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I’m proficient in the following: • Design, development, deployment and maintenance of medium to large scale IoT and Cloud solutions • Developing reliable software with standard software development models and practices such as coding to standard, requirement elicitation, waterfall, agile, UML and testing *** SKILLS *** My engineering skills include the following: 1. FIRMWARE DESIGN • Programming: C/C++, python, java • Hardware description language: VHDL, Verilog • Embedded Linux, OS and kernel programming: RTOS design and implementation • Multi-platform software design: ARM, AVR, Artix-7 FPGA family, Zynq 7000 FPGA boards. • M2M Protocol design and implementation: Lonworks, Ifsf, NDEF (rfid/nfc) • Communication interfaces: RS232, RS485, RS422, SPI, I2C, CAN, JTAG, UART, Current loop, Classic Bluetooth, BLE, Wi-Fi, NFC, RFID • Tools: eclipse, visual studio, matlab, labview, QT for C++ and python, Xilinx vivado and vitis, Modelsim • Legacy code and extensive low level programming experience: neuron c, kick c 2. HARDWARE DESIGN • Tools: Eagle CAD, Proteus • Digital and Analogue circuit design • PCB fabrication • Testing and troubleshooting: logic analyzer, oscilloscope 3. SOFTWARE ENGINEERING • Software development framework/methodology: Waterfall and Agile • UML: papyrus (eclipse), draw.io (diagrams.net), Yakindu state chart tool • Version control tool: GIT • Advance Data structure, algorithms, Design pattern and state machines • Blockchain and cryptography • Web and Mobile app development: html, CSS, JavaScript, Java, C#, Android studio • Project and task management tool: Trello *** EDUCATION *** PROFESSIONAL COURSES AND SPECIALIZATIONS, COURSERA • Accelerated Computer Science Fundamentals: University of Illinois at Urbana Champaign • Embedded software and hardware architecture: University of Colorado Boulder • Introduction to Embedded machine learning: Edge Impulse PROFESSIONAL COURSES AND SPECIALIZATIONS, EDX • Embedded Systems – Shape the World: Multi-Threaded Interfaces • Embedded Systems – Shape the World: Microcontroller Input/Output *** PROJECTS *** 1. AGV – AUTONOMOUS GROUND MOVING VEHICLE • A remotely controlled autonomous ground moving vehicle • Controlled with an android app via two optional wireless communication mediums, Bluetooth and WIFI • Driven by two stepper motors for precise movement and torque 2. UMV – UNMANNED MARINE/UNDERWATER VEHICLE • Was part of a research team that worked on an autonomous and intelligent marine vehicle for capturing marine and oceanographic variables offshore. • I was responsible for the CAD model and simulation of vehicle in the ocean 3. FUEL TANK MONITORING SYSTEM • Primarily monitors the products in fuel tanks and reports to a cloud server • With grid and generator power alert feature and usage statistics • Integrated HMI for retrieving inventory reports locally • With Efficient power management system 4. V ARM – VOICE CONTROLLED, 4 DOF ROBOTIC ARM • A four degrees of freedom robotic arm that receives command via a sound module and carries out actions based on the user’s pre- programmed commands 5. IoT POWERED, FUEL STATION AUTOMATION CONTROLLER • Communicates with fuel dispensers via proprietary and closed M2M protocols • Advance cryptography algorithm for secure data storage and transmission 6. FUEL DISPENSER SIMULATOR AND CONFIGURATION TOOLS • A desktop software that simulates the behavior of fuel dispensers • Communicates with controllers via proprietary communication protocols

