PCB Layout Jobs

I need a DC-DC converter prototype as per the following parameters: -Power Rating: 150W -Input: 28V DC Nominal (+/- 2V variation in the input) -Output: 180V, 1A -Output Adjustment: 60-180V using a 10K Ohm External Pot -Output Regulation: 2% -Regulated 120 V output under varying load and temperature. -High efficiency and low EMI because this board will sit close to sensitive vehicle controls. -Robust protection—input reverse polarity, over-current, over-temperature and soft-start are all essential. Preferred workflow You run the calculations, build and verify the topology in LTspice, PLECS, or a similar simulator, then create the schematic and multilayer PCB in Altium (KiCad is fine if you prefer). I’ll review each milestone before we move on to the next. Deliverables ...

Tengo una serie de ejercicios universitarios de teoría de circuitos que deben resolverse íntegramente en Multisim. El trabajo abarca análisis, diseño y simulación de cada circuito, así que necesito a alguien con experiencia sólida en electrónica y dominio comprobado del software. Entregables requeridos • Archivos de simulación Multisim listos para abrir y ejecutar. • Resultados numéricos verificados con capturas de pantalla clave que prueben el comportamiento esperado. • Informe breve con explicaciones básicas que incluyan: – Fundamentos teóricos aplicados. – Procedimiento de resolución seguido. – Interpretación de los resultados. Cada ejercicio...

1. Main Controller • The board’s main controller will be a microcontroller from the Teensy 4.0 class. It must have sufficient processing speed and GPIO capacity. 2. Integrated ESC • The board will feature a built-in ESC for driving a brushless starter motor. • It must support a current capacity of ≥40A. • The ESC will be powered by a 3S-4S battery. (Minimum 11.1–14.4 V, Maximum 12.6–16.8 V) • The necessary protection and secure signal connections must be provided between the motor driver and the controller. 3. Glow Plug Output • The board will include a power switching output for the glow plug. • It must support a current capacity of ≥16A. • On/Off control is sufficient. • The glow plug will be powered by 3S or 4S volt...

I need someone to migrate/translate Altium project in pads project. The files are ready in altium need exactly similar output delivered in pads vx2.7

We are seeking experienced Electrical/Electronics Engineers to review manufacturer datasheets and accurately extract or verify technical data using our secure, web-based platform. All work is performed inside our portal with detailed step-by-step instructions. This project does not require access to customer designs or schematics. Make sure to answer these and put in your bids 1. What is the difference between a component's Absolute Maximum Ratings and Recommended Operating Conditions? 2. Decompose "LDO, 3.3V, 500mA, SOT-23-5" and explain each element. 3. Name the two signals on an I2C bus and describe their functions. 4. Are you bidding as an individual or a team? If a team, provide the number of members and technical background of each. 5. Confirm your availability...

I have a complete mechanical outline in DXF format and need it translated into a fully routed, double-layer PCB ready for fabrication. The board will live inside a consumer-electronics product, so compact routing, clean silkscreen and DFM-friendly clearances are important. Because I don’t yet have a fixed parts list, I’m looking for your guidance on component selection—everything from connectors and regulators to passives that suit low-cost, high-volume production. Once we lock those in, please create the schematic, place and route the board, and generate fabrication data. Deliverables • Source files (Altium, KiCad or Eagle—whichever you prefer) • Gerber, drill and pick-and-place files • Annotated schematic PDF and BOM with supplier links ...

Pago total 20 dólares se necesita para mañana temprano Tengo una serie de ejercicios universitarios que requieren un análisis exhaustivo de circuitos lineales en Multisim con el fin de optimizar su diseño. Necesito que: • Cada ejercicio se simule y verifique en Multisim, entregando los archivos .ms14 correspondientes. • Incluyas un informe paso a paso donde expliques la teoría aplicada, los cálculos intermedios y las decisiones de diseño que llevaron a la optimización final. • Destaques cómo se valida cada resultado dentro del propio entorno de simulación (gráficas, puntos de prueba, parámetros medidos). • Añadas comentarios claros dentro del esquema para que cualquiera pu...

