Circuit designtrabajos

...for a modern-style single-family house. The goal is to receive a fully detailed set of drawings and documents that allow direct construction on site, without the need for later corrections or clarifications. Scope of Work Architecture Complete architectural drawings ready for construction: Floor plans Sections Elevations Construction details Electrical Design Single-line and multi-line diagrams Electrical routing Cable sizing Circuit breakers and protection devices Detailed quantity take-offs (BOQ) Plumbing (Traditional System) Cold and hot water systems Drainage system Complete quantity take-offs Deliverables Full set of print-ready PDF drawings Fully editable native files: AutoCAD (DWG) or Revit (RVT) Proper use of layers, families, and clear naming conventions ...

... To design, verify, and develop a functional prototype of a low-power, autonomous LoRaWAN sensor that integrates temperature, humidity, and magnetic detection measurements, powered by an ER14505 battery, ensuring the correct operation of the hardware for integration with the firmware provided by the client. 2. Specific Objectives To review and validate the electrical schematic developed in KiCad, guaranteeing its correct operation, electrical integrity, and compatibility with the firmware. To design and optimize the printed circuit board (PCB) meeting criteria for low power consumption, compactness, and manufacturability. To prepare a fully assembled functional prototype for field testing and electrical validation. To deliver all technical documentation associa...

1) Product Summary F1-style running tracker (watch + mobile + web) that shows real-time telemetry: position on circuit, gap to leader and chaser, performance colors (green/red/purple), laps/sectors, shortcut detection, and “create route” mode (record circuit by running it). Monetization: monthly subscription and event access codes. 2) Scope by Platform Common watch logic Sensors/GPS: ~1 Hz sampling; speed filter (EWMA); route smoothing (Kalman/Savitzky-Golay). Route projection: nearest-point on polyline + curvilinear distance s. F1 telemetry: Gaps: gap_lead, gap_chase (heavy calc done in mobile/backend; watch displays summary). Colors: green = personal best, purple = event best, red = slower. Sectors/laps: defined by s cuts. Shortcut detection: distance &...

Tengo una PWA en Flutter con backend Firebase (Auth, Firestore, Storage, Functions v2 – Node 20). Ya tengo una especificación técnica detallada (adjunta: Implementación Ley Antifraude ). Busco desarrollador/a con experiencia real e...similares (firmas, QR, WORM, Hacienda/AEAT/TicketBAI/VeriFactu). • Enfoque de pruebas y seguridad (rules, Secret Manager, idempotencia). • Estimación y calendario por hitos. • Riesgos que ves y cómo mitigarlos. Riesgos y supuestos (que quiero que controles) • Idempotencia en fnEmitirFactura (reintentos/latencias proveedor). • Concurrencia en contadores correlativos. • Gestión de errores y circuit breaker proveedor. • Tamaños XML en Firestore (límite ...

¡Hola! En Ariza Racing Circuit, somos más que un circuito de karting. Somos un espacio donde la pasión por la velocidad, la emoción y la adrenalina se combinan con experiencias inolvidables para nuestros clientes. Nuestro objetivo es llevar nuestra presencia digital al siguiente nivel y estamos buscando a un Estratega de Marketing, Ventas y Gestión Digital que quiera crecer con nosotros y formar parte de nuestro equipo a largo plazo. Este puesto NO es solo para alguien que publique en redes sociales, sino para una persona que diseñe estrategias digitales y comerciales para mejorar ventas, optimizar procesos y aumentar la conversión. Buscamos a alguien apasionado, comprometido y creativo, que pueda tomar la iniciativa y trabajar de ma...

Se pretende realizar un ...are considered to be highly loyal and receive additional benefits. Determine the equivalent Boolean function of a truth table. To show the results, it is necessary to design a circuit that shows the information of the total percentage obtained from all possible combinations. Use the truth table and determine the equivalent Boolean function. That is, if they are a client of the product, it takes the value 1, if they are not, the value 0 is assigned. According to this result, add the percentages: ● Clothing 15%. ● Furniture 20%. ● Afore 25% ● Bank 25% ● Digital 15%. To show the results, it is necessary to design a circuit that shows the information of the total percentage obtained from all possible combinations. **The truth table i...

