Electrical Engineering Jobs

I need a single-page electrical schematic produced directly in Bluebeam Revu. The goal is a clear, professional wiring layout that I can drop straight into a larger drawing set. i will provide the drawing to modify and excel document with details. On going work. Scope • Draw the complete wiring layout on one sheet. • Work entirely in Bluebeam so I receive the native .bpx file plus a flattened PDF for quick review. Guidelines I don’t have in-house standards for this project, so follow common NEC-compliant drafting conventions and good Revu layer practice. Neat line-weights, legible symbols and a grid that prints cleanly at Arch D are all I require. Deliverables 1. Bluebeam Revu file (.bpx) with editable layers. 2. Flattened PDF ready for print. Once the fir...

I will give you a complete distortion/overdrive guitar-pedal schematic along with a list of the exact parts I want to use. Your job is to recreate that digital circuit in EasyEDA, make sure every symbol and footprint matches the components I provide, and lay out a compact, noise-conscious PCB that can go straight to fabrication. Because this is a digital circuit for an audio pedal, trace placement, ground routing, and jack positioning matter; please keep signal integrity and pedalboard ergonomics in mind while arranging the board. I’m happy with through-hole as long as the parts remain the same ones on my list. Deliverables • EasyEDA project file with the full schematic entered • Optimised PCB layout inside the same project • Generated Gerber/NC drill set ready f...

I need an AI system that can identify computer devices such as PCIE ISA PCI AGP for a pick and place machine. The AI doesn't need to have a high level of precision; an accuracy of less than 80% is acceptable. Skills and experience ideally suited for this job include: - Proficiency in AI and machine learning - Experience with computer vision and image recognition - Knowledge of computer components - Ability to develop a system with basic accuracy level (<80%) - Understanding of pick and place machines/Robotic arms - working with video machine learning - Robotics

I'm seeking a skilled PCB designer to create a board for mass production that integrates an ESP32 C3 Supermini with an HLK-LD2410C for sensor integration, specifically a presence sensor. Key Requirements: - Design must facilitate sensor integration - Components: ESP32 C3 Supermini and HLK-LD2410C - Must be suitable for mass production Ideal Skills and Experience: - Proficiency in PCB design software - Experience with ESP32 and sensor integration - Background in designing PCBs for mass production

I have a sample schematic for an ESP32-based power-control board and need a custom new board designed with additional options and make production-ready version that meets Australian mains-safety rules. Core objectives The board must run directly from the AC line via an on-board, PCB-mount AC/DC converter. From that supply it will drive four relays (10 A or 16 A) while providing accurate energy monitoring on every channel. Wireless and wired connectivity are essential: 4 G cellular, Wi-Fi, Ethernet, plus a USB interface for firmware loading. I also need Modbus for external equipment, on-board GPS for location services, and a battery-backed RTC. What I will provide • schematic of closely similar product, and datasheets for the preferred AC/DC converter, cellular module, and GPS r...

I need a detailed material tracking system for our automobile parts manufacturing unit. The system should monitor: - Inventory levels - Material movement - Operator performance Data should be visualized in tabular reports. Ideal Skills and Experience: - Experience in developing material tracking systems - Proficiency in data visualization, especially tabular formats - Background in manufacturing, preferably in the automobile sector - Strong analytical skills to interpret and present data effectively

I’m looking to schedule a concise, expert-level consultation to clarify several technical details on an upcoming construction project. At this point I mainly need a sounding board: someone who can listen to the issues I outline, ask the right follow-up questions, and provide practical, experience-based recommendations. Here’s how I picture it working: we set up a brief video or phone call (about 30–60 minutes) where I walk you through the project parameters—scope, site conditions, and the specific challenges I’ve noted. You guide me on structural considerations, code compliance, and any red-flag items I should address before committing to design or procurement decisions. If you also have insight into MEP coordination, even better, as I may have questions to...

I need a complete high-frequency RF PCB laid out in KiCad for a signal-processing application. The board must integrate antennas directly on the substrate; no filters or discrete amplifiers are planned at this stage, so every trace, via, and ground return has to be optimized for clean, low-loss feed to the antenna structure. Scope • Translate my existing schematic (KiCad format) into a production-ready multilayer layout. • Model and route all RF paths with controlled impedance, proper stack-up definition, and tight clearance to meet high-frequency performance targets. • Design and tune the on-board antenna geometry, matching network, and keep-out regions inside KiCad’s PCB editor and 3D viewer. • Run DRC, ERC, and any KiCad integrated RF simulation tools ...