I’m undertaking a hands-on learning project focused on advanced, multi-layer PCB design and I need a mentor who can guide me in person within the Delhi NCR area. Here’s what I’d like from our collaboration: • Structured, face-to-face sessions that move beyond basics into high-speed layout, power-integrity considerations, and manufacturing best practices. • Help refining an existing multi-layer board concept into a production-ready design while explaining each decision, constraint, and trade-off. By the end, I should be comfortable tackling complex KiCad projects on my own. If you’re an experienced KiCad designer who enjoys teaching advanced techniques, let’s discuss. Please note I don't have yet, so you must have your equipments or ac...

Je souhaite réaliser un petit module capable de faire varier la vitesse d’un moteur à courant continu (DC) à l’aide d’un potentiomètre rotatif. Voici ce que j’attends : • Conception du schéma électronique et choix des composants (transistor, MOSFET, driver, protection, etc.) adaptés à une plage d’alimentation typique de 12 – 24 V. • Routage d’un circuit imprimé compact, prêt pour fabrication (fichiers Gerber + BOM). • Proposition d’un code microcontrôleur ou d’une solution purement analogique ; je suis ouvert aux deux du moment que la variation reste fluide et linéaire sur toute la course du potentiomètre. • Documentatio...

We are looking for an experienced Freelance PCB Designer to support our ongoing hardware development projects. The ideal candidate should have strong expertise in schematic design, PCB layout, component selection, and manufacturing-ready file generation. ### Requirements: * Experience in multi-layer PCB design * Strong knowledge of analog and digital circuit design * Ability to create schematics, PCB layouts, and Gerber files * Experience with high-speed signals, power management, and EMI/EMC considerations * Knowledge of BOM preparation and component sourcing support * Familiarity with PCB design tools such as Altium Designer, KiCad, Eagle, or OrCAD * Ability to coordinate with PCB manufacturers and assembly vendors * Understanding of DFM (Design for Manufacturing) guidelines ### Deliv...

Il progetto – un controller basato su ESP32 capace di gestire correnti fino a 30 A – è ormai quasi concluso: i prototipi girano, le PCB sono state prodotte, ma lo sviluppatore che seguiva la parte tecnica ha interrotto la collaborazione. Mi serve quindi un professionista che completi gli ultimi passaggi lato firmware e verifichi lo schema hardware, assicurandosi che tutto funzioni in modo sicuro e stabile sotto carico. Restano da chiudere tre aree chiave: • Sviluppo software: scrivere e rifinire il firmware ESP-IDF/Arduino (a seconda di ciò che adotteremo) per il controllo di potenza, protezioni termiche e comunicazione con il bus di monitoraggio. • Testing e debug: stress test a 30 A, logging degli errori, ottimizzazione dell’uso di memoria/R...

PCB Designer Needed for Small LED Headphones Music Player Board with 1GB Storage I need an experienced PCB designer to create a small manufacturable PCB for LED headphones. The main purpose of the device is to play music without a phone. Bluetooth is optional/secondary, but the product must work as a standalone music player. The PCB should be compact, ideally no bigger than a USB flash drive, around 50 mm x 20 mm or smaller if practical. Main function: - Standalone music playback without phone - 1GB onboard storage for downloaded music - Music should be transferred to the device, preferably through USB if practical - Audio output should go to headphone wires using solder pads or through-holes - No headphone jack required - LED output/control for LED headphones - Bluetooth playback from...

Necesito plasmar, con rigor técnico, el funcionamiento de un sistema de control de ignición basado únicamente en compuertas AND. El alcance incluye tres piezas básicas y una verificación final: • Diagrama de flujo del proceso de encendido y verificación de condiciones previas al despegue, entregado como imagen PNG o JPG de alta resolución. • Tabla de verdad que cubra todos los estados posibles de entrada y sus salidas correspondientes. • Enunciado claro de las condiciones de seguridad que deben cumplirse antes de autorizar el pulso de ignición (por ejemplo, presión correcta, combustible listo, señal de “go” desde cabina, etc.). • Simulación completa del circuito para demostra...

