Electrical Engineering Jobs

I need an experienced PCB designer to edit an existing single-sided PCB design. The current design is in Altium and requires modifications for testing and validation. Requirements: - Change component placement - Route traces Ideal Skills and Experience: - Proficiency in reading and editing Altium - Experience in PCB design, especially for testing purposes - Attention to detail and precision Please provide examples of previous work.

I’m seeking a Los Angeles–licensed designer who can deliver a full set of permit-ready documents for a new 700 m² single-family residence. The very first milestone is to produce coordinated architectural, structural, HVAC, and complete water-and-electricity (MEP) drawings; later phases will follow as the build progresses, so I’m interested in a partner who can stay involved for several years. Scope of the initial package • Architectural and structural sheets stamped for LA jurisdiction • HVAC layout sized for local energy code compliance • Water supply, drainage, and fire-protection schematics • Electrical and low-voltage plans, panel schedules, and load calculations • Revision cycles until city approval What to include in your prop...

I need a detailed cost estimate for an upcoming infrastructure package that will cover electrical and plumbing networks as well as all excavation, services and road works. The end product should let me see quantities, unit rates and overall costs broken down clearly enough to feed straight into our budgeting process. This project is in British Columbia, Canada You will work from the drawings, preliminary schedules and material specifications I provide, then build a structured Bill-of-Quantities (BoQ) that identifies labour, plant and material costs line-by-line. Where market rates are assumed, note your data sources; if allowances or contingencies are used, state your logic so I can tweak figures easily. Because an accurate bottom-line is critical, I will shortlist only freelancers whos...

Embedded Hardware & Firmware Expert Needed for Industrial 3-Phase Pure Sine Wave Inverter Project Overview: I am seeking an experienced Power Electronics and Embedded Systems Engineer to design the hardware and firmware for an Industrial-Grade 3-Phase Pure Sine Wave Inverter. The project involves designing multiple PCBs (MCU Motherboard, IGBT Driver, Thyristor Driver, and Sensing Interface) and developing robust firmware for system control, monitoring, and HMI integration. 1. Hardware Specifications & PCB Requirements: You will be responsible for designing the following industrial-grade PCBs: • MCU Motherboard: Based on Texas Instruments (TI) or Microchip architecture. Must handle PWM modulation and system logic. • IGBT Driver PCB (3-Phase): Industrial grade, optimized fo...

I already have MATLAB & Simulink installed and now need a well-structured electrical grid model focused on fault analysis. The system must include properly parameterised generators, transformers and representative load models so I can inject single-line-to-ground, line-to-line and three-phase faults and observe transient behaviour, voltages, currents and protection relay responses. Please configure the model with clear subsystems, naming conventions that follow Simscape Electrical best practice, and scopes or data-logging blocks that make it easy to export results to the workspace for post-processing. Reusability matters, so keep parameters grouped in a mask or a script I can tweak later to test different power ratings and fault locations. Deliverables • A clean .slx file cont...

I need detailed electrical documentation for a small 1800 SF walkout basement foundation of a residential home with a pre-wired modular main floor. The following are required: - Electrical Site Plan - Electrical Cover Sheet (including load calculations and general notes) - Panel Schedules - Power Plan (outlets and equipment, including home appliances and HVAC system) - Lighting Plan (recessed lighting fixtures) and Lighting Schedules - Electrical Schedules and Detail Drawings Ideal Skills and Experience: - Proficiency in creating electrical site plans and detailed schematics - Experience with residential electrical systems, especially for modular homes - Knowledge of load calculations and drafting panel schedules - Familiarity with recessed lighting design and impl...

I require an experienced electrical engineer to upgrade and design systems for an industrial facility. Key tasks include: - Upgrading power distribution and lighting systems - Designing electrical systems to enhance efficiency and safety Ideal Skills and Experience: - Expertise in electrical design for industrial facilities - Proven track record in system upgrades, particularly in power distribution and lighting - Knowledge of industry standards and safety regulations Please provide examples of past work and relevant certifications.

