Ingeniería eléctrica Jobs

Desarrollo de prototipo de convertidor de frecuencia para probar un asiento aeronáutico motorizado Buscamos un profesional con experiencia en electrónica de potencia, variadores de frecuencia y transformadores para diseñar, montar y verificar un prototipo que permita alimentar un asiento aeronáutico motorizado desde la red eléctrica convencional. Especificaciones requeridas: Entrada: 220–230 V CA monofásica, 50 Hz. Salida: 115 V fase-neutro / 200 V entre fases, trifásica, 400 Hz. Capacidad mínima: 1,5 A por fase. Salida con tres fases, neutro y tierra de protección. Alimentación adecuada para los motores, frenos electromagnéticos y circuitos de control del asiento, incluyendo los picos de arranque. Q...

Busco un especialista en Prevención de Riesgos y Gestión Ambiental que me ayude a asegurar la seguridad y el cumplimiento normativo en un proyecto de instalación eléctrica y automatización de procesos. Necesito: • Perfil 1: Ser profesional en ingeniería, técnico en SST o de carreras afines, con cursos y/o especialización en SST (con formación verificable y formal), además de evidenciar una experiencia laboral mínima de 2 años en cargos de SST en campo y con conocimientos en Gestión Ambiental, en empresas industriales, de hidrocarburos, minería, electricidad, manufactura, construcción u otros de similares características de alto riesgo. • Perfil 2: Contar con especializ...

I'm looking for an autonomous mobile robot design specifically for delivering medicines within a dynamic hospital environment. The primary goals of this robot are to ensure safety during transport and to allow for quick access to medicines via open compartments. Key Requirements: - Lidar-based navigation system - Safety of transport as the primary objective - Design should include open compartments for quick access to medicines Ideal Skills and Experience: - Expertise in robotics design, particularly for autonomous mobile robots - Strong knowledge of Lidar navigation systems - Experience in designing for safety in dynamic environments, particularly in healthcare settings - Ability to create user-friendly, efficient access points for delivery systems If you have a background in robo...

AI SecureWear is an innovative smart-wearable project designed for both men and women, combining comfortable clothing with AI-based security technology. The underwear includes a fingerprint authentication system, anti-tamper sensors, and a removable smart module. The system can detect unauthorized tampering or forced opening and respond with an alarm, vibration, and instant mobile notification instead of using an electric shock. The removable electronic module allows the underwear to be safely washed.

I need an intelligent power extension designed to enhance safety and monitoring. The extension should be compatible with standard wall plugs. Key Requirements: - Temperature Sensing: A separate module to sense the temperature. - Power Control: Automatically cut power supply if temperature exceeds a certain threshold. - Status Indicator: A buzzer with light indication to show contactor status (red for off, green for on). Ideal Skills and Experience: - Experience in designing smart electrical devices. - Knowledge of temperature sensors and power control systems. - Familiarity with integrating buzzers and light indicators. - Background in working with standard wall plug systems. Please provide samples of similar work done.

I need a qualified auto-electrician to remove the factory stereo from my Toyota Prado and fit the new aftermarket head unit I have already purchased. The car is ready in my driveway, power and lighting are available, and I would like the job completed in a single visit if possible. Key points you should know: • Vehicle: Toyota Prado (car) • Parts on hand: brand-new head unit, fascia kit, and basic plug-and-play harness • Expectations: clean wiring, full functionality of radio, Bluetooth, and steering-wheel controls once the job is finished Please bring any additional adapters, tools, or crimp connections you normally use to keep the install tidy and OEM-looking. A brief note about your experience with Toyotas or similar SUV installs will help me decide quickly.

I need an engineer who can design, implement, and validate a BLDC motor–control solution that maximises energy efficiency in a residential air-conditioning unit. The end result should let the compressor fan ramp up and down smoothly, draw the minimum possible power across typical duty cycles, and integrate without fuss into the existing appliance electronics. Scope of work • Develop or adapt a control algorithm (sensorless or sensored—whichever meets the efficiency target) that delivers stable torque at low RPM and high efficiency at peak load. • Select the appropriate MCU or gate-driver IC and size peripheral components so the complete design fits inside the current controller footprint of a split-type indoor unit. • Provide firmware, annotated source cod...