# Embedded Electronics Engineer – AS5311 Linear Encoder System Looking for an experienced Embedded Electronics / PCB Design Engineer to develop a compact linear encoder system using AS5311 magnetic encoder IC and MCU. ## Requirements * AS5311-based encoder reader PCB * Compact display PCB * Embedded firmware development * 3V battery-powered low-power design * Good EMI/noise immunity * Single multifunction button for ON / OFF / RESET * Ribbon cable connection between PCBs ## Performance * Motion range: 2 mm to 6 mm * Target resolution: 0.001 mm ## Deliverables * PCB design * Firmware development * Gerber files * BOM Please share similar projects, relevant experience, estimated timeline, and tools used.

I’m building a new electronic digital-lock and need an enthusiastic fresher who wants real-world experience in the technical electronic domain. You’ll work alongside me on everything from early-stage circuit design to basic firmware tweaks, refining the lock’s functionality, helping validate the hardware on the bench, and documenting each step so the work can be replicated later. You do not need years of background—just a solid grasp of electronics fundamentals, the curiosity to learn fast, and the confidence to ask questions. Familiarity with simple microcontrollers, C/C++ or Arduino-style tooling, and any PCB design package will make the ramp-up smoother, but I’m happy to mentor you through unfamiliar areas. Deliverables I expect as we progress: • U...

I'm looking for an experienced freelancer to design a 12-volt power system for my boat, incorporating both solar and wind power sources. The system should include: - Batteries - Inverters - Charge controllers - Lights - Bus bars - receptacles -12 volt refigeration -make sure system is properly rated with wire sizes Ideal skills and experience: - Expertise in renewable energy systems - Experience with marine electrical systems - Knowledge of solar and wind integration - Ability to design safe and efficient electrical layouts Please provide a detailed proposal with your approach and relevant experience.

I'm seeking an experienced PCB designer to create a single-layer circuit board for a radio prototype. The PCB will include sensors, power management units, and LEDs. Ideal skills and experience: - Proficiency in PCB design software - Experience with single-layer PCB layouts - Knowledge of integrating sensors and power management units - Familiarity with LED circuit design

I need a clean, ready-to-build schematic for a compact keyboard that uses an Arduino Micro as the controller. The board is for everyday, general use and will be arranged in a 3-row by 3-column matrix, with an additional key to switch between 4 modes. (10 keys in total). Hot-Swap Keyboard for the keys. Add diodes Include a 2 layer LCD Display that can be programmed on the Arduino Pro Mirco. Besides the usual character input, I want a few of those keys assigned to media functions—play, pause, volume up/down—and a couple reserved for custom macros. If you include diode placement and a clear pin map from the key matrix to the Arduino Micro’s GPIO pins, that will make firmware-writing straightforward on my side. PCB must be spaced to fit a 3d Printed enclosure Please del...

I need a compact acquisition board that reads pressure sensors and sends data by Bluetooth and Celullar (SIM). Your job covers both the hardware and the embedded layer that will live on the board. System Requirements : A custom PCB (embedded system) must be designed to interface with the sensor. The system will be powered by an external battery, for which voltage and current requirements must be carefully calculated. The PCB will receive pressure data from the sensor through front-end components directly connected to the electrode outputs. A microcontroller (MCU) will scan the matrix at high frequency by sequentially energizing one electrode (e.g., rows) and measuring responses across perpendicular electrodes (e.g., columns). This scanning process allows detection of pressure points acros...

I need a complete electronic design that takes a 48 V PoE mid-span input and delivers a stable 24 V PoE end-span output at up to 30 W while passing full gigabit Ethernet data. The primary use case is networking equipment, so signal integrity across all four twisted pairs is essential. Here is what I expect from you: • Schematic and fully routed PCB ready for manufacture, supplied as standard Gerber and drill files. • An accompanying datasheet that details electrical characteristics, pin-out, thermal limits, protection features and recommended operating conditions. • Bill of materials with realistic lead-times and two alternative parts for any component prone to shortage. • Design notes that explain key calculations (magnetics, DC-DC conversion, PoE magnetics is...