...forces me to pay for several Internet and to have a computer, even if it is an Orange Pi Zero 3 that costs less than 30 euros for each car. Being able to use Janus Gateway to manage all the video and audio streaming of all the Raspberrys in all the small cars would be a better, more elegant, cheaper (in the long run) and better performing solution. The Raspberrys are connected to an intermediate circuit to control motors and servomotors through the GPIO port. Each one controls 4 motors and 2 servomotors. I am sold some kits to assemble the small cars, although you have to buy the Raspberry, the USB microphone and the batteries separately. The manufacturer of the Kits provides me with some classes programmed in Python to manage motors and servomotors. I have created a Python ap...

...forces me to pay for several Internet and to have a computer, even if it is an Orange Pi Zero 3 that costs less than 30 euros for each car. Being able to use Janus Gateway to manage all the video and audio streaming of all the Raspberrys in all the small cars would be a better, more elegant, cheaper (in the long run) and better performing solution. The Raspberrys are connected to an intermediate circuit to control motors and servomotors through the GPIO port. Each one controls 4 motors and 2 servomotors. I am sold some kits to assemble the small cars, although you have to buy the Raspberry, the USB microphone and the batteries separately. The manufacturer of the Kits provides me with some classes programmed in Python to manage motors and servomotors. I have created a Python ap...

As part of this project, I need assistance in performing the following tasks: - Writing VHDL code - Designing FPGA circuits, specifically for Xilinx FPGA The goal is to achieve PWM via VHDL and PS to PL UART communication in the FPGA circuit design. It would be advantageous if you have a strong background in VHDL, FPGA circuit design and specific experience with Xilinx FPGA. Additionally, understanding of PWM and UART communication would be beneficial. Estoy buscando un ingeniero FPGAs y firmware para q haga un pequeño proyecto para hacerlo correr en una tarjeta de desarrollo Pynq-Z2 con el Sw Vivado. Se trata de implementar un PWM de valor de entrada variable, esto en VHDL para cargarlo en la PL de la Zynq. Se trataría de lo siguiente; a tr...

Mi proyecto está basado en la implementación de un sistema web basado en microservicios , para mejorar la gestión de recursos IP en une empresa de Telecomunicaciones. Tengo pensado usar un Registry (Eureka Server) , Load Balancer ( Ribbon ) , Gateway ( API GATEWAY), Circuit Braker ( Hystrix), Spring Boot con su Api Rest, Spring Config. Busco un freelancer para implementar este proyecto. Saludos Julio Cabrera

Un PCB (Circuito Impreso, por sus siglas en inglés Printed Circuit Board) para control de modulación de ancho de pulsos (PWM, por sus siglas en inglés Pulse Width Modulation) es una placa especialmente diseñada y fabricada para incorporar y soportar los componentes electrónicos necesarios para implementar la técnica de PWM. Esta técnica es ampliamente utilizada para controlar la cantidad de energía que se entrega a un dispositivo eléctrico alterando el ancho de los pulsos en una señal digital.

...solar panel to stable 5 volts, this supplies the wifi modem and other route goes to a LDO-3.3V. I don't want to use the module () anymore and embed it to the PCB as a fixed-5V circuit. So i Ask for: 1. Add a transistor circuit to supply 5V to the modem (from the lm2596 regulator) when the ESP32's GPIO commands. Add it to the current version of the schematic and PCB board layout. 2. Do the fixed-5V circuit, according to LM2596 datasheet, in the current schematic and PCB layout. Find the main components (1. transistor; 2. coil, diode, chip regulator) in LCSSC Electronics () so the footprints of the PCB match the solder pins of the packages. Add it to the current version of the

Realizar las tareas en la imagen adjunta

aplicación móvil para repartidores y colaboradores de entregas a domicilio. Para ingresar, optimizar y calcular la mejor ruta con las distintas paradas a realizar para entrega y recogida de mercancía o delivery. Similares a apps de Google Play como: Circuit y mapscope

Hola Muhammad B., observé tu perfil y me gustaría ofrecerte mi tarea. Es urgente y necesito terminarlo en menos de dos horas., 12 media noche de UTC -5 Es hacer un circuito en Multisim que representa un sensor de temperatura con tres fuentes de voltaje , varias resistencias, un ua741, lm35

Create a logic diagram and a circuit using graffcet diagrams for a system that automatizes a bottling machine that realizes the following actions; 1) taking the bottle 2) washing 3)drying 4) sterilizing the bottle 5) filling up with liquids 6) closing the bottle 7) tagging the bottle 8) putting bottles on the shelf I attach a similar example Elabora el diagrama físico, lógico y circuito para un sistema que automatice una maquina embotelladora que realiza las siguientes acciones: tomar la botella, lavado, secado, esterilización del interior, llenado con líquidos, enroscado de tapa y puesta de etiqueta de la marca alrededor de la botella, y finalmente depositar la botella llena en una tarima. Cada quien puede elegir lo mecanismos (carrucel, banda de ...

