Custom ESP32-S3 Controller PCB

@Mahihassi

As an accomplished Electrical Engineer with a wealth of experience in embedded systems and PCB design, I am confident that I have the precise skills your project requires. Having already worked on a variety of microcontrollers including STM32, ESP32, and more, I guarantee a thorough and meticulous review of your specification PDF. Be it the BOM, GPIO table, or electrical constraints, every detail will be given the top-most priority to ensure utmost precision in the final product. My expertise with various CAD software including KiCad would enable me to capture or verify the schematic and complete the PCB layout in adherence to the size, power, and thermal guidelines you've detailed out. Not only will I follow DFM rules from JLCPCB but also provide you with Gerber, BOM with LCSC numbers, and CPL files ready for turnkey PCBA at JLCPCB - a clean manufacturing package that takes all your requirements into account. Moreover, my proficiency in IoT connectivity using MQTT APIs and my experience in firmware development of wireless stacks like BLE and Wi-Fi further aligns me with your project needs. In addition to that, having worked on various IoT products throughout my career ensures my familiarity with field connections terminating on pluggable blocks - as you're seeking.

@ITECH

As a full-service product development team specializing in IoT solutions and embedded systems like your project, we bring a breadth of experience to the table that few can match. Our expertise extends from circuit design to mobile apps, web dashboards, and cloud integration– all the tools essential for bringing your concept to market. With our help, we can turn your FS-CTRL-1P controller into a cutting-edge ESP32-S3 with Ethernet, Wi-Fi, 4G LTE capabilities and more. We understand how important it is to adhere to strict electrical constraints and compatibility guidelines as you have outlined in your specification PDF. Rest assured, we are thorough and detail-oriented professionals who will not skip even the smallest of details. We painstakingly check each connection in our layout process and adopt manufacturer-specific rules (such as JLCPCB DFM and LCSC stock checks) to ensure that plans align properly with reality. Moreover, we prioritize your time frames as much as you do. Once you've provided the initial specifications necessary for us to undertake the project, we'll provide you with an estimated timeline and fixed quote within short order. Our promise is not only meeting deadlines but also accounting for any technical challenges along the way in real time. Simply put, hiring us guarantees expert delivery at competitive rates for all your connected product needs. Let's embark on this ESP32-S3 journey together!

@amelectronics

I am a skilled and reliable Embedded Systems Engineer with over 6 years of hands-on experience in Arduino, ESP32/ESP8266, and microcontroller-based development. I specialize in designing efficient, stable, and scalable embedded solutions, turning ideas into fully functional hardware-software systems. I have a strong background in electronics, sensors, communication protocols (UART, I2C, SPI, MQTT, WiFi, BLE), and real-time embedded systems. My development approach focuses on clean, well-structured, and well-documented firmware, ensuring long-term reliability and easy maintenance. I also provide thorough testing, debugging, and performance optimization, including power efficiency improvements where required. I am a detail-oriented engineer with strong problem-solving skills and extensive experience in hardware debugging and firmware optimization. Beyond technical expertise, I value clear communication, meeting deadlines, and maintaining high client satisfaction. I work closely with clients to fully understand project requirements and deliver high-quality results. Pricing is flexible and can be discussed based on project scope and complexity. I am open to both short-term and long-term projects. Let’s work together to build a professional, reliable, and efficient embedded system for your needs.