Production-Ready PCB Design | Multilayer Boards That Work First Time | Altium, KiCad, STM32 & ESP32 Need a PCB design that works flawlessly in production—not just in simulation? I'm Hassan Abdullahi Opeyemi, an Electronics & Mechanical Engineer specializing in PCB Design, Embedded Systems, Hardware Development, Product Design, and Manufacturing-Ready Electronics. I help startups, product companies, and innovators transform ideas into reliable, production-ready hardware—from concept and system architecture to prototype validation and manufacturing support. My expertise covers complete hardware architecture, component selection, schematic capture, multilayer PCB layout, embedded hardware, and mechanical product integration. I design compact, high-performance electronics optimized for manufacturability, reliability, and cost efficiency. ✅ WHAT YOU GET: → First-spin success rate 85% (most designs work perfectly out of fabrication) → Signal-integrity-tested layouts that pass EMC/EMI compliance → DFM-optimized designs that reduce your assembly costs by 20-30% → Manufacturing files accepted first-time by JLCPCB, PCBWay, and all major fabs → Complete documentation: schematics, Gerbers, BOM, pick-and-place, assembly notes 🎯 SPECIALIZED IN: • 1-8 Layer PCB Design & Layout (Altium Designer, KiCad, EasyEDA) • ESP32 / STM32 / RP2040 / Arduino embedded controller boards • IoT hardware (WiFi, BLE, LoRa, cellular, sensor integration) • Power supply design (buck/boost converters, LDOs, battery management) • High-speed digital & mixed-signal boards with proper SI/PI analysis • Cost-optimized redesigns and DFM/DFA reviews As a mechanical engineer, I also provide the following: • Mechanical Product Design • CAD Modeling & 3D Design • Technical Drawings • Product Development • Design for Manufacturing (DFM) • Mechanical Assembly Design • Enclosure Design & Integration 🔥 WHY CLIENTS CHOOSE ME: ✓ I think like a product engineer, not just a layout technician—I catch design risks before fabrication ✓ I've shipped boards into production for consumer IoT, industrial control, and medical monitoring applications ✓ I optimize for three things: performance, manufacturability, and cost—in that order ✓ I deliver complete, professional packages with zero back-and-forth on file formats ✓ Average response time: <3 hours during business days I have experience designing electronics for IoT devices, wearable products, consumer electronics, industrial automation, automotive electronics, embedded systems, battery-powered devices, Bluetooth products, and smart connected hardware. 📊 TRACK RECORD: • 50+ PCB designs delivered to production across 15 countries but not upwork here • Boards shipping in products with 5K-50K unit annual volumes • Clients in smart home, agricultural tech, medical devices, and industrial automation • Typical project timeline: 3-10 days for schematic + layout + files 🛠️ IDEAL PROJECTS: → Custom embedded controller PCBs (2-6 layer) → IoT sensor and communication boards → Product redesigns for manufacturing and cost reduction → PCB review and troubleshooting (pre-fabrication or post-failure analysis) → Rapid prototyping with tight timelines 💡 MY PROCESS: 1. Requirements Review (15-30 min call): We clarify specifications, constraints, and success criteria 2. Schematic Design: You get a complete, readable schematic with part selection optimized for availability and cost 3. PCB Layout: Fully routed board with proper copper pours, impedance control, and thermal management 4. DFM Verification: I run manufacturer checks and optimize for your chosen fab house 5. Delivery Package: Gerbers, drill files, BOM, CPL, PDFs, native project files, and assembly notes 🚀 READY TO BUILD HARDWARE THAT WORKS? Click the green button above to start a conversation. Share your requirements, and I'll provide a clear project plan and timeline within 12 hours. I only take 3-4 projects monthly to ensure quality and attention. If you need reliable PCB design that ships on time and works first time, let's talk today. 📩 Available for both fixed-price projects and ongoing hardware development partnerships.