Dear Sir or Madam, Good day. I am a Customs empanelled Chartered Engineer based in Chennai, India, working in inspection, valuation and technical certification of plant, machinery and industrial equipment. We are currently expanding our capability for overseas load port inspection and pre shipment inspection work for shipments moving into India. We are looking to associate with qualified Chartered or Professional Engineers in your country, from Mechanical, Electrical and Electronics, or Electronics and Communication backgrounds, who can carry out local site inspection, load port inspection, technical assessment and valuation assignments on our behalf. The arrangement would be assignment based to begin with, with the intention of building a long term working relationship as a country repres...

I'm looking for an experienced Matlab professional to assist with a project focused on State-Space control. Key aspects of the project: - The specific type of model to be created in Matlab hasn't been determined yet. - We need a deep understanding of State-Space control techniques. Ideal skills and experience: - Proficiency in Matlab is a must. - Prior experience with State-Space control is crucial. - Ability to model various systems in Matlab (mechanical, electrical, thermal). - Creative thinking to determine the optimal model for the project. - Strong analytical skills to interpret results and provide insights.

We are seeking an experienced PCB designer to create a compact, single-board PCB that integrates the following components: - High-precision GNSS receiver IC (u-blox ZED-F9P) - ESP32-S3 Wi-Fi/Bluetooth microcontroller module - 9-axis IMU (Bosch BNO055) - Buck-boost power management circuit for single-cell Li-Ion battery operation - Input protection circuitry (over-voltage, over-current, reverse polarity) - Dual antenna connectivity (SMA and connectors) The board must be production-ready, reliable in field conditions, and designed per industry standards. Deliverables include schematic, PCB layout files, BOM, and Gerber outputs. The designer can use KiCad or EasyEDA as the design tool. Full schematics, pin allocations, firmware interface details, and application context will be shared post...

Seeking layout engineer with experience in Altium, low noise analog circuitry, and EMI mitigation. This project encompasses minor updates to an existing board which has already passed EMI testing. There may or may not be a desire to further reduce emissions, but the main focus is signal processing updates.

We are seeking a Texas-licensed Professional Engineer with electrical, mechanical, industrial, or energy experience to independently review predominant-use studies prepared for manufacturing facilities in Texas. We perform the facility survey and prepare the initial study, including equipment inventory, nameplate information, photographs, utility billing history, equipment HP/kW ratings, efficiency assumptions, load/duty factors, annual operating hours, calculated annual energy consumption, and reconciliation to actual utility usage. Your responsibility will be to independently review the study methodology and calculations, identify any corrections or additional documentation you believe are necessary, and certify/sign the completed study if you determine it is accurate and appropriate. ...

I’m putting together a simple proof-of-concept: an XY plotter that uses stepper motors and a motor-driven cream / syringe head to write one predefined word on plain paper in four different sizes. The word and the sizes will be hard-coded for now; no live UI or font selection is needed. I just want to see smooth, accurate motion, clean cream extrusion, and clearly legible lettering in an “Elegant” style. Here’s what I need from you: • Mechanical design and parts list for the XY frame, rails, carriage, and syringe mount, all sized for an A4 sheet of paper. • Electronics schematic and firmware (Arduino + GRBL, or any open-source control stack you prefer) that drives two XY stepper motors plus a third actuator for the syringe. • G-code or equivalen...

I need help optimizing a pit dewatering operation that uses multiple 8" centrifugal pumps. The primary goal is to improve the water removal rate. Key Tasks: - Determine pumping requirements - Assess and calculate friction losses - Train Operators in Training (EIT) Ideal Skills and Experience: - Expertise in fluid dynamics and pump systems - Experience with centrifugal pumps - Ability to analyze and reduce friction losses - Training experience for engineering professionals

I need an expert to test and fix circuit components for a radio project. Key tasks include: - Tasting and fixing circuits on both breadboard and PCB - Primarily focusing on transistors and diodes - Diagnosing and resolving short circuits Ideal Skills and Experience: - Proficiency in working with transistors and diodes - Experience with both breadboard and PCB setups - Strong troubleshooting skills for short circuits Looking forward to your bids!

I have a working surface-EMG biofeedback prototype that is almost ready for a clinical trial. My background is in Occupational Therapy, so I need a technically-minded partner to finish the engineering details. The prototype already captures clean EMG signals, but three areas still need work before it enters the clinic: 1. Fixing the vibration sensor • Diagnose the current instability (occasional dropouts and inconsistent amplitude) • Re-calibrate and, if necessary, replace the sensor so it triggers haptic feedback within 50 ms of threshold detection • Deliver updated firmware and wiring diagram 2. Building EMG display software for Windows • Real-time data visualization (raw signal and RMS/average) • Session recording to CSV or similar fo...