@macroenergy

Greetings! I am Metin, an experienced electrical engineer who specializes in circuit design, embedded systems, and PCB layout. With a background in digital motor control, power electronics, and electronics design to name a few, I believe I have the skills necessary not just to handle your FS-CTRL-1P controller project but to execute it exceptionally. Throughout my career, I've dealt with complex designs that required meticulous attention to detail and adherence to manufacturer-specific guidelines - qualities that I will bring to your project. Be it the review of your specifications PDF or ensuring the board size and thermal management are optimal, you can count on me to prioritize these factors for a production-ready PCB. Moreover, my proficiency extends to KiCad 8.x, which aligns with your project requirements. With this comprehensive understanding of the software in combination with my previous experience working on projects featuring ESP32-S3 MCU and other components mandated in your project description, I believe I am more than up for the task. Let me use my expertise to provide you with a stellar manufacturing package including Gerber files, BOM with LCSC numbers and CPL files for turnkey PCBA at JLCPCB. Discussing technical queries is my forte; allow me to handle them swiftly for uninterrupted progress. I look forward to bringing your concept to life!

@mairajali11

As a seasoned electrical engineer with over 8 years of experience in PCB designing and prototyping, I am eager to bring your custom ESP32-S3 controller concept to life. My expertise in KiCAD 8.x and other PCB design software will ensure your project is handled professionally and efficiently. I am well-versed in all aspects of PCB design, from meticulous schematic capturing to precise layout to following manufacturer-specific guidelines. I will make sure all your specifications, including the GPIO table and electrical constraints, are prioritized and adhered to. In addition to my proficiency in KiCAD and other software like Eagle, Altium and EasyEDA, my diverse skillset in embedded systems, electronics, and MATLAB/SIMULINK programming makes me a valuable asset for this project. I have a deep understanding of embedded system designs using Arduino and I am comfortable with various simulation programs like Proteus, AutoCAD, LTspice, PSpice. I've also worked extensively on FPGA developments using Xilinx. Throughout my career, client satisfaction has been my top priority. Being a Preferred Freelancer within the top 1% of professionals gives evidence of my commitment to deliver the best solutions within stipulated timeframes. In conclusion, hiring me means choosing excellence━from detailed BOM management to clean manufacturing packages-ready Gerber files. Let's collaborate on transforming your vision into reality! Feel free to contact me at any time; I'm always here to help!

@markoa7

As an experienced PCB designer with a knack for bringing innovative electronic solutions to life, I believe that I am the perfect fit for your Custom ESP32-S3 Controller PCB project. Having honed my skills in PCB and electrical engineering over the years, including specialty in multilayer designs, power supply circuits like the ones your project requires—I confidently understand your design concept, and I'm eager to turn it into a reality. When it comes to your specific needs like Wi-Fi, Ethernet, LTE capabilities, and more—I have significant experience working with these technologies on microcontrollers similar to the ESP32-S3 that your design will be based on. My proficiency includes following manufacturer-specific guidelines such as JLCPCB DFM rules, and ensuring a clean manufacturing package. With my strong track record and unwavering penchant for delivering high-quality products on time, I'm excited about the opportunity to work on this project. Together we can draft a plan that caters efficiently to your project's unique BOM and gpio constraints while following designated timelines. Let's communicate further about your expectations so we can set a fixed quote and get started on this innovative journey!

@engrusmanfaiz

Dear Sir, From your project description, the key challenge is integrating multiple complex subsystems (ESP32-S3, LTE BG95-M3, Ethernet with PoE, and industrial I/O) into a single reliable, production-ready PCB while maintaining signal integrity, RF performance, and JLCPCB manufacturability. This type of mixed RF + power + industrial design requires careful architecture and layout Solution Approach: I will approach your design with a structured engineering methodology: • Specification First Review: I will thoroughly analyze your PDF to eliminate conflicts early and optimize pin mapping for performance and routing efficiency. • Robust Schematic Design: Clean and validated schematic ensuring proper interfacing between ESP32-S3, BG95-M3, W5500, and all peripherals including protection circuits. • Advanced PCB Layout (KiCad 8.x): • RF-safe layout for LTE and Wi-Fi • Controlled routing for Ethernet (W5500) • Proper grounding, isolation • DFM + Assembly Optimization: Full compliance with • Production Package Delivery: • Gerber files • BOM with LCSC part numbers • CPL file (Pick & Place) Ready for turnkey PCBA This ensures your board is not just functional, but stable, manufacturable, and scalable. I am available for quick technical discussions to keep progress fast and efficient. Regards, Engineer Muhammad Usman