I’m Samuel, a professional PCB Designer and Embedded Hardware Developer specializing in PCB Design, PCB Layout, KiCad, Altium Designer, Schematic Capture, Circuit Design, Embedded Systems, ESP32, STM32, Arduino, nRF, Raspberry Pi, and IoT hardware. I help startups, engineers, inventors, and product developers transform ideas, circuit concepts, schematics, prototypes, and technical requirements into reliable, optimized, and manufacturing ready electronic products. Whether you need a custom PCB from scratch, schematic-to-PCB conversion, multilayer PCB layout, embedded hardware development, microcontroller-based PCB, IoT device, PCB redesign, or prototype ready electronics, I focus on delivering clean designs built for performance, reliability, manufacturability, real world application. 🔧 SERVICES I OFFER ✔ Custom PCB Design & PCB Layout ✔ Schematic Capture & Circuit Design ✔ Schematic to PCB Conversion ✔ KiCad PCB Design & Altium PCB Design ✔ 2-Layer, 4 Layer & Multilayer PCB Design ✔ Component Selection & Footprint Creation ✔ PCB Component Placement & Routing ✔ Analog, Digital & Mixed Signal PCB Design ✔ Power Electronics & Power Supply PCB Design ✔ Microcontroller & Embedded Hardware Design ✔ ESP32, STM32, Arduino & nRF PCB Development ✔ Raspberry Pi & IoT Hardware Integration ✔ Sensor & Controller Board Design ✔ Prototype PCB Design & Hardware Development ✔ PCB Redesign, Optimization & Troubleshooting ✔ PCB Design Review & Engineering Changes ✔ Manufacturing-Ready PCB Preparation ✔ DRC, ERC, DFM & DFA Verification ⚡ EMBEDDED & MICROCONTROLLER HARDWARE I design hardware around ESP32, STM32, Arduino, nRF, Raspberry Pi, ARM microcontrollers, sensors, communication modules, development boards, controller boards, and custom embedded systems. I can work with interfaces and technologies including I2C, SPI, UART, USB, USB-C, CAN, RS-485, GPIO, ADC, DAC, PWM, Bluetooth, BLE, Wi-Fi, Ethernet, RF, GPS, GSM, LoRa, and wireless communication. For electronics projects, I also work with power management, voltage regulators, LDOs, DC-DC converters, battery charging, battery management, MOSFETs, transistors, motor controllers, LED drivers, relays, sensors, displays, and protection circuits. 🛠️ TOOLS & SOFTWARE KiCad | Altium Designer | EasyEDA | Arduino IDE | CAD Software | LTspice | Autodesk Electronics/Fusion Electronics I can work with existing KiCad projects, Altium projects, EasyEDA files, schematics, PCB layouts, component libraries, footprints, BOMs, datasheets, and reference designs, or create a new design from your technical requirements. 📦 WHAT YOU WILL GET Depending on your project requirements, I can provide: ✔ Professional Electrical Schematic ✔ Complete PCB Layout ✔ KiCad / Altium Source Files ✔ Editable PCB Project Files ✔ Component Libraries & Custom Footprints ✔ Component Placement & PCB Routing ✔ Multilayer PCB Stack-Up Planning ✔ DRC & ERC Verification ✔ Gerber & NC Drill Files ✔ Bill of Materials (BOM) ✔ Pick-and-Place / Centroid Files ✔ PCB Fabrication Drawings ✔ Assembly Documentation ✔ PCB 3D / STEP Files ✔ Manufacturing-Ready Design Files ✔ PCB Design Review & Optimization ✔ Prototype & Revision Support 🚀 PROJECTS I CAN HELP WITH ✔Custom PCB Design from Concept ✔Schematic-to-PCB Development ✔ESP32 PCB Design ✔STM32 PCB Design ✔Arduino PCB Design ✔nRF / Wireless PCB Design ✔Raspberry Pi Hardware Integration ✔IoT Hardware & Embedded Systems ✔Sensor & Controller Boards ✔Development Boards ✔Power Supply & Power Management Boards ✔Battery & Charging Circuits ✔Motor Controller Boards ✔Communication Interface Boards ✔Industrial & Consumer Electronics ✔Prototype Hardware Development ✔Existing PCB Redesign & Optimization ✔PCB Troubleshooting & Design Review ✔Production & Manufacturing Preparation 🎯 MY DESIGN APPROACH A successful PCB is more than simply connecting components. I focus on electrical reliability, clean PCB layout, correct component placement, efficient routing, grounding, power distribution, signal integrity, manufacturability, thermal considerations, component availability, and production requirements. ⭐ WHY CHOOSE ME? ✔ PCB Design & Embedded Hardware Focus ✔ KiCad & Altium Design Workflow ✔ ESP32, STM32, Arduino, nRF & Raspberry Pi ✔ Clean and Organized PCB Layout ✔ Manufacturing Focused Engineering ✔ Reliable Schematic & Circuit Design ✔ DRC, ERC, DFM & DFA Checks ✔ Clear Technical Documentation ✔ Prototype-to-Production Support ✔ Attention to Detail and Electrical Reliability My goal is to deliver accurate PCB designs, reliable embedded hardware, clear documentation, and production ready files while reducing design errors, prototype failures, manufacturing issues, revisions. Whether you have a schematic, BOM, datasheet, existing PCB, KiCad/Altium project, prototype, or product idea, I can review your requirements and recommend the right engineering approach. Turn your concept into a reliable, professional, manufacturable, and production-ready electronic product.