I'm seeking an experienced power electronics engineer or inverter design firm to create a high-quality, DSP-based, low-frequency, pure sine wave inverter PCB for our brand. Key Requirements: - Power Rating: 3kW - Input Voltage Range: 24V - 48V - Pure Sine Wave Output - Low Frequency Operation - DSP-based Control Ideal Skills and Experience: - Expertise in power electronics and inverter design - Experience with DSP programming and PCB design - Proven track record in similar projects (please include past work in your application) - Ability to meet quality standards and project deadlines Please ensure to provide detailed past work related to this project in your application.

I’m building a compact, 8-port smart Ethernet switch and need a seasoned PCB engineer to turn the concept into production-ready files. Every port will present as standard RJ45, and the board must accommodate the switching chip set, magnetics, power regulation and basic management interface typical of a smart switch, while keeping the footprint tight for a small desktop enclosure. Here is what I expect at hand-off: • Complete, well-labelled schematic and PCB layout (Altium, KiCad or an equally capable tool) • Gerber, drill, and pick-and-place files ready for fabrication • A clean, structured bill of materials with part numbers, tolerances and suggested alternates • Assembly drawings and any special manufacturing notes • Simple bring-up guide so my team can po...

I need a detailed diagram or schematic for my AutoCAD 101 homework. The focus is on design, and it should include: - Electrical components - Plumbing layout - Mechanical parts Ideal skills and experience: - Proficiency in AutoCAD - Strong understanding of electrical, plumbing, and mechanical layouts - Good design skills and attention to detail Looking for someone who can create a clear, professional-looking schematic. Please provide samples of similar work.

I’m preparing to roll out a full-scale industrial automation project and need a seasoned engineer who can own the control-system portion from concept to commissioning. The electrical backbone of the plant is already defined; what’s missing is the intelligent layer that will drive motors, valves, and safety interlocks smoothly and reliably on the shop floor. Here’s what I need from you: • Architecture & Schematics – translate the functional requirements into detailed electrical drawings and panel layouts that any local fabricator can build without a single back-and-forth. • Hardware Selection – specify PLCs, drives, relays and protective devices, balancing performance, availability and cost. I’m open to brands, but the parts list must be...

I’m building a 500 VA Home Inverter and need an experienced engineer / consultant to refine the entire circuit design. I already have a rough block diagram and basic requirements; what I’m missing is a rock-solid schematic that can be taken straight into PCB layout. Here’s what I’m looking for: • Validate and optimise the topology (full-bridge or push-pull—open to your recommendation) for a pure-sine output. • Size and select magnetics, switching devices and gate-drive arrangements so the design runs cool and efficiently at 500 VA. • Provide complete schematics with all component values, protection circuitry and control logic. • Run SPICE simulations (LTspice, PSpice or similar) to demonstrate THD, efficiency and thermal margins und...

Job Description: We have an existing football betting/gambling platform source code and need an experienced freelancer/team to complete, fix, test, and launch it before the 2026 World Cup. Main Tasks: Review existing source code Fix bugs and missing functions Improve website UI/UX for desktop + mobile Set up admin panel, user panel, odds/match display Wallet, deposit/withdraw, reports, P/L summary Security check and server deployment Full testing before launch Make system stable for high traffic during World Cup Required Skills: PHP / Laravel / Node.js / React / Vue / MySQL Betting/gambling website experience API integration Payment/wallet system Admin dashboard Server setup: VPS, Nginx, SSL, Cloudflare Security and anti-bug testing Important: We already have source code. We need some...

