensing, Boiler Controls, BMS, RFID -Industrial IoT solutions with real-time data acquisition (MQTT, Modbus, RS485, OPC) -Custom reports, dashboards & alerts using VBScript and SQL integration -Expertise in instrument calibration, VFDs, sensors, and field instrumentation -Consultation and support for Industrial Automation systems, Instrumentation 🏆 Highlighted Projects: -RFID-based Production Tracking System (IoT + Micropython + M5 Stack) -PLC-based Automatic Chemical Dispensing System -SCADA systems managing 200+ parameters and sending automated reports -Loom Data System for 400 machines with web monitoring and email summaries -Custom-built Building Management Systems for automated lighting/fan controls 🎓 Education: -Master’s in Industrial Control & Automation -Bachelor's in Electronics Engineering 🌟 Why Work With Me? I bring more than just technical skills—I bring a proactive mindset, strong communication, and a deep understanding of industrial environments. Whether you're automating a single machine or scaling across an entire plant, I provide efficient, scalable, and maintainable solutions tailored to your needs. 📍Based in Karachi, Pakistan | Available for global clients 📧 Let’s connect and discuss how I can bring value to your automation projects!

Top Rated Plus Embedded Hardware & Firmware Engineer with 15+ years of experience building reliable embedded products, IoT systems, and production-ready electronics. I help startups, product teams, and manufacturers take an idea, prototype, or broken design and turn it into a working embedded product that can be tested, manufactured, and scaled. My work connects hardware, firmware, and real-world product execution. Instead of treating the circuit, code, sensors, connectivity, power system, enclosure, and manufacturing process as separate pieces, I help bring them together into one reliable product. WHAT I BUILD • Custom schematic and PCB design for reliable embedded hardware • Embedded firmware development in C/C++ for real-world products • ESP32, STM32, Nordic, Arduino, Raspberry Pi, and Embedded Linux platforms • BLE, Wi-Fi, LTE, Cat-M1, NB-IoT, LoRa, NFC, GPS/GNSS, and sensor integration • Low-power electronics, battery-powered devices, BMS, and power management • Industrial interfaces including UART, SPI, I2C, RS-485, CAN, Modbus, ADC/DAC, and GPIO • Board bring-up, debugging, firmware validation, and hardware troubleshooting • BOM preparation, Gerber files, assembly files, DFM review, and manufacturing support I have worked across wireless IoT devices, wearable and medical electronics, industrial monitoring systems, automation hardware, smart sensors, connected consumer products, and custom embedded controllers. WHY ONE TECHNICAL OWNER Clients usually come to me when they need more than a schematic or a firmware file. They need someone who can understand the complete system, identify risks early, solve hardware and firmware integration issues, and move the product closer to production. I also lead a full-service engineering team when projects require additional support across mechanical enclosure design, cloud integration, mobile app development, product design, or manufacturing coordination. This gives clients one technical owner while keeping the embedded hardware and firmware work technically grounded. READY TO BUILD? Send me your requirements, target platform, connectivity needs, power constraints, current design files, and production volume. I’ll respond with a clear technical scope within 24 hours. Warm Regards, Huzaifa Ali

From prototype to production I build complete IoT and embedded systems that work in the real world, not just on a breadboard. With 5+ years of experience and 150+ projects delivered across aviation, agricultural, automotive, industrial and smart home applications, I handle the full stack: firmware, PCB design, cloud integration, and deployment. You get one engineer who owns the whole product not "three freelancers patching each other's work." What I build: Embedded firmware for ESP32, STM32, Raspberry Pi, Arduino, ATmega, and NRF52 including OTA updates, low-power optimization, watchdogs, and protocol stacks (UART, SPI, I2C, CANbus, RS485, Modbus). End-to-end IoT systems with Wi-Fi, BLE, LoRa, Zigbee, GSM, and NB-IoT connectivity, integrated with AWS IoT Core, Firebase, ThingsBoard, Node-RED, MQTT, and REST APIs. PCB design up to 3 layers using Altium, KiCad, and EasyEDA covering power supply, sensor interfacing, EMI/ESD protection, prototyping, and validation. Custom cloud dashboards and platform integrations: Grafana, Blynk, Home Assistant, ESP Rainmaker, and custom HTML/API solutions. Industries I've worked in: - Aviation (Solar powerd Aviation lights control) - Industrial IoT - Agriculture and Hydrophonics - Smart building automation - Automotive How I work: I communicate at every milestone, write clean modular code built for production (not just demos), and deliver on time. I'm open to NDA for any project requiring confidentiality. If you're building a smart device, an industrial automation system, or a connected hardware product, message me with your idea and we can scope it out in a quick call.