𝐖𝐡𝐚𝐭 𝐢𝐟 𝐨𝐧𝐞 𝐬𝐦𝐚𝐥𝐥 𝐦𝐢𝐬𝐭𝐚𝐤𝐞 𝐢𝐧 𝐲𝐨𝐮𝐫 𝐏𝐂𝐁 𝐝𝐞𝐬𝐢𝐠𝐧 𝐜𝐨𝐬𝐭𝐬 𝐲𝐨𝐮 𝐰𝐞𝐞𝐤𝐬 𝐨𝐟 𝐝𝐞𝐥𝐚𝐲𝐬 𝐚𝐧𝐝 𝐡𝐮𝐧𝐝𝐫𝐞𝐝𝐬 𝐨𝐟 𝐝𝐨𝐥𝐥𝐚𝐫𝐬 𝐢𝐧 𝐛𝐨𝐚𝐫𝐝 𝐫𝐞-𝐬𝐩𝐢𝐧𝐬? 𝐏𝐨𝐨𝐫 𝐬𝐜𝐡𝐞𝐦𝐚𝐭𝐢𝐜 𝐝𝐞𝐬𝐢𝐠𝐧, 𝐏𝐂𝐁 𝐥𝐚𝐲𝐨𝐮𝐭 𝐞𝐫𝐫𝐨𝐫𝐬, 𝐨𝐫 𝐰𝐞𝐚𝐤 𝐞𝐦𝐛𝐞𝐝𝐝𝐞𝐝 𝐬𝐲𝐬𝐭𝐞𝐦𝐬 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 𝐜𝐚𝐧 𝐪𝐮𝐢𝐜𝐤𝐥𝐲 𝐝𝐞𝐫𝐚𝐢𝐥 𝐚𝐧 𝐈𝐨𝐓 𝐡𝐚𝐫𝐝𝐰𝐚𝐫𝐞 𝐩𝐫𝐨𝐣𝐞𝐜𝐭. I’m a PCB Design & Embedded Systems Engineer focused on creating reliable electronics hardware, helping companies develop production-ready PCB designs, optimized schematics, and robust embedded systems for IoT devices and smart electronics products. My work focuses on high-quality PCB design and embedded systems integration, ensuring every PCB layout, schematic, and circuit design is optimized for manufacturability, performance, and reliability. Whether you need a PCB design for an IoT device, embedded hardware system, smart electronics product, or control system, I provide professional hardware engineering and electronics design solutions. 𝗖𝗢𝗥𝗘 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 As a Hardware Engineer and Electronics Engineer, my main expertise includes: PCB Design for embedded systems and IoT hardware Schematic Design and Circuit Design for electronics products PCB Layout and Routing for compact and high-performance boards Embedded Systems Development for smart devices and control systems IoT Hardware Development and connected electronics devices Hardware Prototyping and Product Development I regularly work on PCB design projects involving embedded systems, IoT devices, smart electronics, and control hardware. My workflow includes schematic design, PCB layout optimization, hardware testing, and prototype validation to ensure the final PCB board design is production ready. 𝗘𝗠𝗕𝗘𝗗𝗗𝗘𝗗 𝗦𝗬𝗦𝗧𝗘𝗠𝗦 & 𝗙𝗜𝗥𝗠𝗪𝗔𝗥𝗘 𝗣𝗟𝗔𝗧𝗙𝗢𝗥𝗠𝗦 My embedded systems development experience includes firmware and hardware integration using: ESP32 / ESP32-S3 embedded systems Arduino microcontroller platforms Raspberry Pi hardware integration STM32 embedded systems RISC-V microcontroller platforms Embedded firmware development with FreeRTOS I design PCB hardware and embedded systems that integrate WiFi, BLE, NFC, CAN Bus, and RS-485 communication interfaces, allowing reliable IoT device connectivity and monitoring systems. These technologies are commonly used in IoT sensors, monitoring devices, smart hardware products, and automation systems. 