I am looking for an embedded systems developer to write Arduino code to communicate with the MCP3903 energy measurement IC from Microchip using the SPI interface. The goal of the project is to read voltage measurements from three channels of the chip and output the values through the Arduino serial monitor. Hardware: Arduino board (Arduino Uno or compatible) MCP3903 analog front-end IC SPI communication Requirements: The code should: Initialize SPI communication between Arduino and the MCP3903. Configure the MCP3903 registers correctly for basic operation. Read measurement data from the following channels: CH0 CH1 CH2 Convert the raw ADC data into readable voltage values (or at least raw measurement values). Print the measured values continuously to the Arduino Serial Monitor...

Lab EMG - Electromyogram I have result from the lab attached labeled Jennah Introduction Today, we will use the Biopac amplifiers at each station to collect electromyography data, which we will then explore and analyze using Matlab. In this lab, you will investigate the EMG from two muscles resulting from isometric muscle contractions. Matlab code for collecting EMG data (BioPacEMG.m) is posted on Canvas. Verify that your equipment is working correctly before attempting to collect any actual data. Task 1: Data Collection Procedure Before testing your setup, make sure that the power light turns on when you flip the power switch on your amplifier. Dr. Adamovich will explain the proper amplifier settings at the beginning of class. After ensuring the proper locations for electrode placement ...

I need help matching new electrical wiring at my residence with the electrician's invoices. The areas needing matching are: - Living room - Bedrooms - 1 bath and 1 powder room - 4 mini-split compressors - 5 new circuits The work can be easily viewed from the basement or in the walk-up attic. Ideal skills and experience: - Strong understanding of electrical systems - Experience with invoice verification - Attention to detail

I’m looking for a single professional who can look after both the electrical and plumbing sides of my property. The immediate priority is routine maintenance: checking circuits, panels, fixtures, pipes, and drains, making sure everything is safe, efficient, and up to code. While you’re on-site I also want a few new electrical appliances installed and tested so they integrate cleanly with the existing wiring. Please bring the tools, diagnostic gear, and parts you normally rely on. I appreciate tidy workmanship and a brief written report at the end that lists what was inspected, what was serviced or replaced, and anything that may need future attention. Key deliverables • Full maintenance run-through of all electrical and plumbing systems • Installation, wiring,...

I have already drafted a full specification for a simplified television remote control aimed at older users, complete with ergonomics, button layout, and overall product vision. While I finish the patent application, I now need a skilled partner to bring the electronics and software to life. On the hardware side, the priority is circuit design. I will share detailed functional blocks, power-budget targets, and regulatory constraints; you would translate these into a clean schematic that is ready for board layout (I will also welcome help on the actual PCB routing once the schematic is locked). For software, I need both the embedded code that will run on the microcontroller and the on-screen user interface logic that appears on the TV. Simplicity and reliability for elderly users are the ...

I need an accurate and professional electrical wiring diagram for my installed DIY grid-tied solar array system. The deliverables should include: - Service panel connections - Grounding schedule - Details required for electrical inspector approval This involves solar panels and an inverter, so experience in designing layouts and knowledge of local inspection requirements is essential.

**Project Title:** ESP32 Based Educational Robotics PCB Design **Project Description:** I am looking for an experienced PCB designer to design an educational robotics development board. The board will be used for teaching robotics, IoT, and programming to students . The board should be based on an ESP32 module and must integrate multiple components and connectors so students can easily connect motors and sensors. The board should also be compatible with Scratch, so students can control the hardware using Scratch blocks. The freelancer should also create the required firmware or extension file needed to connect the hardware with Scratch. **Key Features Required:** 1. ESP32 module for WiFi and Bluetooth connectivity 2. Motor driver for 2 DC motors 3. Battery connector for rechargeable L...

I will soon issue a full drawing package—over 10,000 m²—for a new development in the Republic of Congo and need every sheet professionally proof-read before it goes to the authorities and contractors. Of course, if you are a full-case designer or Agency who can undertake the construction drawings of building structures, HVAC, and electricity, you can also contact me directly. At present, the project is still in the concept design stage, and we will start drawing construction drawings soon. If you are interested, please send me your quote structure. What needs checking • Architectural, structural, HVAC, plumbing/water and electrical construction drawings. Key tasks • Spot and correct dimension errors, note inconsistencies, missing call-outs and c...