@majeed219

Hi there, You need a production-ready KiCad 8.x PCB for the FS-CTRL-1P integrating an ESP32-S3, Ethernet, and LTE; I specialize in designing complex, multi-protocol communication boards optimized for JLCPCB turnkey assembly. --Why me?-- As an embedded software engineer with extensive experience routing high-density ESP32-S3 architectures, I guarantee strict adherence to your GPIO constraints, thermal guidelines, and JLCPCB DFM rules. --My method-- I will conduct a rigorous LCSC stock check during the KiCad schematic capture, ensuring the W5500 and Quectel BG95-M3 reference layouts are flawlessly translated into a reliable pluggable terminal design. --Portfolio-- * Industrial Node Network — deployed custom ESP32-S3 hardware managing complex wireless and wired data routing. * Smart Vital Ring — engineered a micro-scale, mixed-signal PCB requiring strict power management and precise component selection. --Availability-- I am available according to your timezone to ensure rapid technical communication and fast iteration on the specification review. --Post-project support-- I provide two weeks of free support following delivery to assist with any manufacturing queries or turnkey PCBA adjustments. --Documentation-- You will receive native KiCad 8.x files, fully compliant Gerbers, an LCSC-matched BOM, and CPL files ready for immediate JLCPCB fabrication. Regards, Majeed

@tshibsamuel477

Hi there, I’ve carefully read through your project description for the FS-CTRL-1P controller, and I fully understand the scope, constraints, and production requirements for JLCPCB. Your combination of ESP32-S3, W5500 with PoE, BG95-M3 LTE, and the mixed I/O architecture is something I’m very familiar with—I’ve already worked with all the components and interfaces mentioned in your project, including ESP32-based systems, Quectel modules, RS-485/Wiegand, relay control, opto-isolated inputs, and Li-Po power management. With my background in mechatronics engineering and several years of PCB design experience, I can take your specification from concept to a clean, production-ready design efficiently. I’m comfortable handling full schematic validation, multi-layer PCB layout, thermal and power considerations, and ensuring strict compliance with JLCPCB DFM rules and LCSC sourcing for turnkey PCBA. Given my experience with similar complex embedded systems, I’m confident I can deliver this faster while maintaining high reliability and manufacturing quality. Once I review your specification PDF, I’ll provide a precise timeline and fixed quote. Feel free to send me the files—I’m ready to start immediately. Best regards, Samuel Tshibangu

@AwaisChaudhry

Hi there, I’ve reviewed your FS-CTRL-1P concept and I’m ready to turn it into a production-ready KiCad 8.x layout for JLCPCB. I will validate the BOM, GPIO map, and electrical constraints from your PDF, then deliver a clean schematic and a PCB that fits your size, power, and thermal goals. I’ll follow ESP32-S3 and BG95-M3 reference layouts, apply JLCPCB DFM rules, perform an LCSC stock check for every part, and provide Gerber, BOM with LCSC numbers, and CPL files for turnkey PCBA. I’ll also estimate a realistic timeline and a fixed quote after reviewing the spec in detail. Understanding and approach: I will methodically verify all interfaces (Ethernet with PoE, Wi‑Fi, 4G, RS‑485/Wiegand, relays, opto inputs, Li‑Po charger, watchdog, and the I²C header) against your GPIO table and electrical constraints. Then I will create a compact yet robust layout that minimizes thermal hotspots while leaving generous headroom for signal integrity and EMI. All field connections will end at pluggable blocks, and I will document each part’s footprint and DFM notes for easy sourcing. Plan a compelling question about the project to involve the client, tone should be Reliable and Eagerly English Technical questions I will ask the client (key items only): - Are the electrical constraints in the PDF final and locked (voltage rails, PoE budget, max current, inrush handling, etc.)? - Do you require a specific PoE class (802.3af/at) and any power budgeting per subsystem (ESP32, BG95, LTE, USB,