I'm looking for an experienced circuit designer to create a circuit using ESP32 and TMC5160T. The circuit should support motor control, sensor integration, and communication modules, all controlled via an app I've already designed. Key requirements include: - Motor Control: Implement TMC5160T for precise motor control. - Sensor Integration: Incorporate various sensors as per the app's requirements(Which is to execute a specific Trajectory given by the user). - Communication Module: Utilize ESP32 for robust communication. Ideal skills and experience: - Strong background in circuit design (both analog and digital) - Proven experience with ESP32 and TMC5160T - Familiarity with app-controlled systems - Knowledge in motor control ( Stepper and Brushless ones with encoders )and...

We are seeking an experienced industrial controls engineer or automation contractor to support the control system design for modular hydrogen production and fueling systems. The scope includes developing the control architecture for systems incorporating electrolyzers, purification (PSA), compression, storage, and dispensing equipment. The contractor will be responsible for preparing control philosophies, functional design specifications, I/O lists, cause-and-effect matrices, and PLC/HMI logic required to safely and efficiently operate hydrogen systems in industrial environments. Experience with process controls, gas handling systems, and hazardous-area instrumentation is strongly preferred. The role will involve working alongside our engineering team to translate process and mechanical d...

Hydraulic system I am building a device that is based on controlled resistance in A SWINGING MOTION. The device has a swinging arm, swinging back and forth, like a golf swing, a tennis shot or a baseball hit. I want to create the resistance by moving oil from one side to the other side of a double rod small cylinder, through a controlled size orifice. I tested it and it works well and very smooth. I have already done the mechanical design converting the rotational motion to a linear motion and it’s in production already. We must cater for a right-handed and a left-handed swing. There will be 2 models. The one is totally manual and the other electronically controlled by a proportional flow control valve driven by a PLC operated by a UI. The manual unit is simple for me to build usi...

I'm looking to create an innovative foot massage device focused on vibration massage. The device should also include: - Remote control - Adjustable intensity - Rechargeable battery Ideal candidates should have experience in product design, especially in massage devices, and familiarity with integrating electronic features like remote controls and rechargeable batteries. Please include relevant experience in your applications.

Title: PCB Design for Low-Cost Industrial Electricity Monitoring IoT Device We are looking for an experienced PCB design / embedded hardware engineer to design a low-cost industrial electricity consumption monitoring device. The device will be used in an industrial factory environment to monitor electrical parameters and send data to a server through IoT. Project Goal We want to develop a compact and reliable PCB for monitoring: Voltage Current Power consumption Energy consumption / kWh Power factor, if possible Basic electrical health/status data The device may use ESP32 or any suitable low-cost microcontroller, but the final solution must be practical, reliable, and cost-optimized. Main Requirement The most important requirement is low total product cost. The PCB design mu...

I need a skilled AutoCAD electrical designer to turn my solar project data into a clear, CEIG-compliant single-line diagram for an installation in India. The drawing should provide a basic overview that still captures every key element—PV string-combiner, inverter, AC/DC disconnects, protection devices, and grid interconnection point—laid out on a single sheet that is easy for inspectors to review. You will receive the site layout, equipment list, and ratings from me. Your deliverables are: • One clean AutoCAD .dwg file formatted to standard CEIG title block and layer conventions • A print-ready PDF for submission Accuracy is critical, but I’m not looking for excessive detail or multiple pages—just a concise, professional schematic that satisfies the...

Here is the professional project description in English, ready to be posted on platforms like Upwork, Fiverr, or Freelancer.com. Project Title: Hardware Design (Schematic & PCB Layout) for Ultra-Low Power BLE Motion Sensor (nRF52810) Project Description: I am looking for an experienced electronics design engineer with a background in Nordic Semiconductor SoCs to develop a compact, high-efficiency PCB for a motion-tracking sensor node. Hardware Requirements: MCU: Nordic nRF52810 (BLE 5.0 SoC). Sensor: STMicroelectronics LIS2DW12 (3-axis accelerometer, ultra-low power). Memory: Winbond W25Q512 (512Mb SPI Flash) to store 15 days of data at 6Hz. Power Source: CR2032 Coin Cell Battery (Design must be optimized for low peak current/high internal resistance). Antenna: Integrated PCB T...