Project Brief: Kinetic Pulse PCBA 1. Core Functional Requirements Power Input: Must accept AC input from a linear induction coil (approx. 3,000 turns). Energy Storage: Must use a Supercapacitor (1.5F - 2.0F / 5.5V) as the sole energy storage—No chemical batteries. Power Regulation: A boost converter must provide a stable 3.3V rail even as the capacitor discharges down to 0.7V. Power Efficiency: The entire system must be "Nano-power." Total standby/idle current must be < 1µA to ensure the device holds a charge. Timing Logic: An internal timer must trigger a 100ms audible alert (Buzzer) every 40 seconds. Pressure Sensing: The system must interface with a Force Sensitive Resistor (FSR). State 1: Visual Green LED alert when pressure is applied (> 50g). State 2: Visu...

I own an original KeyMouse Track, now discontinued, and would like to bring it back to life. Reference product: Intended production size: Only for personal use at this point. However, where possible and cost-effective, design decisions should consider future scalability to larger production runs. Available artifacts: - STL Files (I don't know whether these files are suitable for manufacturing, or some earlier draft): - Assembly instructions: - Original PCB which can be purchased: - Track ball sensor module image and description: - Custom-made wrist extension CAD files: Deliverables: - Deliver cleaned and validated STL files suitable for reliably producing a functioning unit via 3D printing. with the external wrist extension integrated - Full reverse engineering into par...

I’m putting together a very small-scale project on an Arduino Uno and simply need a clean, well-commented sketch that switches an LED on and off. No elaborate libraries or peripherals—just straightforward LED control that compiles in the current Arduino IDE and can be uploaded over the standard USB cable. What I expect from you • An .ino file that drives either the onboard LED (pin 13) or an external LED on any digital pin I can redefine at the top of the sketch. • Clear inline comments explaining each step so a beginner can follow the logic and reuse the code in future experiments. • A short read-me noting the exact IDE version you compiled with and the wiring diagram if you choose an external LED. That’s all—simple, reliable, and ready to ru...

I'm seeking an experienced electrical estimator for a commercial project. The estimation will cover lighting installation, power distribution, and fire alarm systems. Requirements: - Accurate and detailed cost estimation - Use of existing detailed blueprints - Experience with commercial electrical projects Ideal Skills & Experience: - Electrical engineering background - Proficiency in estimation software - Strong attention to detail Please provide a sample of previous work. Deadline: Sunday

I have a factory shed layout for which the electrical wiring plan and main electrical panel layout needs to be made. 3 phase power board - consists of 2 x 32a power distribution sockets and 2 x 32a 4 pole mcb 1 phase power board - consists of 3 x 16q power distribution sockets and 3 x 16a 2 pole mcb lighting/fan distribution points - consists of 8 nos single pole mcb distribution box What is required - 1. Main electrical distribution panel layout (with dimensions) and wiring (including adequate mcb/rccb) 2. Wiring for - Junction box, 3 phase, 1 phase power and lighting/fan distribution points (12 nos) 3. Wiring for - Junction box, 1 phase power and lighting fan distribution point (1 nos) 4. Single phase distribution to be divided into R, Y and B for proper load distribution 5. Bill of...

I need a licensed engineer to review and stamp my interior living space drawings for an ADU built from a steel building. The review is needed for city approval and must include: - Structural integrity - Electrical layout - Plumbing design Ideal skills and experience: - Licensed professional engineer (PE) - Experience with ADU projects - Knowledge of city approval processes and requirements

I'm looking for an experienced audio technician to connect my audio separates to an integrated amplifier. Requirements: - Connect a CD player, turntable, equalizer, and tape deck to an integrated amplifier. - Determine and use the appropriate cables and connections (RCA, XLR, Optical, etc.). - Ensure optimal sound quality and setup. Ideal Skills and Experience: - Expertise in audio systems and amplifiers. - Familiarity with various audio connections and equipment. - Experience in setting up and connecting multiple audio devices.