𝗣𝗖𝗕 𝗗𝗘𝗦𝗜𝗚𝗡 𝗧𝗢𝗢𝗟𝗦 & 𝗪𝗢𝗥𝗞𝗙𝗟𝗢𝗪 My PCB design and layout workflow ensures efficient manufacturing and reliable hardware performance. Tools and capabilities include: KiCad PCB design and schematic capture EasyEDA PCB layout development Professional PCB routing and PCB layout optimization Hardware schematic review and PCB design review Prototype PCB development and testing Using these tools, I deliver clean PCB layouts, optimized schematics, and production-ready PCB board designs for a wide range of electronics products. 𝗦𝗣𝗘𝗖𝗜𝗔𝗟𝗜𝗭𝗘𝗗 𝗛𝗔𝗥𝗗𝗪𝗔𝗥𝗘 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧 In addition to general PCB design and embedded systems engineering, I also work on specialized hardware projects such as: Power electronics design including DC-DC converters and buck converters MPPT solar charge controller hardware development RF design and wireless communication hardware BLDC motor control and FOC motor control systems Wearable electronics and smart device hardware IoT sensor devices and monitoring systems I have experience designing wireless audio systems, PoE hardware systems, smart home devices, wearable devices, and embedded control electronics. 𝗣𝗥𝗢𝗗𝗨𝗖𝗧 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧 𝗘𝗫𝗣𝗘𝗥𝗜𝗘𝗡𝗖𝗘 I frequently help clients develop complete IoT and electronics products, including: Smart home devices Wearable electronics products IoT monitoring systems Embedded control systems Consumer electronics hardware My role typically includes electronics engineering, hardware architecture, PCB design, embedded systems integration, firmware coordination, and prototype development. 𝗪𝗛𝗔𝗧 𝗬𝗢𝗨 𝗖𝗔𝗡 𝗘𝗫𝗣𝗘𝗖𝗧 When working with me you will get: Professional PCB design and embedded systems engineering Reliable schematic design and PCB layout development Efficient hardware prototyping and electronics product development Optimized IoT hardware and smart device systems 𝐈𝐟 𝐲𝐨𝐮 𝐧𝐞𝐞𝐝 𝐚 𝐏𝐂𝐁 𝐃𝐞𝐬𝐢𝐠𝐧 & 𝐄𝐦𝐛𝐞𝐝𝐝𝐞𝐝 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫 𝐰𝐡𝐨 𝐮𝐧𝐝𝐞𝐫𝐬𝐭𝐚𝐧𝐝𝐬 𝐡𝐨𝐰 𝐭𝐨 𝐭𝐫𝐚𝐧𝐬𝐟𝐨𝐫𝐦 𝐚𝐧 𝐢𝐝𝐞𝐚 𝐢𝐧𝐭𝐨 𝐫𝐞𝐥𝐢𝐚𝐛𝐥𝐞 𝐈𝐨𝐓 𝐡𝐚𝐫𝐝𝐰𝐚𝐫𝐞 𝐰𝐢𝐭𝐡 𝐜𝐥𝐞𝐚𝐧 𝐬𝐜𝐡𝐞𝐦𝐚𝐭𝐢𝐜𝐬 𝐚𝐧𝐝 𝐨𝐩𝐭𝐢𝐦𝐢𝐳𝐞𝐝 𝐏𝐂𝐁 𝐥𝐚𝐲𝐨𝐮𝐭𝐬, 𝐥𝐞𝐭’𝐬 𝐭𝐚𝐥𝐤.