### Patent Writing & Technical Documentation Specialist I am leading a team of engineers, and we are currently developing a new product that we believe has strong potential for patent protection. We are looking for an experienced freelancer who can help us turn our engineering concepts, technical documentation, and invention details into clear, well-structured patent materials. ### What we need The freelancer should be able to: * Understand and analyze technical concepts and engineering designs * Work closely with our engineering team to identify potentially patentable aspects * Organize technical information into a clear invention disclosure * Help prepare patent descriptions, claims, and supporting documentation * Review and improve existing technical writing * Conduct patent an...

I have an electrical project that needs a qualified, licensed professional from initial assessment through final testing. No formal blueprints are available—only a rough idea—so I’ll rely on your expertise to confirm what must be rewired, added, or repaired and to draft a concise plan of action before any tools come out. After the walk-through, I’ll need a short written proposal that spells out the tasks, materials, timeline, and any code considerations. Once agreed, you’ll carry out the work, verify everything with the proper test equipment, and supply a completion report showing the installation meets local regulations. Deliverables 1. On-site assessment and written scope. 2. Fully executed electrical work to code. 3. Final testing results and compli...

Hello Dear experts need help for multiple software in chemical engineering ANSYS Fluent COMSOL Multiphysics MATLAB Python PolymathProcess Dynamics & Control Process Design Process Simulation Expert who can work for fair price and regular work and projects and report making. Induvial tutors Come with previous sample of work U can have many projects with Me Dr. Khan

4-Layer ESP32 Hardware Optimization & Thermal Simulation (Current: 85% Schematic) ===================================================================== PROJECT BUDGET & BIDDING TERMS: • Budget: Strict Fixed Price between $40.00 USD and $70.00 USD. • Selection Criteria: The best, most technically sound proposal strictly within this budget range ($40 - $70) will be awarded immediately. • NDA Required: A signed NDA is mandatory prior to releasing existing KiCad schematic source files. • Notice: Bids exceeding $70 or generic placeholder bids will be ignored automatically. • Anti-Spam Check: Start your proposal with the exact passphrase: "TITAN-VALIDATED". ===================================================================== ### Project Overview: We ...

I have an existing electrical single-line diagram that needs immediate attention. The job revolves around modifying the current SLD—specifically updating several elements so the drawing reflects recent field changes and complies with the latest panel schedules. Alongside that, I also need finished conduit routing drawings that coordinate with the revised diagram. You’ll be working with my original DWG files, so proficiency in AutoCAD (or a fully compatible platform) is essential. The finished package must include: • An updated, clash-free single-line diagram in DWG and PDF • A matching conduit layout in plan view, clearly labelled and ready for permit submission I’ll supply the existing files and mark-ups as soon as we start; I just need a fast, accurate tu...

I am seeking an experienced architect or architectural/engineering team to develop a coordinated set of architectural and mechanical, electrical, and plumbing (MEP) construction drawings using my existing site plans, floor plans, structural drawings, and design drawings. The overall layout and design have already been developed. I need someone to review the provided materials, identify missing information, and complete the drawings needed for permitting, contractor pricing, and construction. Scope of Work Review all existing plans and drawings and identify any missing details or coordination issues. Complete architectural drawings, including dimensioned floor plans, elevations, sections, construction details, door/window schedules, and other necessary sheets. Develop mechanical/HVAC p...

I'm looking for a skilled speaker designer and maker to help build a Bluetooth speaker primarily for indoor use. I am the designer of the speaker, I am looking to make the design into a workable speaker. Key requirements: - High-fidelity sound quality - Long battery life Ideal skills and experience: - Expertise in acoustics and audio engineering - Experience in arduino, coding and electrical knowledge for speakers - Knowledge of prototyping, battery technology.

