Hire the Best Circuit Designers in Sahiwal, PK

I am a professional PCB Design Engineer with 6+ years of experience delivering production-ready hardware designs for commercial and industrial applications. I work on a wide range of PCB projects — from simple boards to complex multi-layer systems — with a strong focus on reliability, manufacturability, and performance. In addition to general PCB design, I have solid experience in Industrial IoT systems, including LTE/NB-IoT devices, RS485/CAN Bus communication, Battery Management Systems, RF Designs and low-power sensor nodes. 🔧 What I Can Help You With: Schematic & PCB design (2-layer to multi-layer) HDI Design as per Design Complexity and space contraints Hardware development from concept to production BOM creation & cost optimization (JLCPCB/LCSC ready) PCB redesign, debugging & performance improvement Prototyping & manufacturing support ⚡ Advanced Experience In: ESP32, STM32, Nordic (nRF52 series) LTE / NB-IoT (Quectel, Sequans, Ubox) RS485 / Modbus, CAN Bus communication Low-power design (battery & solar-based systems) Power supply design (buck/boost, LDOs) RF-aware layout & antenna considerations Track Record: Top Rated Plus Freelancer (Top 3% on Upwork) 100% Job Success Score 120+ completed projects 98% 5-star reviews $100K+ total earnings Tools I Use: Altium Designer EasyEDA (Standard & Pro) KiCad What You Can Expect: Clean, well-documented schematics Industry-standard PCB layout practices Design aligned with manufacturing requirements Clear communication and reliable delivery If you have an idea, existing design, or need improvements in your hardware, feel free to reach out I’ll be happy to discuss your project.

I design and deliver production-ready embedded hardware—not just schematics and code, but solutions that are tested, optimized, and built to scale. With 7+ years of hands-on experience, I work at the intersection of hardware, firmware, and manufacturing, helping startups and product teams move from concept to stable, field-ready electronics. My work spans ESP32 (S2 / S3 / C3), nRF52, STM32, and Raspberry Pi–based systems, including custom carrier boards and IoT products designed for real-world deployment. My strength lies in engineering judgment—choosing the right architecture, components, and firmware approach to ensure reliability, cost efficiency, and long-term support. 🔧 PCB & Hardware Engineering 1-Production-grade schematic and multi-layer PCB design (2–6 layers) 2-Specialy BGA (footprint ICs), RF, and high-speed routing best practices 3-Power & Analog: DC-DC (Flyback, Boost, Buck, LDOs), battery-powered systems 3-Digital Circuit Design 4-Interface Buses (SPI, I2C, RS-232, RS-485, ...) 5-High Speed I/O Interfaces (USB, Ethernet, PCI Express, LVDS, ...) 6-BOM creation and cost optimization 7-PCBway,JLCPCB-ready BOM & PCBA support 8-Prototype bring-up, validation & debugging 9-DFM / DFA focused layouts for smooth manufacturing 10-Small-batch to volume production support 💻 Embedded Firmware Development (Senior Level) 1-Embedded C / C++ for real-time, low-power, and performance-critical systems 2-Python for automation, testing, tooling, and higher-level system control 3-Bare-metal and RTOS-based firmware architecture 4-Custom driver development and hardware abstraction layers 5-Communication protocols: SPI, I2C, UART, RS232, RS485, CAN, Modbus 6-Wireless & IoT systems: Wi-Fi, BLE, MQTT, cloud integration 7-Firmware debugging, optimization, and long-term maintainability 🧠 Platforms & Technologies 1-ESP32 family (S2 / S3 / C3), ESP8266 2-Nordic nRF52 series (BLE, low-power designs) 3-STM32 (Nucleo & custom boards) 4-RP2040 / Raspberry Pi Pico 5-Raspberry Pi & custom carrier boards 6-Arduino ecosystem (when rapid development is required) 🛠 Tools & Design Environment Altium Designer KiCad EasyEDA Eagle CAD + Fusion 360 🚀 Why Clients Work With Me ✔ Strong product-level thinking, not just task execution ✔ Designs focused on reliability, cost, and scalability ✔ Clear communication and structured development process ✔ Support beyond delivery, including production guidance If you need an engineer who can own both hardware and firmware, solve complex problems, and prepare your product for manufacturing, I’d be happy to discuss your project.