I need a PCB created for a new piece of consumer electronics. The board will sit inside a medium-sized enclosure, so components can be spread out a little more than in an ultra-compact wear-able, yet space efficiency still matters. Core requirement: We have Samples of the PCB and we want its design with bom list. Also we want some addition in our current working pcb board. Details of project given in attachment. Please work in your preferred professional tool (Altium, KiCad, or Eagle are all fine) and provide: • Schematic capture • Neatly-routed PCB layout with design files • Gerber/NC drill set ready for fabrication • Bill of Materials with part numbers and footprints • Optional 3D step model if your package supports it I will review the schematic firs...

I have a proof-of-concept in mind that will let me switch household appliances on and off from a distance using LoRa and an ESP32. The focus is purely remote control—no fancy scheduling or parameter tweaking for now—so reliability, range and low-latency switching are the priorities. I already work with the Arduino IDE and PlatformIO, but I need someone who has hands-on experience pairing ESP32 boards with the right LoRa transceiver (SX1278, RFM95, or any module you know performs well). You’ll guide the hardware choices, write the firmware, and make sure the receiver node triggers a solid-state relay (or a simple LED during testing) whenever the transmitter sends an ON/OFF command. Deliverables: • Schematic or wiring diagram for both transmitter and receiver nodes ...

DALI Dimmable LED Driver / Controller Design Requirement Project Overview We are looking for an experienced electronics hardware engineer/freelancer to design a commercial-grade DALI dimmable lighting solution suitable for smart lighting and building automation applications. ________________________________________ Required System Design may include one or more of the following: • DALI dimmable LED driver • DALI controller/interface module • DALI communication circuit • PCB and schematic design • Firmware development (if MCU used) • Prototype support ________________________________________ Main Requirements DALI Features • DALI / DALI-2 compatible • Smooth flicker-free dimming • 0–100% brightness control • Individual address...

We are seeking proposals from qualified UAV professionals for the customization a DJI Agras T100 via physical and/or firmware modification. Background: Our client had facilitated a 14 CFR 89 exemption from Remote ID for the purpose of aeronautical research. Physical access to the T100 is available in Long Island, New York if you require physical access to complete the modifications. Deliverables: You are to propose and implement modifications that allow the T100 to operate without broadcasting Remote Identification (“RID”) per the facilitated regulatory exemption. The solution in your proposal can either make the RID toggliable or permanently disabled via hardware and/or firmware modification. We are interested in an additional minor modification or two, which we will likely...

I need an experienced PCB designer to replicate a multilayer consumer electronics board based on existing schematics. The board is used in a radio device and involves complex signal processing. Key Requirements: - Accurate replication of the existing PCB. - Maintain all signal processing functions. - Ability to work with obsolete designs. Ideal Skills: - Expertise in multilayer PCB design. - Strong background in signal processing circuits. - Experience with outdated technology and schematics. Please provide samples of similar work and estimated timelines.

I’m developing a compact consumer-electronics board built around an ARM Cortex-M device and now need the full PCB layout ready for manufacture. The schematic is largely settled; what I need from you is a clean, production-grade board design that meets EMC best practices and leaves enough headroom for future revisions. Key functional blocks that must be routed: • Wi-Fi module • Bluetooth module • Power-management unit with battery-charging capability • High-speed USB interface • Space for a small “other” expansion header I’ll define during the layout review You are free to work in Altium Designer, KiCad, OrCAD, or another professional tool as long as the output can be supplied in standard Gerber, drill, and assembly files. Delivera...

We have a requirement for a Beckhoff Automation PLC programmer to support our ongoing project. The scope of work includes: • Accessing the existing PLC system • Downloading the current program from the PLC • Verifying and backing up the existing logic • Providing necessary support for further modifications Kindly confirm the availability of a suitable programmer at the earliest. If you have recent TwinCAT 3 manufacturing projects and can start within the next two weeks, let’s discuss the details.