Hola Felipe V., vi en un mensaje que publicaste que sabes de asterisk y grandstream. Tengo un problema y no encuentro la forma de solucionarlo. Te dejo un link con mi problema, si consideras que puedes solucionarlo me gustaria que me contactes y me digas cuanto me cobrarias. Gracias

Tenemos un backend montado con Java 8 Spring boot, nginx encargado del balanceo de carga, circuit braker, proxy inverso y api gateway. tenemos que toda la logica de los eventos del broker van en un microservicio aparte pero estamos abiertos a cambio de lenguaje porque no es mucho el codigo hecho en ese microservicio (TODO MENOS PHP) y si es node, que sea con frameworks empresariales como nestjs (buscamos soluciones limpias y escalables. Necesitamos una solución arquitectonica para el manejo del protocolo mqtt, algo limpio, escalable y de larga mantenibilidad y que aporte buen rendimiento. Somos exigentes en temas de diseño de software, por eso estamos buscando apoyo profesional y con experiencia diseñando arquitecturas para este tipo de protocolo.

I have two circuits that I need to check. Both circuits are designed in easyEDA Circuit 1: Check schematic if it is well designed Modify the pcb if necessary (although I don't think it's necessary) Generate bom file according to pcbway specifications The design contains esp32, gprs a6 ai-thinker, sd card, 4 relays, 1 multiplexer, and other small components, it is not a complicated design Circuit 2: Check schematic Generate PCB Generate BOM file compatible with pcbway specifications Design contains esp32, sd card, 2 wigand reader, 2 relay and along with other small components such as resistors and capacitors, it is not a complicated circuit -------------------------------------------------------------------------------------------------...

The extension of the odoo modules is foreseen: openeducat_core, openeducat_admission, openeducat_fees to adapt its functionality to the management circuit of an educational institute, allowing to improve the handling of inscriptions, collections and access of students to the institute, making the connection to a base external data sqlserver. Detalles ES: Destalles EN:

Aplicación para iOS de fitness con destino interno a las instalaciones de...instalaciones de un polideportivo. Propósito: estructurar las clases del gimnasio. Los destinatarios serán los usuarios y los entrenadores.  Las funcionalidades comprenden: selección de actividades, ajuste de tiempo del ejercicio y descanso, reproducción de las actividades gravadas en video, conexión a tv. Pueden tomarse como ejemplos de la store: Son necesarias referencias de aplicaciones ya creadas, un presupuesto económico y de plazos estimado para esta aplicación; se ampliará la información del proyecto sólo a los que cumplan estas condiciones.

I am looking for an experienced power electronics engineer or engineering team to design a residential-scale hybrid solar inverter for commercial production. The project involves developing a single-phase, 230 V AC, 50 Hz pure sine-wave hybrid inverter that integrates rooftop solar panels, a lithium battery bank and the utility grid. The design should prioritise high efficiency, reliability, safety and ease of manufacturing. I prefer an engineer with previous experience designing working solar inverters, grid-connected converters, MPPT controllers and bidirectional battery systems. An existing, validated reference design that can be licensed or transferred is preferred. 1. Target Specifications Rated power: 1–5 kW continuous AC output: 230 V RMS, single phas...

Every month I capture fresh karting and circuit-racing footage and need it shaped into fast-paced, energetic highlight videos that really convey the speed and adrenaline of the track. I will provide the raw clips; you turn them into polished pieces featuring: • On-screen text that calls out lap times, driver names, or key moments • Dynamic background music that matches the tempo of the action • Tasteful sound effects to punch up engine roars, tyre squeals, and over-takes The finished videos must keep viewers engaged from start to finish, so quick cuts, rhythmic pacing, and creative transitions are essential. Premiere Pro, Final Cut, DaVinci Resolve or similar pro-level tools are all fine—use whatever lets you deliver crisp colour-graded footage, tight au...