Project Overview: We are developing a motor controller PCB for an educational differential-drive mobile robot used in university teaching and research. The board is based on a validated prototype with proven firmware, and we now need a production-quality PCB designed for manufacture and CE/UKCA certification. A detailed hardware specification document will be provided to the selected designer. This brief summarises the scope and complexity of the project. Board Function: The board controls two DC gearmotors with closed-loop velocity control, monitors battery voltage, manages safety systems (emergency stop, timeout, heartbeat), and communicates with a host computer or single-board computer over USB. It also provides regulated power to downstream devices via a USB-C Power Delivery source po...

I’m preparing a mixed-use residential/commercial development and need complete MEP documentation that satisfies the latest National Building Code (NBC) requirements. The scope centres on three disciplines—Electrical, Plumbing, and the full Fire Protection system—co-ordinated so authorities can grant approval without revision. No formal LEED or ENERGY STAR certification is targeted, yet the solutions should still follow good energy-efficient practice where it makes sense. What I expect from you: • Electrical: load calculations, single-line diagrams, panel schedules, lighting and power layouts, earthing and lightning protection schemes. • Plumbing: water supply, drainage and vent piping, pump sizing, schematic risers, fixture counts, and a bill of quantities....

I need an expert to overhaul the control electronics on our solid swimming pool cover and modify the control circuits. The goal is to improve existing functionality and enhance automatic cover operation. Key tasks include: - Improving existing control circuits - Enhancing automatic cover operation Ideal Skills and Experience: - Proficiency in electronics and control systems - Experience with automation and control circuit modification - Knowledge of pool cover or electric gate systems - Strong problem-solving skills

I want a simple two-channel radio link that can do just two things reliably: 1) vary the speed of my brushless DC motor through its ESC (accepts S-Bus or standard PWM) and 2) toggle a single relay on or off. Hardware • I already have the motor, ESC, and relays. • You may choose Arduino, Raspberry Pi, or any Adafruit board—use whichever keeps the build small, inexpensive, and stable. Radio requirements • The handheld transmitter must let me select the operating band with a physical switch: 2.4 GHz, 900 MHz, or 433 MHz. • If LoRa is the cleanest way to hit those bands, great—just make sure the LoRa hop gives me at least a 1 000 ft (≈300 m) clear-line range. Long-range reliability is more important than data rate or extreme power savings...

Project Brief: Stealth-Modified Automatic Parking Disc (Certified for Public Road Use in Germany) Project Goal: I want to technically modify a certified electronic parking disc approved for use in Germany (must have an official certification number and ECE approval), so that it continues to automatically update the displayed parking time even after the vehicle has been parked. This modification must be invisible and undetectable from the outside, meaning the device must look and behave like the original product to any observer or parking enforcement officer. Background: Standard electronic parking discs are designed to detect when a vehicle is turned off and then freeze the display at the next permissible half-hour mark. This allows parking enforcement to determine how long the car has b...

I’m building a research-grade quantum simulator in Python and need a robust codebase that can accurately model multi-qubit circuits, apply standard gate operations, and return state-vector or density-matrix outputs. Whether you prefer to work directly with NumPy/SciPy or leverage existing open-source frameworks such as Qiskit, Cirq, or QuTiP is completely up to you; the key requirement is clean, well-documented code that runs reliably under Python 3.11. Please provide: • A modular simulation engine capable of handling at least 10-15 qubits, with optional noise or decoherence modelling • A clear, Pythonic API for defining circuits, executing simulations, and extracting results (probabilities, expectation values, etc.) • Unit tests plus a concise README that cover...

We are seeking an experienced electrical engineer to create four comprehensive study reports: Steady State Study Report, Dynamic Study Report, Power Quality and Protection Study Report, and Earthing Study Report. The ideal candidate will have a strong background in electrical engineering and excellent report writing skills. The reports should be detailed and accurate, providing insights into the electrical systems and infrastructure. PSCAD for dynamic studies and PSS SINCAL for steady state, protection, power quality, and earthing studies. 1. Steady State Study Report Covering load flow, voltage profile, thermal loading, reactive power performance, and contingency review. 2. Dynamic Study Report Using PSCAD, including assessment of plant response to disturbances, fault ride-through perf...