I need a comprehensive rewire of a medium-sized school (11-30 classrooms). The project requires the integration of low voltage systems, specifically lighting and small power, along with an addressable fire alarm system. Key requirements include: - Rewiring for all electrical systems - Integration of lighting and small power LV systems - Installation of an addressable fire alarm system Ideal skills and experience: - Electrical engineering background - Experience with LV systems and fire alarms - Familiarity with school environments and safety regulations - Relevant certifications and licenses

I need an experienced hardware designer to develop a vibration sensor for machinery monitoring. Essential Requirements: - Design a robust vibration sensor - Ensure accuracy and reliability for industrial environments - Provide a detailed technical specification Ideal Skills and Experience: - Background in sensor hardware design - Experience with industrial application requirements - Proficiency in relevant design software and tools Please share your portfolio and relevant experience in your bids.

I need a working TIA Portal V17 project that lets me test and demonstrate basic control logic on a Siemens S7-1200. The goal is to open the file in my own installation, start PLCSIM (standard or Advanced, whichever you prefer), and watch the logic execute without errors. Scope • Create a clean project with the correct S7-1200 hardware configuration. • Write and comment the fundamental control routines I will specify once we start (start/stop, interlocks, simple timers, fault reset). Keep the code in LAD or FBD so it is easy to follow. • Set up tags and watch tables so I can toggle inputs and observe outputs during simulation. • Provide a brief note inside the project (or as a PDF) explaining how to start the simulation and what to look for. Acceptance I will...

I need four clean, accurate single-line diagrams for a small office room completed tonight. All mechanical and load data will be in your hands the moment we start, and I’ll stay online to clarify circuit counts, breaker sizes, feeder routes, or any other detail you need. Scope • One room, standard office use • Circuits limited to lighting and outlet distribution only • Drawings must observe the specific electrical standard set I provide (copies ready for you). Deliverables 1. Four separate SLD sheets in DWG and PDF 2. Legend, conductor sizing, breaker ratings clearly shown 3. Title block populated with my project info and revision date tonight Acceptance Criteria • No missing protective devices or conductor labels • Symbols match the st...

J’ai besoin d’un technicien capable de prendre en charge l’installation d’un nouveau matériel dans nos locaux. Mon principal objectif est que l’équipement soit correctement monté, connecté et testé pour garantir un fonctionnement optimal dès la première mise sous tension. Vos missions : • Déballer et assembler le matériel selon les spécifications du fabricant. • Effectuer tout le câblage nécessaire et vérifier l’alimentation. • Configurer les paramètres de base pour assurer la compatibilité avec notre réseau existant. • Tester chaque composant, diagnostiquer d’éventuels problèmes et y remé...

I need a freelancer to repair a Divya Full-Height Turnstile that is currently non-functional. I'm not sure whether the issue is mechanical, electrical, or software-related, so a thorough inspection and diagnosis will be necessary. Key Requirements: - On-site inspection to determine the exact issue - Repair services to fix the identified problems - No documentation is available, so familiarity with Divya turnstiles is a plus Ideal Skills and Experience: - Background in repairing turnstiles or similar access control systems - Strong troubleshooting skills - Experience with mechanical and electrical systems - Ability to work without documentation

I’m starting this project from a blank canvas and need a skilled PCB designer who can take my functional requirements (which I’ll share once we kick off) and turn them into clean, production-ready documentation. The board must be a double-layer design populated exclusively with surface-mount parts, so tidy routing, tight footprints and thoughtful component placement are essential. Your first task is to build the full schematic from scratch, validating part choices along the way. Once the schematic is locked, translate it into a compact two-layer layout that respects standard DFM guidelines and any component-specific recommendations in the datasheets. Deliverables I expect: • Complete, well-annotated schematic file (Altium, KiCad or Eagle—whichever you work fastest ...

I need certified A0 chargeman personnel and seasoned mechanical technicians to keep a centralized HVAC & chiller system in Johor running safely and efficiently. The assignment is strictly maintenance-focused and calls for hands-on experience with large-scale chillers and their supporting equipment. The scope covers: • Routine inspections of electrical panels, pumps, cooling towers, and control loops • System cleaning and preventive maintenance, including condenser tube brushing, filter changes, and lubrication • Component replacements or upgrades when wear or performance data indicates the need You will deliver dated service reports, a concise list of findings, and before/after photos for any part you replace or overhaul. All work must comply with Malaysian ele...