We need an experienced Electrical Engineer / EPLAN Specialist to design the electrical schematics for an industrial filling machine with vibratory motors. The project consists of two separate panels: a Main Control Panel and a Remote HMI Enclosure. Scope of Work: • Complete electrical schematic design in EPLAN Electric P8 for both panels. • Power circuit (400V AC) in the Main Panel for 2x vibratory motors and a braking device. • Control circuit (24V DC) for the PLC, safety relay, and pneumatic valves. • Hardware-based safety circuit (E-stop loop via Pilz safety relay). • Interconnections (terminals/cables) between the Main Panel and the HMI Enclosure. • 2D cabinet layout for both enclosures & Bill of Materials (BOM) expor...

I have an ESP32-based circuit fully wired and documented in a handful of clear .png images. What I need now is a clean KiCad project that turns those pictures into a proper electronic schematic and a ready-to-fabricate PCB layout my daughter can actually build and use for her college assignment. All the parts, net names, and pin connections are already settled in the images, so there is no component selection or electrical guesswork—just accurate translation into KiCad. Because the board will be assembled and deployed, please route it as a real-world, functional design rather than a classroom illustration. Standard IPC constraints aren’t mandatory; feel free to apply your usual good-practice defaults unless you spot something that obviously improves manufactura...

Job title Design & build a premium interactive Board presentation / microsite for an AI strategy session I am looking for someone to design and build a high-end interactive presentation experience for a Board Strategy Day. This is not a PowerPoint, Keynote, Canva or traditional slide deck. I want something that feels much more like navigating an interactive website or digital control centre. The experience will be presented live on a large Boardroom screen from a laptop. What I want it to feel like Think: * Apple-style product launch * premium financial-services design * very modern / future technology feel * minimalist rather than flashy * smooth zooming and movement between different parts of the organisation * highly visual * very little text * interacti...

...company seeking an experienced Electrical Designer / Control Panel Designer to create professional electrical drawings for a Walk-In Cooler & Walk-In Freezer Combo system controlled by PLC. The project includes complete electrical design and drawings for the PLC Control Panel, Walk-In Cooler, and Walk-In Freezer. The electrical design should include: Evaporator units and evaporator fan controls Electric defrost heaters Drain heaters Refrigeration solenoid valves Temperature sensors Termination Sensor Door switches and safety controls Contactors and control relays Circuit breakers and fuses Control power supplies PLC digital inputs and outputs PLC analog inputs and outputs Communication/network connections Cooler and freezer field wiring Compressor/condensin...

Custom 3-PIR GSM Anti-Theft Security Alarm with SMS, Call & Relay PROJECT DESCRIPTION: I am looking for an experienced embedded hardware and firmware developer to design and develop a custom human motion / anti-theft security alarm using an ATmega328P (Arduino-compatible) microcontroller. The device will use 3 external PIR motion sensors connected to the main PCB through long cables. The main feature is a selectable PIR detection threshold of 1, 2, or 3 sensors. This will help reduce false alarms. MAIN PIR LOGIC: The device has: * PIR 1 * PIR 2 * PIR 3 The user can select the required number of PIR sensors that must detect movement. Threshold 1: Any one PIR becomes active = intrusion confirmed. Threshold 2: Any two PIRs become active = intrusion confirmed. PIR1+PIR2, PI...

...you to layer in data outlets, general power points, and CCTV camera locations. Some of these positions are already sketched, others will need your practical advice so the electrician receives a layout that is both code-compliant and sensible to install. Expected deliverable: a coordinated set of PDF drawings (and DWG if you work in AutoCAD/Revit) clearly showing lighting symbols, switching, circuit numbers, data outlets, GPOs, and CCTV points, ready to hand straight to the contractor. If you spot clashes or have optimisation ideas, note them on a short legend or revision cloud so we can sign off quickly. Tools you are comfortable with—AutoCAD, Revit, Dialux, or similar—are welcome as long as the final output is clear. Let me know your turnaround time and any que...