I'm seeking a skilled hardware designer to create a custom carrier board for the Jetson Orin Nano, tailored for IoT applications. The carrier board must include: Key Requirements: - Storage (NVMe) - Wireless (WiFi/BT) - USB, HDMI, debug - Isolated CAN - PoE - Audio out - DC input Ideal Skills and Experience: - Proficiency in hardware design for AI/ML and IoT devices. - Experience with NVIDIA Jetson products, particularly the Jetson Nano. - Strong knowledge of integrating multiple connectivity options. Please provide relevant experience and examples of similar projects completed.

I am looking for someone who specializes in repairing automotive modules such as ABS, Power steering, ECU modules. I am looking for someone who can be my go-to person when it comes to technical assistance and support as I am a beginner. Would like someone to recreate the board in software to become easily readable and easy to trace faults. Need someone who has experience in bench testing these modules so that when my customers receive them they will be working.

I have fifteen disassembled original first generation "cigalike" e-cigarettes waiting for fresh new cells. The spent batteries still have to come out; I’ll supply the brand-new replacements along with step-by-step instructions I’ve written from my own repair notes. Once each cell is tinned and soldered, the board and wiring need to slide back into the original metal tubes that I will ship with the lot. After reassembly I need every unit verified for both firing (making sure the LED end eliminates, and it produces vapor,) and charging. A simple functional puff/hit-to-vape check is the first pass, then confirmation that each battery takes and holds a charge using a charging USB that I will provide. If anything reads off, I’d like a quick note so we can decide whe...

I need an experienced embedded systems and PCB design engineer to design a compact NFC Reader module based on the ESP32 microcontroller and NFC transceiver. The board should read NFC tags and toggle a relay output to control external devices such as door locks, motors, or other automation equipment. Key Functional Requirements: - ESP32 as the main microcontroller (Wi-Fi & Bluetooth capable) - NFC transceiver - Relay output toggled by ESP32 GPIO when a valid NFC tag is detected - Wide input voltage range: 10–24V DC - Multi-rail power supply: - LED indicator header pins for visual feedback Firmware Requirements: - Read UID from NFC tags - Toggle relay on valid tag detection - Sleep mode support for low power consumption Deliverables: - Complete schematic design - PCB layou...

PROJECT DESCRIPTION: I need a KiCad PCB designer to create three RFID antenna boards from scratch and deliver verified, JLCPCB-ready Gerber files. No existing files will be provided. The designer must create everything in KiCad based on the specifications below. These are rectangular spiral RFID reader antennas operating at 13.56 MHz (ISO 15693 protocol), used in a poker chip tracking system. Each board has a copper spiral on the front layer (), a single return trace on the back layer (), one SMA edge-launch connector, and one SMD tuning capacitor. BOARD 1 — SEAT ANTENNA ParameterValueBoard size210 × 210 mmLayers2 ( + )PCB thickness1.6mm FR4Spiral turns5Track width2.5mmGap between tracks0.5mmOutermost turn200 × 200mm center to centerTuning capacitor14pF, SMD 0805Connecto...

I need a circuit board to control the servos for the arm on a Blade Runner Voight-Kampff machine, based on the 1982 movie. Requirements: - Control 3 servo movements: arm movement, up and down motion, rotational motion - Precise position control for all movements - Custom design required, no existing schematics Ideal Skills and Experience: - Experience in designing circuit boards - Proficiency in servo control and robotics - Ability to create custom designs based on project requirements - Familiarity with similar mechanical systems is a plus

I have a pumping system that needs an intelligent, multi-channel controller capable of switching a 220 V load while staying online almost anywhere. The hardware shortlist is already in place, but I want an experienced engineer to turn that list into a fully working unit that can be triggered three ways: Wi-Fi (802.11n), 4 G LTE, and—when nothing else is available—through a Starlink connection routed from the controller’s Ethernet port. Here is what I need from you: • Electronic design: finish the schematic around my existing parts list, size the power supply for 220 V, choose the right relays/solid-state switches, and ensure the radio modules do not introduce interference. • Firmware: write clean, well-documented code that listens simultaneously for Wi-Fi and...