I'm looking for an experienced PCB designer to create a single-layer PCB for a consumer electronics radio application. The PCB will need to incorporate sensors. Key Requirements: - Design a single-layer PCB - Application: Consumer electronics (radio) - Must include sensor components Ideal Skills and Experience: - Proficiency in PCB design software - Experience with consumer electronics, especially radio devices - Strong understanding of sensor integration on PCBs - Attention to detail and ability to meet deadlines

I need a design review for an electric heater with fan and heating element due to field failures. The specific issues are overheating and electrical shorts. Key Focus Areas: - Electrical Circuitry: Review and identify design flaws - Overheating: Analyze potential causes - Electrical Shorts: Investigate and recommend fixes Ideal Skills and Experience: - Expertise in electrical engineering - Experience with heating appliances design - Problem-solving skills for safety issues

I am building DigitScale IA, a dedicated body-composition scale that goes beyond mere weight and zeroes in on bone density. The goal is a standalone hardware device—complete with its own enclosure, sensing module, firmware and simple companion interface—that can provide reliable, non-invasive bone-density readings each time a user steps on it. Your expertise in sensor selection, PCB design, firmware development and calibration will shape the entire product. Feel free to propose capacitive, impedance-based, ultrasound or hybrid approaches; accuracy and repeatability are the metrics that matter most. Bluetooth LE connectivity is preferred so users can pull their data into a mobile app later, but a basic on-device display will suffice for the first iteration. Deliverables &b...

​Project Description: ​I am looking for a PhD-level Photonics/Quantum Engineer to develop a 100% accurate simulation and a certified hardware list (BOM) for a specific optical experiment. ​The goal is to analyze the fidelity of Gaussian States (Squeezed/Coherent) after a 10km fiber-optic delay line using a time-domain multiplexing approach. ​The simulation MUST include and validate the following chain: ​Optical Source: Phase-stable Laser (CW or Pulsed) at 1550nm + Squeezing Source. ​Encoding Stage: High-speed modulation (AM/PM) with specific Vpi and insertion loss constraints. ​Delay Line: 10km SMF-28 Fiber (including Rayleigh scattering and phase-drift modeling). ​Interference Stage: Local Oscillator (LO) synchronization and balanced beam splitting. ​Detection: Balanced Homodyne Detector ...

Deliverables • • Source files for recreated results Acceptance criteria • Side-by-side comparison shows no visible difference in content and results. Once I confirm the mirror accuracy of the reproduced report, the project will be considered complete.

I’m building a pair of DIY tower speakers and need a custom-designed, two-layer PCB that ties everything together. The board must fit comfortably inside the cabinet, so please keep your layout within 260 mm (W) × 190 mm (H) and use 2 oz copper. All core functions—amplifier stages, passive/active crossover networks, and an onboard Bluetooth module—have already been mapped out in a block diagram that I will share. Your job is to translate that diagram into a production-ready board, routing power and signal paths cleanly and meeting good audio-grade practices for noise, thermal management, and grounding. Once the schematic and layout are complete, I’ll need the standard fabrication package: • Gerber and drill files • Read-me with stack-up and cop...

Project Brief: Kinetic Pulse PCBA 1. Core Functional Requirements Power Input: Must accept AC input from a linear induction coil (approx. 3,000 turns). Energy Storage: Must use a Supercapacitor (1.5F - 2.0F / 5.5V) as the sole energy storage—No chemical batteries. Power Regulation: A boost converter must provide a stable 3.3V rail even as the capacitor discharges down to 0.7V. Power Efficiency: The entire system must be "Nano-power." Total standby/idle current must be < 1µA to ensure the device holds a charge. Timing Logic: An internal timer must trigger a 100ms audible alert (Buzzer) every 40 seconds. Pressure Sensing: The system must interface with a Force Sensitive Resistor (FSR). State 1: Visual Green LED alert when pressure is applied (> 50g). State 2: Visu...

Step1: Downloaded file to be saved in a folder /replace it(Skill Pending). Step2: Open a new excel file. Step 3: Load from the downloaded File>> New Excel file>> Data>> Get Date>>From file>> from Excel workbook>> Load Step 4: Filter Location(Except Netherlands I need all location but Netherlands line items should not be deleted on the worksheet, Filter Oracle Grade- exclude #NA, M5, M6- line items should not be deleted on the worksheet) Step 5: Endorsement Status to be displayed for Skill wise as well as resource wise, How the dashboard to be looked like Need to show Skill pending resources Endorsement pending resource along with supervisors Proficiency level pending resources Primary skill pending resources Last updated >1 Year resources ...