Hi there! With the provision of priority services to customers and being certified Industrial Designer and hands-on Industrial experience in modeling and 3D printing the different characters & prototypes of machinery and equipment and the proud owner of ZCCG-Tech Solution Hub, specializing in CAD/CAM/CAE and graphic design services, I excel in transforming ideas into reality through 3D & 2D models for a wide range of products—from simple parts to complex assemblies. Whether you need CAD files for manufacturing, 3D printing, technical drawings, or renderings, I deliver high-quality results every time. My agency also provides advanced CFD analysis, Fluent simulations, and product development to optimize your design for real-world performance. Services I Provide: 3D Design & CAD/CAM: Complete designs from concept to production. Sheet Metal Product Design: Functional and detailed sheet metal solutions. Product Design: Expertise in designing various products, including electronics and consumer goods. Floor Plan Design: Professional and clear layouts. Electric Circuit Design: Accurate and well-structured designs. Analysis & Simulations: Fluent, CFD, and structural analysis for product optimization. 2D Technical Drawings: Detailed and precise production-ready drawings. Photo-Realistic Rendering: High-quality rendered images from 3D models. Graphic Design: Logos, banners, business cards, brochures, flyers, and more. Infographic Design: Visually appealing, informative infographics. Tools I Use: SolidWorks AutoCAD ANSYS Fusion 360 Blender Illustrator Photoshop CorelDRAW At ZCCG-Tech Solution Hub, we are committed to providing top-notch design and product development services. Let’s collaborate to bring your vision to life—reach out anytime! Looking forward to working with you!

Hi, I am an Electronics and Control Systems Engineer with expertise in product development, PCB design, firmware, and circuit simulation. I am also skilled in EV motor control, powertrain simulation, optimal control, and advanced driving assistance systems (ADAS), including advanced control strategies like MTPA and adaptive cruise control. I offer complete end-to-end product development services including schematic design, PCB layout, firmware programming, hardware testing, and troubleshooting. Other than this I have also been doing Electronics Circuits Designing & Simulations using MATLAB/Simulink, LabVIEW, Proteus, and Multisim for my clients at different freelancing platforms since 2015. Furthermore, I am also specialized in simulating powertrain architectures for both light and heavy-duty vehicles, enabling advanced control development in a virtual environment. My expertise includes designing electric vehicle motor control systems with features like online parameter estimation, torque observers, maximum torque per ampere (MTPA) control, and sliding mode control. Additionally, I have extensive experience in developing optimal control strategies and advanced driving assistance systems (ADAS), including cruise control, adaptive cruise control, and predictive cruise control. ---------------- PCB DESIGNING: Some of my PCB Designs for my clients are: 1). 1KW and 3KW BLDC Motor Drive 2). Power Supplies (5VDC, 3A) 12VDC, 3A) (24VDC, 15A) (120VDC, 7A) (120VDC, 15A) 3). 56V, 56A Rectifier 4). Smart Sprayer gun 5). Power Bank 6). Frequency Generator 7). LED Dimmer 8). RGB LEDs Flasher 9). Car Dashboard Camera, USB Webcam, Object Tracking Camera design ---------------- CIRCUITS SCHEMATICS AND SIMULATIONS: Some of my Proteus, Multisim and LabVIEW projects for my clients are: 1). Analog Multimeter 2). Digital Thermometer 3). PIC Buck-Boost Converter 4). Temperature Control System 5). Couple Tank Control System 6). Elevator Simulation in Proteus 7). Design and implementation of the classical controller (PID and LQR) in LabVIEW and tested on QNET rotary inverted pendulum 8). Design a dynamic filter to avoid the jitters in the accelerometer and gyroscope in LabVIEW 9). Developed a controller for induction machine on My Rio using space vector PWM technique in LabVIEW ---------------- MATLAB/SIMULINK PROJECTS: 1). SCARA Robot modeling 2). Speed and Current Controller of Induction Motor 3). BLDC Motor Modeling, Control Logic and Simulation 4). Power Supply Modeling and Simulation 5). Buck Converter Modeling and Simulation 6). Animation of 2-dimensional obstacle avoidance system for an autonomous car 7). Utilization of Cognitive Network using different fading Channels 8). Chemical Injection and Steam generation Modeling, Control Logic and Simulation ---------------- MICROCONTROLLERS FIRMWARE PROGRAMMING: I am specialized in the Arduino, PIC, ESP microcontrollers: - Arduino Uno, Nano, Mega, Lily - ESP32, ESP8266 - PIC 16F, 18F, 24F Client satisfaction has always been my first priority, as I believe a satisfied client comes back for another work. Looking forward to work with you. Thank you