We are looking for an engineer team which has a good PCB design skill with motor driver knowledge and experience with good programming skill. This project is to upgrade our current PCB(Old prototype: having some issues) to update version. We will make one prototype PCB to test. This machine has the following system: 1x main CPU (GD32F450IGH6) 1x AC motor inverter (RS485) Command input 1x sensor Up to 5x stepping motor ( synchronized, need fast movement)　 Up to 5x sensor 1 x DC motor 1 x sensor 1 x SBC( RPI) need to connect to main CPU ( need to have fast communication ) 3 x stepping motor 3 x sensors 1 x DC brushless (small ) 2 x stepping motor 3 x COM to other device Ethernet We will send the current prototype PCB info induvidually when we decide to proceed. Current pro...

Medieval torch prop (~30–45 cm, handheld) for outdoor play. Working FDM-printable CAD draft exists in Fusion 360, but all dimensions are adjustable around your component choices. Concept already validated with basic parts; we now want production-grade design. Electronics scope: - Compact circuit: 1+ LEDs/small bulb with realistic flame flicker (not static blink) - On/off switch, user-replaceable AA/AAA battery compartment (no soldered cells) - Minimum 14–20 h runtime per battery set, justified with power calculations - Full off-the-shelf parts selection (part numbers + purchase links) CAD scope: - Rework enclosure in CAD (we used Fusion 360, but could be another CAD software) around your components (battery door, switch mount, wire routing)...

...Defense counsel has already moved to dismiss under Rule 12(b)(6), arguing that the pleading “fails to state a claim.” I need a concise, well-researched memorandum in opposition that shows the complaint satisfies Twombly/Iqbal plausibility standards and aligns with Eleventh Circuit precedent. Key points to address • Explain why the factual allegations, taken as true, plausibly support each element of a Title VII disparate-treatment claim. • Distinguish or counter any cases the defense cites and supply stronger Eleventh Circuit or Supreme Court authority in our favor. • Reinforce jurisdiction and venue briefly, even though the challenge is limited to Rule 12(b)(6). • Observe the Northern District of Alabama’s formatting and pag...

...and the exact plots I want to see for each one. Your task is to recreate every item in that file inside MATLAB / Simulink, run the simulations, and deliver both the finished circuit models and the corresponding graphs. I will share the document right after we start so you can mirror its structure component-by-component. For every entry please: • Build the circuit in Simulink (using standard Simscape or equivalent blocks). • Configure parameters exactly as shown in the document. • Generate the plots called for—same axes, units, and labeling. When you hand over the work I expect: 1. The .slx files for each circuit, cleanly organised. 2. Any supporting .m scripts or functions used to drive the simulations. 3. Exported figures (PNG or ...

...*Intelligent *Advanced *High-performance *Technology-forward *Credible for financial services The brand should sit between AI/intelligence and financial technology. We do not want it to lean too heavily into one or the other. It should feel futuristic, but not sci-fi. It still needs to work for banks, credit unions, financial institutions, executives, and enterprise buyers. Overall look and feel The design should be: *Bold and confident *Geometric and precise *Minimal *Architectural *Sleek and modern *Easy to recognize *Strong enough to work at small sizes The logo should include a standalone symbol/icon plus the FiSphere wordmark. The symbol should reference the idea of a sphere, connected environment, or ecosystem, but in an abstract way. We do not want a literal globe. ...

I am looking for an experienced Electronic Engineering Freelancer to design a custom, compact, all-in-one PCB for a premium adult collectible display base. The board will be manufactured using standard Turnkey PCBA (automated assembly), so the design must utilize readily available components from standard libraries (such as JLCPCB / LCSC component libraries). Core System Requirements: 1. Microcontroller Core: Integrated ATmega328P-AU (TQFP-32 surface mount package) with a 16MHz crystal oscillator and supporting circuitry. Programming/power interface must be a surface-mount USB Type-C port linked via a CH340G/C serial converter chip. 2. Power Architecture: Direct 5V DC power delivery completely driven over the Type-C USB interface (bypassing battery circuitry entirely). Must i...

I need a simple, single-board PCB layout created from an already completed and fully tested Fritzing (.fzz) project. The circuit logic, components, and pin mappings are 100% verified on a physical breadboard. This is a very quick micro-task for an experienced electronics engineer. The design is an ultra-low-power Smart Irrigation Sensing Node using an all-3.3V power architecture. Key Specifications & Pin Mapping: • Microcontroller: Arduino Pro Mini (3.3V variant) • Radio Module: LoRa Ra-01 (Antenna area must be kept completely clear of copper traces and ground planes). Pin connections required: NSS to D10, RST to D9, DIO0 to D2, plus standard hardware SPI lines (D11, D12, D13). • Power Input: Direct 3.2V LiFePO4 Battery connection to the Arduino VCC rail (...