I need a complete, production-ready design for a 100 W LED luminaire that will serve as the main light source in a living-room setting while still being robust enough for occasional outdoor use. The fixture must deliver high lumen output with excellent efficacy, maintain color stability over time, and integrate smoothly with common smart-home ecosystems (Wi-Fi, Zigbee, or similar). Scope of work • Component selection: high-efficiency LED array, constant-current driver, thermal interface materials, optics, housing, and an IP-rated enclosure or coating suitable for indoor/outdoor crossover use. • Electrical design: full schematic and PCB layout for the LED driver, MCU or smart-control module, surge and polarity protection, and any required EMC filtering. • Thermal manag...

pressure transducer # 85CV 030A FCA1396 32613 013 1129 Amplifier:TL972P I need someone who understands Arduino Boards and Python to successfully work on a Pressure Transducer. I have attached my current code and setup with an amplifier do your research I need this thing to work. For your linear actuator balloon system (IABP capstone setup), the pressure transducer’s goal is to measure the pressure generated in the balloon or fluid line during actuator motion. Core Purpose The pressure transducer converts fluid pressure → electrical signal so your system can monitor what the actuator is doing. What this lets you verify The sensor is mainly used to confirm that the system works correctly. Verify balloon inflation Pressure should rise when the actuator compresses the ...

Project Title: Medical Device V&V Testing — Contract Biomedical Engineer (Bay Area, 4-6 weeks) Description: We're an early-stage medical device startup preparing an IRB submission for an early feasibility clinical study of an Intermittent Hypoxic-Hyperoxic Therapy (IHHT) device. We need an experienced contract biomedical engineer to execute verification and validation testing on 3 prototype units in the San Francisco Bay Area, starting mid-April 2026. Scope of work: FiO2 & gas delivery characterization — measure oxygen concentration accuracy across the operating range (8-35% FiO2) using calibrated external oxygen analyzer and flow meter. Continuous logging over extended test sessions to characterize PSA cycling dynamics, transient behavior, and stability. Syste...

We are seeking a highly competent Freelance Automation Engineer to support the design, development, programming, and commissioning of PLC & SCADA systems for wastewater treatment role requires a results-driven professional who can independently manage automation scope—from control philosophy development to site commissioning—while ensuring full compliance with industry ResponsibilitiesDesign and develop PLC & SCADA architecture for wastewater treatment control philosophy, IO lists, cause & effect matrices, and system PLC programming, HMI/SCADA configuration, and system FAT, SAT, troubleshooting, and commissioning and ensure compliance with IEC, ISA, and industrial automation with electrical, instrumentation, and process engineering control logic for efficien...

I am putting together an in-depth engineering study on today’s and tomorrow’s hydrogen landscape. The work has to cover the full chain—from the way we make hydrogen, through the options we have to store it, to the networks and carriers that move it—always with an eye on how these choices influence sustainable power projects. Here is what I need from you: • A rigorously referenced technical report that compares the main generation pathways, storage media, and transport modes, quantifying efficiency, cost, safety, environmental impact, and scalability. • An executive summary that distils the key engineering insights and recommendations for real-world deployment. • Any supporting calculations, models, or datasets (for instance, spreadsheets, Aspen/...

I need a designer to create four identical sleeping and resting rooms in a 20’x60’ building. Each room should have a bedroom and bathroom, similar to a motel room. Room Requirements: - Modern, Traditional, or Minimalist style (user preference not provided) - Primary function: Sleeping and resting - Furniture: Queen bed and bedside tables Ideal Skills and Experience: - Interior design expertise - Experience with space optimization in small areas - Ability to work with specified styles and create cohesive designs - Knowledge of bathroom design and functionality Please provide samples of similar work and a rough estimate of your design time.

I am renovating and upgrading an industrial facility and need an MEP electrical specialist to lead the electrical portion from concept through close-out. The job starts with a thorough assessment of the existing power distribution, lighting, and control systems, followed by a full redesign that brings the plant up to current codes and improves energy efficiency. You will develop stamped drawings, load calculations, panel schedules, single-line diagrams, and a coordinated BIM/AutoCAD model that ties seamlessly into the mechanical and plumbing updates. During construction I’ll rely on you for submittal reviews, RFI responses, and periodic site inspections to confirm that the installation matches the design intent. Experience with Revit, AutoCAD, and either ETAP or SKM for short-circ...