@ovaisiq

Hi, I have rich experience with ESP32 and W5500 as well as POE -PD projects. BG95-M3 is not available on jlc right now so we will have to find alternate. Rest of the components are easy to manage. Lets discuss details Thanks

@SPARKtechBD

Since 2003 I am working in Digital Electronic. So more than 18 years of experience in Electronics. Arduino NANO/UNO/MEGA, ESP32 and Raspberry PI to build a digital device to read sensor data and send it to the web server, motor control, control relay switches and LEDs. More than 5(five) years of experience in Arduino design and build. If you want an excellent and error-free project delivery, then send a message to me, please. Have more than 10(years) years of experience in C/C++ to build Windows/Linux applications and micro-controller firmware building. If you want a good job delivery, then send a message to me, please. Since 1995 I have been working on Analog and Digital Electronics to build any kind of device. I have build lots of devices. So more than 20 years of experience on Electronics. Including power supply design. Any kinds of schematic and PCB design. Expert PCB design in EasyEDA Pro IDE.

@Amidst

Hey there! I’m Alok, A PCB, Circuit and Mechanical designer with a passion for turning ideas into rock-solid, high-performance circuit boards. even expert on Python, C, C++ With nearly a decade of experience, I’ve tackled everything from compact consumer gadgets to complex industrial systems—always with a focus on precision, efficiency, and reliability. # Schematic & Layout Design – Clean, optimized, and manufacturable. # Component Selection & Library Management – No surprises, just the right parts for the job. # Reverse Engineering – PCB cloning, replication, and improvements. # Gerber, BOM & CPL Generation – Ready for seamless production. # DFM & DFA Expertise – Because great design means smooth manufacturing. # Multi-Layer, Flex, & High-Density PCB Design – Whatever the project needs. If you need a PCB and Code that’s efficient, reliable, and built for real-world performance, let’s chat. I’d love to help bring your project to life!

@mykolalus

Hi, I recently designed an STM32-based industrial controller combining Ethernet (W5500 + PoE), LTE modem integration, and isolated field I/O on a compact PCB. The main challenge was clean power domain separation, RF coexistence (Wi-Fi + LTE), and ensuring JLCPCB-ready manufacturability. From your description, you need a production-ready KiCad 8.x design integrating ESP32-S3, W5500 with PoE, and BG95-M3 plus mixed I/O and power subsystems. Key considerations will be RF layout, power integrity, isolation, and strict JLCPCB DFM compliance. My approach would be: 1. Review spec (GPIO, BOM, constraints) in detail 2. Validate schematic against reference designs 3. Optimize layout (RF, power, isolation zones) 4. Ensure LCSC availability + JLCPCB assembly rules 5. Deliver full Gerber, BOM, CPL package Quick question: Do you have preferred antenna types (PCB, IPEX, SMA) for Wi-Fi and LTE, or should I propose optimal options? Best regards Mykola

@shykhAbubakar

Hi, I have read and reviewed your document carefully. Find my TOP NOTCH similar work on the PCB Design & Fabrication Package project. The project included boards with ESP32 modules, Ethernet interfaces, and LTE modems. Before moving forward, just let me know: Do you require the full turnkey PCBA package only, or also simulation/validation reports for thermal and power checks? Project Deliverables • Schematic capture in KiCad • PCB layout • BOM with LCSC part numbers • Gerber and CPL files (Feel free to ask if you would like to add any additional deliverables) Tools I Use • KiCad I am ready to deliver a production ready PCB package with schematic, layout, BOM, and manufacturing files aligned with your FS CTRL 1P specification. My focus will be on accuracy, manufacturability, and compliance with IPC and JLCPCB requirements. Let me know when you’re ready, and I will get started at a time that works best for you. Best regards, Abubakar Muhammad