我正在为一款直线感应电机（LIM）项目收集技术方案与报价，希望贵方能根据以下核心指标提交完整的技术与商务文件。 主要性能需求 • 供电：三相 380 / 400 V • 连续推力：1100–1200 N，峰值≥ 1500 N（覆盖满载+加速） • 额定功率：≈ 15 kW（机械连续 12 kW，留有效率裕量） • 装机 / 峰值功率：20 kW（机械 16.7 kW） • 最高速度：40 km/h，对应同步场速 12–14 m/s（滑差率约 0.1–0.2） • 冷却方式：自然风冷 • 防护等级：IP65 及以上，设备将安装于车底、露天朝轨环境 • 初级尺寸：暂定宽 30–40 cm × 长 50–60 cm，可结合贵司标准优化 • 次级铝板：每块 1 m × 0.8 m，铝 5 mm + 钢 8 mm（可根据贵司经验调整） • 气隙请按贵司 LIM 标准匹配 请在提案中包含 1. 技术方案说明 - 电磁设计、推力-功率曲线与效率预测 - 冷却、绝缘、防护细节 - 安装接口与气隙公差建议 2. 报价明细 - 单台价格、批量梯度（如适用） - 备品备件、售后与质保选项 3. 交付周期与生产能力 4. 需方配合条件及任何前置测试要求 5. 以往相关项目或型式试验报告（若可公开） 我将依据技术匹配度、交期、成本与服务综合评估，选定一家供应商进入后续洽谈。期待收到详细方案，如有疑问请随时留言。

I have all the technical data ready—Excel schedules for breakers & loads plus reference PDFs of the existing lighting layouts. What I need now is pure drafting muscle in AutoCAD. Scope • Draft 4–5 single-line diagrams and 4–5 small lighting layouts, adding only the new electrical conduit piping; the wiring and light points are already fixed. • Follow the layer names and colours I will send you; keep every element cleanly separated. • Insert clear, detailed annotations so someone reading the drawings can build straight from them. Timeline (non-negotiable) • Tonight (my time): deliver one finished SLD and one conduit-pipe lighting layout. • Tomorrow EOD: complete the remaining drawings. All work is straightforward drafting—no ...

Title: Architectural + Structural + MEP Design – 1,700m² Residential/Mixed-Use Building Description: We are looking for an experienced and cost-effective engineer or small engineering team to complete the Architectural, Structural and MEP design for a building project in Jordan. Project: - Land area: approx. 870 m² - Total built-up area: approx. 1,700 m² - Basement + 4–5 floors - Mainly residential with a small commercial portion IMPORTANT: The project concept and preliminary floor plans are ALREADY PREPARED. We are NOT starting the architectural design from zero. The selected freelancer/team will develop the existing plans into a complete, coordinated engineering package. Required Scope: - Architectural drawings - Structural design + calculations + draw...

I already have a hand-drawn sketch of my new home and now I need it translated into a professional, printable set of architectural plans. Everything must follow a clean Modern style and be ready for permit submission and on-site construction. Scope The final package has to show every room with clear dimensions, an eye for aesthetic detailing, and a coherent flow that matches my sketch. Foundation, plumbing, and electrical layouts all need to be fully engineered, coordinated, and placed on the sheets. A complete roof design is also required so the contractor has no unanswered questions. Preferred Tools & Format You are free to work in AutoCAD, Revit, ArchiCAD, or any equivalent BIM/CAD platform—as long as the output arrives as high-resolution PDFs that can be printed on 24"...

I am building a control solution around a Siemens S7-1200 and need the complete PLC program and matching Siemens HMI screens created in TIA Portal. All logic has to compile error-free, follow Siemens best-practice block structure, use symbolic addressing, and include clear comments so I can maintain it later. Once we start I will share the I/O list, functional description, and network settings; you will return a single TIA Portal project that contains both the PLC and HMI configurations. Deliverables • TIA Portal project file (.ap13 or later) with PLC and HMI fully linked • Export of all program blocks and tag tables • Short PDF explaining program structure, tag mapping, and any special instructions • Video or simulation showing each HMI screen driving the PLC ...