We are looking for an experienced KiCad PCB layout engineer to design and route a compact, battery-efficient 2-layer ESP32-WROOM-32E board for our smart IoT device. We have already completed the circuit engineering, component selection, net map, and mechanical envelope. You will be provided with: 1. A comprehensive 19-page PDF Engineering Specification with exact pinouts, power topologies, and routing rules. 2. A complete Excel BOM with exact footprint definitions, component MPNs, and Indian distributor references. 3. Legacy KiCad board files containing the exact board outline (52.98 mm × 34.00 mm with stepped corner) and coordinates for 6 mechanically locked components. SCOPE OF WORK: 1. Schematic Capture / Verification in KiCad 7 or 8: - Implement clean schematic...

...Development – LV/MV/HV Circuit Breakers (Switchgears) Online Training Course Project Overview I am developing an online technical training course titled “LV/MV/HV Circuit Breakers (Switchgears)”, designed for electrical engineers, technicians, maintenance professionals, and other personnel involved in electrical power systems. We are looking for an experienced freelance presentation designer / instructional designer to develop a professional, technically accurate, and visually engaging presentation based on the training content provided by Adva Therm. The course is structured as a 3-day online training program, 5 hours per day, covering the principles, construction, operation, selection, testing, maintenance, troubleshooting, and safety aspects of LV,...

Hi, I need a schematic and PCB design for my college project, an Automatic Soap Dispenser with Low Soap Level Detection. I am using: - Arduino Nano V3.0 (ATmega328P) - TTP223 capacitive touch sensor - XKC-Y25-V non-contact liquid-level sensor - Kamoer KPHM100-HB peristaltic pump — 12 V, 0.5 A - LED for low-soap indication - Pump driver circuit Operation: When the TTP223 is touched, the Arduino Nano should activate the 12 V peristaltic pump for a programmed amount of time and then stop it. The XKC-Y25-V will be mounted outside the soap container at the low-level point. When the soap becomes low, the Arduino should turn on an LED. The Arduino must not drive the pump directly. Please include a suitable transistor/MOSFET pump-driver circuit and flyback protection....

... weaving in my personal interests in informática y software, reparación de computadoras, creación de aplicaciones and the fundamentals of AI. My main objective right now is reparación de computadoras, with an emphasis on hardware-level troubleshooting, so I’d value someone who can tie core AP-physics and computer-science principles directly to real-world repair scenarios. If you can explain circuit diagnostics one day and free-response strategies the next, we’ll be a perfect match. The engagement will be fully online. I’d like regular, structured sessions that blend concept walkthroughs, problem-solving practice and exam-style assessments. Clear explanations, patient guidance and targeted homework between meetings are crucial so I ...

...build a single functional prototype of a wearable device called Mitra – Wearable Guardian for Dementia Care. This is a student innovation/competition prototype, not a commercial medical device. The priority is to create a reliable, compact and presentable working prototype at a reasonable cost. I am specifically looking for someone experienced with ESP32, GSM/SMS, sensors, audio playback, PCB design and small wearable electronics. --- Required Features 1. Emergency SOS - Physical, easily accessible SOS button. - When pressed, Mitra should send an actual SMS to a pre-configured caregiver phone number. - SMS should contain: - Emergency alert - Brief message - Pre-configured demonstration location - Google Maps link - Live GPS is NOT required for this prototype. ...

I have designed in Inventor a plastic case for a circuit board. However, I need a professional designer who understands injection moulding draft angles and how to perfect the model so that it is ready for production. All critical dimensions are already defined so you can work directly from my exact measurements and board outline. The finished housing must fully enclose the PCB while integrating the following functional details: ventilation slots around the component hot-spots, clean mounting holes that line up with my chassis and connector port entry points. I can share my IPT file and photos of what I have made so far. Deliverables I need back: • Inventor part/assembly files (.ipt/.iam) • Manufacturing-ready STL or STEP export • A 2D drawing showing overall size,...