@Feriver

Hello, I understand you need a production-ready PCB design for your FS-CTRL-1P controller based on the ESP32-S3 with Ethernet, Wi-Fi, 4G LTE (Quectel BG95-M3), RS-485/Wiegand, relays, opto-isolated inputs, Li-Po charger, hardware watchdog, and I²C header. I will review your specification PDF in detail, verify the schematic, and complete the PCB layout in KiCad 8.x, adhering to size, power, thermal, and electrical constraints. The design will follow JLCPCB DFM rules, check all components against LCSC stock, and reference ESP32-S3 and BG95-M3 layouts. Deliverables include Gerber files, BOM with LCSC numbers, and CPL files ready for turnkey assembly. I will also provide an estimated timeline and fixed quote after reviewing the full specification. Clarification Questions: 1. Are there any specific layer stack-up or impedance requirements for high-speed signals (Ethernet/4G)? 2. Should the Li-Po charger support battery monitoring or only charging functionality? Thanks, Asif

@abdurRafiqM

HI, I am an experienced electronics and PCB Design engineer, specialised in use of ECAD software such as Altium Designer, KICAD, EasyEDA, etc. for the the design of electronics and PCB. I will design your projects to meet your Requirements and the industry standard. I do all kinds of circuits such as Power delivery circuit, Sensor Integrated Circuits, wireless control, MCUs etc. I will deliver the following. The Schematics for your Design The PCB for the design Bill of materials(If needed) Gerber, Pick and Place and other manufacturing and assembly drawings needed. Full Support and consultancy till the project is done. Kindly send me message so we can discuss further on your project I look Forward to working with you. Best Regards, Abdur-Rafiq

@dnx38

Hello, I'm a Mechatronics Engineer with wide skills in KiCad. I've designed similar boards combining ESP32-S3, and cellular modems (Quectel/SIMCom), battery charging, watchdog timers, and isolated I/Os. My Approach: 1. Review your spec PDF thoroughly, verify LCSC stock for all parts, flag alternatives if needed 2. verify schematic following manufacturer guidelines for ESP32-S3 and BG95-M3 (antenna trace routing, power sequencing and SIM interface) 3. Layout with proper thermal management, clean power domains, controlled impedance for Ethernet/RF, and EMI mitigation Deliverables: Complete KiCad 8 v files, Gerbers, accurate BOM with LCSC part numbers, CPL files, and design notes. I am available to start immediately with quick response to technical questions.

@electronicsdone

Best Custom ESP32-S3 Controller PCB Design Expert ⭐⭐⭐⭐⭐ Hi, A production-ready controller board is not just about placing components and routing traces. The real challenge is delivering a robust, well-integrated design that balances high-speed interfaces, power integrity, thermal performance, and manufacturability—while ensuring every subsystem works together reliably in real-world conditions. That is the level I focus on. I can help turn your FS-CTRL-1P concept into a fully production-ready PCB, carefully handling schematic validation, layout optimization, multi-interface integration (Ethernet, LTE, RS-485, and relays), and preparing a clean manufacturing package aligned with JLCPCB requirements. ✅ How I’ll Help You Succeed 1. Review and validate your specification PDF, ensuring the BOM, GPIO mapping, and electrical constraints are robust and conflict-free. 2. Capture and refine the schematic in KiCad 8.x, integrating ESP32-S3, W5500 Ethernet with PoE, BG95-M3 LTE, and all peripherals with correct reference designs. 3. Design a compact, reliable PCB layout with proper RF isolation, impedance considerations, power integrity, and thermal management. ✅A few quick questions: 1. Are there any strict size or enclosure constraints I should prioritize during layout? 2. Do you have preferred antenna configurations for Wi-Fi and LTE (onboard vs. external)? If you share that, we can align quickly and move forward. Best regards, Prat PCB Must Innovations