I have a manufacturing assembly line that needs a solid Siemens S7-1500 program so the whole process runs reliably without constant operator tweaks. The PLC will take charge of every step on the line—from feeding parts, through each assembly station, to final transfer—maintaining sequence, interlocks, and safety signals while logging key production data for our MES. You’ll be working in TIA Portal (latest V17 preferred, but I can migrate from V16 if needed). The deliverable I expect is a fully commented PLC project file, tested in the simulator first and then ready for onsite download. If you can include basic WinCC Unified screens for status and fault diagnostics, that’s a plus, but the core focus is the ladder/SCL logic that makes the line cycle smoothly. To acc...

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 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 work and a timeline for completion.

I am seeking a skilled professional to review and optimize an existing PCB trace antenna design, specifically for the EM4325 IC. The project involves addressing performance issues, including limited reading range and angle sensitivity, while ensuring the following: - Detailed Review: Analyze the current PCB trace antenna design for potential improvements. - Optimization: Redesign or adjust the PCB to enhance performance, particularly in terms of reading range and angle sensitivity. - Shape Variations: Provide two shape designs for the PCB to explore different form factors. Provide two different overall PCB board shape designs/form factors incorporating the antenna design, to explore different physical board configurations. - LED Connection Fix: Correct a missing LED connection i...

Hello, I am looking for an experienced electronics/PCB engineer to design a compact production-ready PCB. This is a redesign of a previous project, so manufacturability, component selection, reliability and proper engineering are particularly important. Main requirements The PCB must include: * ESP32 with Zigbee / Thread / Matter support * Wi-Fi support is mandatory. * Bluetooth support is mandatory. * The selected ESP32 must provide sufficient RAM and flash memory with reasonable headroom for the networking stacks and our application firmware. * ESP32-C6 may be considered, but the designer may propose a more suitable Espressif device if technically justified. * The final MCU/module selection must be agreed before PCB layout. * USB-C port * Used for firmware pr...

Request for Proposals (RFP) / Freelance Job Specification: Custom Bipedal Humanoid Platform Role Type: Contract / Freelance (Full-system or Module-specific) Location: Remote (Hardware prototyping local or shipped) Engagement: Milestone-based contract 1. Project Overview We are designing and fabricating a custom open-architecture bipedal humanoid robot. The goal is to build a functional, anthropomorphic platform capable of dynamic balance, stable bipedal locomotion, and compliant interaction. Because building a complete humanoid spans multiple disciplines, we are hiring specialized engineers and domain experts. Applicants may bid on the full lifecycle or submit proposals for individual tracks aligned with their core expertise. 2. Specialized Tracks & Scope of Work Track A: Mechanical En...

Hi there, I am looking for an experienced PCB design engineer to lay out a small, high-power LED strobe controller board and prepare the manufacturing files for JLCPCB Economic PCBA (surface-mount assembly) [1.2]. The design is completely finalized conceptually, and I have attached the Engineering Requirements Document (ERD) and the Final Schematic Pinout Map below to serve as your definitive layout blueprint. Project Deliverables Required: Complete schematic and 2-layer PCB layout using EasyEDA (preferred) Verified BOM (.csv) matched to standard, low-cost components from the JLCPCB parts catalog. Formatted component placement centroid file (). Production-ready Gerber Fabrication Bundle (.zip) [1.2]. Core Structural Criteria: Form Factor:...

I need a comprehensive service to help restore my house after a fire. Key Tasks: - Clean up and remove debris - Repair and reconstruct both interior and exterior, including framing and structural rebuilding up to NEC code standards - Provide electrical and plumbing blueprints (execution handled by a separate team) Interior repair needed for: - Walls and ceilings - Flooring - Electrical systems Ideal Skills and Experience: - Experience in fire damage restoration - Skilled in cleaning, debris removal, and reconstruction up to code - Knowledge of NEC codes for electrical systems - Ability to manage both interior and exterior repairs within a 13-month timeframe (structural rebuild within 4 months)

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; - debug the electronic...

I need software and firmware file to download into KS98-2 process controller. No time wasters. Only contact if you have experience with West controllers.