...ESP32-S3 Low-Power Audio Recorder PCB (Dual Variant Prototype Layout) Job Description I am looking for an experienced electronics design engineer to create a custom, compact PCB layout based on the ESP32-S3 microcontroller. The target system is a battery-powered, offline audio data-logger intended to record sound locally to a microSD card during specific daily schedules and securely upload files to a remote server over Wi-Fi during a specific time window. To optimize power consumption and sound performance, I require TWO (2) separate PCB layout variations based on the same core schematic template. Scope of Work & Deliverables The freelancer will provide full design files (EasyEDA Pro/KiCad) alongside two separate production packages completely optimized for automate...

...======================================== ### Project Overview: We are seeking a Senior Hardware / Embedded Electronics Engineer to perform an end-to-end design audit, simulation, schematic completion, 4-layer PCB layout, and thermal/reliability validation for an industrial-grade ESP32 controller board. Schematic is currently ~85% complete in KiCad. --- ### Appendix A: Scope of Work and Deliverables #### Milestone 1: Schematic Audit, Peripheral Integration & Electrical Simulation ##### A. Scope of Work (Milestone 1) 1. **Circuit Simulation & Power Integrity (PI/PDN):** - Full audit of current KiCad schematic; fix industrial design flaws. - Simulate and validate critical sub-circuits, transient behavior, and PDN stability in Siemens HyperLynx / LTsp...

I have designed in Inventor a plastic case for a circuit board. However, I need a professional designer who understands injection moulding draft angles and how to perfect the model so that it is ready for production. All critical dimensions are already defined so you can work directly from my exact measurements and board outline. The finished housing must fully enclose the PCB while integrating the following functional details: ventilation slots around the component hot-spots, clean mounting holes that line up with my chassis and connector port entry points. I can share my IPT file and photos of what I have made so far. Deliverables I need back: • Inventor part/assembly files (.ipt/.iam) • Manufacturing-ready STL or STEP export • A 2D drawing showing overall size,...

I'm looking for an experienced PCB designer to create a board for a weather station. The station will display barometric pressure, temperature, and humidity using digital se...experienced PCB designer to create a board for a weather station. The station will display barometric pressure, temperature, and humidity using digital sensors. Requirements: - Use of I2C digital sensors - Integration of sensors for pressure, temperature, and humidity - Experience with PCB design software - Understanding of sensor data interpretation and circuit design - Ability to provide a schematic and Gerber files Ideal Skills and Experience: - Proficiency in I2C communication - Previous PCB design projects - Knowledge of environmental sensors Please provide examples of similar...

I’m looking for an electronics / embedded hardware engineer to help turn an existing PI/TDEM hardware design into a working, bench-tested prototype. The project is already substantially developed. I already have the engineering architecture, circuit concepts, component work, connection details, timing approach, and implementation planning. This is not a design-from-scratch project. I mainly need someone who can: - review the existing engineering package only as needed for implementation; - complete or correct schematic/PCB work where necessary; - prepare manufacturing files and BOM; - work with STM32 firmware and ADC acquisition; - handle pulsed MOSFET / inductive coil hardware; - assemble and bring up the prototype; - perform oscilloscope and LCR measurements; -...

# Custom Industrial PLC Hardware & Firmware Development We are looking for an experienced **Embedded Systems / Industrial Electronics Engineer** to design and develop a custom industrial PLC/controller suitable for real industrial environments. The objective is to develop a reliable, professional, manufacturable controller based on a custom PCB, not a hobby-level Arduino or development-board solution. The engineer should have strong experience in industrial electronics, embedded firmware, PCB design, EMC/ESD protection, industrial communications, and microcontroller-based control systems. ## Project Objective Develop a compact industrial PLC/controller capable of handling digital and analog I/O, industrial communications, machine-control logic, and optional IoT conne...

We are seeking an experienced multidisciplinary engineering team to develop a complete engineering design, BIM coordination and construction documentation package for a large-scale commercial building project. This is a multidisciplinary engineering project covering Mechanical, Electrical, Plumbing, HVAC, Fire Protection, Life Safety, BIM and detailed CAD documentation. The selected engineering team will be responsible for developing coordinated engineering systems from design development through construction-ready documentation. The scope may include: MECHANICAL & HVAC SYSTEMS - AHU and FAHU systems - FCU systems - Chilled water systems - VRF/VRV systems - DX systems - Condensing units - Chillers - Cooling towers - Pumps - Heat exchangers - Air handling equipment - Su...