Project Overview We are developing a small autonomous underwater vehicle (AUV) with a 127 mm outer diameter hull and 115 mm internal diameter tailcone. We are seeking a mechanical or robotics engineer to design a compact, robust, and easy-to-assemble control surface actuation system for the vehicle’s fins. The vehicle is designed to operate at depths up to 100 meters, and this depth requirement is a primary design constraint. The tailcone is fully flooded and components must tolerate hydrostatic pressure and long-term marine exposure. The final system should be mechanically straightforward enough that, in theory, a technically capable high-school student could assemble and service it. --- Design Objective Design an internal mechanism that: Actuates four external control fins...

The Service Provider shall prepare a complete and coordinated BIM model for the G+8 building project strictly based on the issued CAD drawings, specifications, and CPWD standards. The scope includes architectural modeling (grids, levels, walls, doors, windows, floors, roof, staircases, and room data), structural modeling (foundations, columns, beams, slabs, and framing elements), PHE modeling (water supply, drainage, sewer lines, and STP components), and electrical and fire system modeling (internal wiring layouts, cable trays, fire fighting and fire alarm routing, and solar PV layout where applicable). The work shall also include integration of all discipline models, conducting minimum two clash detection cycles, and submission of a coordinated, clash-free model. Deliverables shall includ...

I am looking for an experienced Mechanical / Fire Protection Engineer to perform a Smoke Extraction System Simulation for a building project. The objective is to simulate and evaluate the performance of the smoke exhaust system under fire conditions to ensure compliance with applicable fire safety standards. Scope of work Perform CFD simulation (e.g., using ANSYS Fluent, PyroSim, FDS, or equivalent software) Simulate fire scenarios based on assumed fire load and location Analyze smoke layer height, temperature distribution, visibility, and smoke spread Evaluate effectiveness of smoke extraction fans and air replacement strategy Verify system performance against relevant codes (NFPA / SFPE / local authority requirements) Provide recommendations if system performance is insufficien...

Please be careful, you must create the 3 real PCBs; we are not interested in virtual projects. After the 3 PCBs have been successfully tested here in our office, we will release the money following the rules of freelacer.com. I will agree on the cost of the work and the time of execution with the developer. I've already built some prototypes of a circuit capable of switching a single 230 V, 16–30 A line to 4, 8, or 12 outputs—without power loss—but none of them have reached the standards I expect. I have schematics, calculations, thermal measurements, and test logs: enough material to clarify every technical detail and speed up your work. I need a senior designer who can transform all this into a final solution, complete with ESP32 firmware, a multilayer PCB (4 or...

We are seeking a highly skilled Mechatronics & Embedded Systems Engineer responsible for motor calibration, mechanical-electronic system integration, PCB quality enhancement, firmware optimization, and robust communication architecture development. The role demands strong cross-disciplinary expertise in electromechanical systems, embedded firmware, and wireless communication protocols. This position requires hands-on execution capability, system-level thinking, and ownership from prototyping to validation. --- Key Responsibilities 1. Motor Control & Calibration - Calibrate and tune BLDC motors (FOC / trapezoidal control). - Develop and optimize motor control algorithms. - Perform current sensing, torque tuning, PID optimization, and efficiency improvement. - Analyze motor performa...

I’m working through the combinational-circuits portion of my digital design course and need hands-on support to design and fully implement multiplexers and demultiplexers. The goal is to move from logic-level concepts all the way to a working circuit that can be demonstrated in the lab. Here is what I’d like from you: • A clear derivation of the truth tables, Boolean expressions, and any Karnaugh-map (or equivalent) minimisation that leads to the final gate-level schematic. • An HDL version of the same circuit (Verilog or VHDL—whichever you prefer) that compiles cleanly and is ready for simulation. • Simulation results that verify correct operation for every input combination; ModelSim, Vivado, Quartus, or Logisim waveforms are all acceptable. &bull...