I’m ready to move an industrial-grade project from concept to a fully routed, production-ready multi-layer PCB. The board will sit inside rugged equipment, so clean signal integrity, controlled impedance where needed, and rock-solid power distribution are critical. Here’s what I will hand over: • Finished schematic (updated from my draft, or created from your netlist). • Optimized multi-layer stack-up with clear documentation of dielectric thicknesses and copper weights. • Complete routing in Altium Designer or KiCad—your choice—adhering to IPC standards. • DRC-clean Gerber, drill, pick-and-place, and IPC-356 netlist files. • An accurate BOM with manufacturer part numbers and alternates. • Assembly drawings and 3D STEP model ...

I need an expert to troubleshoot a communication issue with my Siemens S7-1200 system. The malfunction is related to the PLC program. Key requirements: - Expertise in Siemens S7-1200 systems - Experience with PLC program diagnostics and repair - Strong problem-solving skills Ideal Skills: - Siemens certification - Background in industrial automation - Knowledge of communication protocols used with S7-1200 Please provide a detailed approach and timeline with your bids.

My production line near Kanchipuram, Chennai relies on a Siemens PLC that now needs expert attention. I have every manual, wiring diagram, and software license ready for you—what I’m missing is the specialist who can quickly pinpoint the fault, restore reliable operation, and verify the fix on-site. You’ll begin with a diagnostic session at the facility, work through the documented logic and hardware, correct whatever is preventing normal function, then test under load to confirm stability. Once the PLC is running as intended, I’ll need a concise service report detailing the root cause, corrective steps, and any preventive recommendations. If you know your way around Siemens Step 7/TIA Portal, have a solid track record with on-site troubleshooting, and can reach K...

Ich brauche eine kompakte Ladeelektronik für eine selbst gedruckte iPad-Halterung, die künftig in kleiner Serie gefertigt werden soll. Worum es geht • Grüne LED soll anzeigen, dass an der KFZ-Versorgungsleitung stabile 12 V anliegen. • Zweite LED signalisiert, dass das iPad tatsächlich lädt. • Es genügt die reine Basis-Elektronik; ein externes Gehäuse ist nicht nötig, da die Halterung bereits eine passgenaue Aussparung besitzt (Muster liefere ich). • Standard-LEDs sind vollkommen ausreichend. • Ein integrierter Kurzschlussschutz und Sicherung ist zwingend erforderlich, weitere Zusatzfunktionen werden gegebenenfalls besprochen. Liefererwartung 1. Schaltplan und durchdachte Bauteilauswahl (BOM) mit mar...

This project strictly requires hands-on prototyping, including physical assembly and testing—design-only services will not be considered I already have detailed winding diagrams, coil counts, wire gauges, and a full wiring schematic for three compact electromagnets—each under 10 cm in any direction. Your task is to turn these drawings into a tangible proof-of-concept and ship it to me. The magnets will sit in a custom harness. I’m leaning toward a light alloy or other metal solution, but I’m open to your recommendations once you see the design constraints. All electronic components, fasteners, and raw materials will be reimbursed at cost; please keep receipts. Power can come from batteries, a small AC supply, or a rechargeable pack—I’m happy with which...

I need an electrical layout pole diagram for installing electrical poles and transformers as per the electricity board's requirements. The diagram should include: - Pole and transformer locations - Connections and wiring - Safety markings and clearances Requirements: - Provide the final diagram in DWG format - Use standard scale and dimensions Ideal skills and experience: - Proficiency in creating electrical layout diagrams - Familiarity with DWG format and relevant design software - Knowledge of safety standards and requirements in electrical installations

# Freelancing Project Posting Lighting Design for 4-Story Villa (Interior & Exterior) --- ## Project Overview We're seeking an experienced lighting designer for a complete lighting design package for a 4-story residential villa. This includes interior and exterior lighting planning, fixture specifications, and installation guidance. ## What We'll Provide - Complete AutoCAD floor plans (all 4 levels + exterior/landscaping) - Site dimensions and room specifications ## Core Deliverables Required - **Lighting design plans** (CAD format) with fixture placement, circuit layout, and switch locations - **Installation notes** (height, spacing, wiring requirements) - **Smart home integration proposal** – sensor placement, automation zones, app control options --- ## Budget...