Your business doesn't need another Notion workspace. It needs a system that actually runs your business. Most businesses don't struggle because they're missing software. They struggle because information is scattered, processes live in people's heads, and repetitive work steals hours every week. If your team constantly asks "Where is that?", your problem isn't Notion it's your system. That's where I come in. I help founders, agencies, consultants, coaches, and growing businesses replace disconnected tools with an AI-powered Business Operating System built in Notion. Instead of juggling spreadsheets, documents, CRMs, Slack messages, and multiple apps, you'll have one connected workspace where everything works together seamlessly. I don't build "pretty dashboards." I build business systems that organize your operations, automate repetitive work, improve collaboration, and scale with your business. The result? ✔ Less manual work ✔ Better visibility across your business ✔ Faster execution and decision-making ✔ More accountability for your team ✔ More time to focus on growth instead of managing chaos What I Build Every workspace is designed around your business, not a generic template. I create custom systems including: ✅ Business Operating Systems (Business OS) ✅ Company HQ & Executive Dashboards ✅ CRM & Client Management Systems ✅ Project & Task Management Systems ✅ Knowledge Bases & Internal Wikis ✅ SOP & Documentation Systems ✅ Client Portals ✅ Content Planning Systems ✅ KPI & Reporting Dashboards ✅ AI-Powered Workflows ✅ Workflow Automation & System Integrations Automation & Integrations I don't stop at Notion. I connect your tools into one intelligent workflow using: ✔ Make ✔ n8n ✔ Zapier ✔ Notion API ✔ ChatGPT & Claude AI ✔ Google Workspace ✔ Airtable ✔ Slack ✔ Calendly ✔ Typeform ✔ Google Sheets Your system doesn't just store information it works for you automatically. My Approach Every project starts with understanding how your business actually operates. Before building anything, I map your workflows, identify bottlenecks, and design the right system architecture. Then I build a workspace that's intuitive, scalable, and easy for your team to adopt. My process is simple: 🔍 Audit – Understand your current workflows and identify what's slowing you down. 🧠 Strategy – Design a system around your business processes before creating a single page. ⚙️ Build – Develop your workspace with connected databases, dashboards, and automations. ✅ Refine – Test, optimize, and fine-tune every workflow. 🎓 Handover – Provide documentation, walkthroughs, and training so your team can confidently use the system. 🤝 Ongoing Support – I don't disappear after delivery. I help your workspace evolve as your business grows. Why Clients Work With Me I don't measure success by how beautiful a dashboard looks. I measure success by how much time it saves, how smoothly your team operates, and how confidently your business can scale. My goal is simple: Build a system that becomes the single source of truth for your business one that your team actually enjoys using and one that continues delivering value long after the project is complete. If you're ready to replace scattered tools with a centralized, automated business system designed around how your business actually works, let's build something that saves time, reduces stress, and supports your growth. Send me a message, and let's turn your Notion workspace into the operating system your business deserves.

🔹 Welcome to My Profile! 🔹 Are you seeking a seasoned Embedded Systems Engineer with a track record of successfully bringing startup projects to production? Look no further! With over six years of hands-on experience in the field, I specialize in turning innovative ideas into fully functional embedded solutions. My expertise spans across a wide range of industries, including IoT, automotive, consumer electronics, and more. 🛠️ What I Offer: ✅ Embedded Systems Development: From concept to deployment, I excel in designing and implementing embedded systems tailored to your specific requirements. Whether it's firmware development, hardware integration, or system optimization, I ensure top-notch performance and reliability. ✅ IoT Solutions: Harnessing the power of interconnected devices, I create robust IoT solutions that enable seamless communication and data exchange. From sensor integration to cloud connectivity, I deliver end-to-end solutions that drive business innovation. ✅ Startup Project Expertise: Having spearheaded numerous startup projects, I understand the unique challenges and tight deadlines associated with bringing a product to market. My proven ability to navigate these obstacles ensures timely delivery without compromising quality. ✅ Prototyping and Testing: With a keen eye for detail, I meticulously prototype and test embedded systems to validate functionality and performance. Through rigorous testing methodologies, I identify and address any potential issues before they impact your project. Why you should hire me? ☑️ High-Quality Work ☑️ Cost-Efficient Services ☑️Collaborative, motivated, enthusiastic and dedicated to achieving goals ☑️ Long-term working relationship Expertise - Embedded systems - Hardware Design - Firmware development - Research and development Programming languages and concepts - C/C++ programming - Python programming language - JavaScript Hardware platforms - ESP32/ESP8266 - STM32F4 - Arduino - Raspberry Pi - NVIDIA Jetson nano - nRF52 Softwares and tools - KiCad - EasyEDA - Altium Designer - Arduino IDE - PlatformIO - Eclipse - STM32CubeIDE - TinkerCad - Espressif IDF - nRF Connect SDK Other Skills - UART - I2C - SPI - MQTT - HTTP - I2S - FreeRtos - BLE - TFT Displays - TinyML - Automation I ensure cost-effective designs that works as you want, every time.