Invitation for Cooperation – Third Party Inspectors We are a Third-Party Inspection (TPI) company providing independent inspection services across Asia, Europe, the USA, and other Countries. We have extensive inspection activities and ongoing projects in various countries, including South Korea, Singapore, Japan, Oman, Russia, Germany, Italy, Serbia, Poland, Spain, and the USA, as well as other locations worldwide. We are continuously expanding our network of qualified local inspectors, freelance inspectors, and inspection professionals in different countries and are interested in establishing long-term cooperation with reliable and experienced inspectors. Our inspection assignments cover various industrial products and equipment, depending on project requirements and client needs. I...

I’m upgrading an industrial facility and need a complete low-voltage (≤1 kV) electrical package that focuses on our control systems. The scope covers every step from the initial load study right through to a polished engineering report that management can file for compliance. What I need you to handle • Calculate all diversified and peak loads, then translate them into feeder and sub-feeder currents. • Select and size MCBs/MCCBs with proper coordination, fault-level checks, and discrimination. • Size cables for current-carrying capacity, voltage drop, and installation method; include derating factors. • Produce single-line diagrams, panel schedules, and detailed wiring drawings (AutoCAD or equivalent). • Flag any design-stage problems and outlin...

I'm seeking a skilled developer to automate an oilfield pumping unit. The automation system should be capable of: - Start/stop control - Monitoring and reporting - Safety shutdowns - Efficiency optimization subroutine Ideal skills and experience: - Experience with pump automation systems - Proficiency in control systems and safety protocols - Strong background in efficiency optimization techniques - Familiarity with monitoring and reporting tools Please provide relevant experience in your bids.

I’m developing a fully automatic device that keeps both residential and commercial rooftop solar arrays spotless by pairing a belt-driven carriage, a soft brush and a sparing water-spray line. The core objectives are clear: cut manual labour to near-zero, use as little water as practical and achieve faster, more uniform cleaning ­– all while making the unit simple enough for a single technician to clip in place during installation. Here’s what I need help with: • Complete mechanical and control-system design for the belt mechanism that can travel the length of typical rooftop strings and return to a docking station automatically. • Soft-bristle brush selection and drive layout that won’t abrade panel coatings yet removes stubborn dust. • Lo...

I’m finalising a row-house design and now need precise 2D drawings that cover both the electrical and plumbing systems. For the electrical side, include a complete lighting layout, every power-outlet location, and a clear panel schedule. On the plumbing side, I need the water-supply runs, the full drainage network, and exact fixture placements. Standard residential practices are fine for the electrical code base—no special standards to follow beyond what you would normally apply, but do flag anything that looks non-compliant. Please deliver layered DWG files along with ready-to-print PDFs, all scaled and annotated so a contractor can build directly from them. I’ll review for clarity of circuits, pipe sizing, and fixture positioning before signing off.

We are seeking an experienced System Engineer (m/f/d) for a development project involving unmanned aerial vehicles. This role is for a Munich-based startup, and the candidate must be a European citizen, ideally already located in Germany/Munich. The project focuses on developing a wireless communication system to support video and data transmission in challenging environments. Key Responsibilities: • Define the system, hardware, and software architecture for the FHSS communication system. • Develop and evaluate approaches to frequency hopping, MIMO, and interference mitigation across RF and embedded subsystems. • Support the integration of Qualcomm Wi-Fi modules and STM32-based controllers with RF front ends and software-defined radio (SDR) platforms. • Collabor...

Project objective: We are developing a food dehydrator. Our first priority is achieving uniform airflow across all 21 trays and across the usable area of each tray. This assignment focuses on designing an airflow prototype that can be tested at room temperature before integrating heating or a heat-pump system. Scope of work - Agree on chamber dimensions, tray spacing, airflow direction, and target velocity. - Develop and compare practical supply-plenum, return-plenum, and tray-channel arrangements. - Assess features such as tapered plenums, guide vanes, perforated plates, baffles, and adjustable balancing openings. - Account for airflow resistance from both empty trays and food-loaded trays. - Estimate total airflow, pressure losses, and the required blower operating point. - Evaluate ...