I need a skilled team for constructing and equipping 16 salon studios (10x8x10 H). The project involves both construction and electrical work. Key Requirements: - Construct partition walls, install flooring, and build ceilings. - Set up electrical features: lighting fixtures, power outlets, and HVAC systems. Ideal Skills and Experience: - Experience in commercial construction and build-out. - Knowledge of electrical systems and installation. - Ability to manage multiple tasks and meet deadlines. - Attention to detail and quality craftsmanship. Looking for reliable professionals to bring this project to life.

My small home studio has turned into a tangle of power and audio leads running from a mixed-media setup—audio interfaces, a digital piano/monitor, Xbox and MIDI keyboard—all crammed beside my desk. With two curious cats that love to chew anything dangling, I need every single run concealed and protected. I’m leaning toward a purpose-built cable management system rather than opening the walls. All wiring should finish tucked neatly under the desk, routed through trays, raceways or similar hardware that keeps nothing accessible to paws or teeth. Wherever a cord must drop to floor level, please propose a solution that stays flush against furniture or baseboard so it still reads as “wireless” at first glance. Key goals • Map and re-route every existing le...

I’m working on an industrial-scale project and need an experienced electrical design engineer who can do two things equally well: walk me through existing power distribution drawings so I fully grasp every symbol, schedule, and protective device, and then translate that understanding into a complete, detailed design package for the facility. The assignment is limited to the power distribution system. Right now, the priority is a refined, code-compliant set of detailed documents—single-line diagrams, load calculations, cable and busbar sizing, breaker coordination, panel schedules, and any supporting calculations—ready for my client’s review and the authority having jurisdiction. We’ll collaborate remotely through screen-sharing sessions while you annotate th...

Must be a qualified Electrical Engineer with at least 5 years experience. I’m building a single house in Thailand, roughly between 400 sqm, and I want a clear, construction-ready three-phase electrical plan that aligns with local PEA requirements and the Thai Electrical Code (TIS). The load will be standard household appliances—nothing unusually heavy—but I still expect balanced phase distribution, proper demand calculations, and protection coordination. Here’s what I must receive: • Single-line diagram with complete load schedule and phase balancing • Detailed wiring layout in AutoCAD (DWG) and PDF, showing conduit runs, breaker sizes, earthing, and main board location • Calculation sheet covering demand factor, voltage drop, and fault current ...

I need a local technician near North Bay, Ontario, who already works comfortably with the Siemens SiPART DR24 controller to verify every field-to-board and board-to-board connection and every component on one unit that is giving intermittent faults. The focus is on connection and component testing rather than functional or algorithm checks; I want confirmation that every terminal, ribbon, plug, and socket is carrying the right signal with no unexpected resistance, shorts, or breaks, and that every component is functioning as it should. Please arrive with your own calibrated scopes, continuity meters, breakout adapters, or any other diagnostic tools you normally rely on for this class of industrial controller. Once on site you will trace and test each connection, document the readings in a...

I need a business-grade projector purpose-built for classrooms that lets teachers and students interact directly with the projected image. The core requirement is an integrated interactive touch-screen capability—think smooth, low-latency annotation right on the board—paired with the brightness and reliability expected from a presentation unit. Here’s what I’m after: • Hardware: a projection engine bright enough for well-lit rooms, plus the touch-enabled overlay or sensor array that will register multiple fingers or a stylus without calibration headaches. • Software: driver package or embedded firmware so the touch layer appears as a standard HID device to Windows, macOS, and ChromeOS. Annotation tools or whiteboard software hooks are a bonus. •...

I already hold a 34-drawing AutoCAD 2022 package for an internal fit-out scheme and now need every sheet elevated to full RIBA Stage 4 compliance for tender / construction issue. Scope of the update The existing set covers plans, elevations and basic layouts; it now requires technical depth across: • Architectural details – full dimensions, tolerances, fire-stopping notes, door & ironmongery schedules, mezzanine interfaces, etc. • Interior design elements – finishes, joinery details, reflected ceiling plans and any bespoke furniture integration. • Mechanical & electrical services – coordinated HVAC, lighting, small power, data and containment routes, all layered and annotated clearly. Key points • AutoCAD 2022 must be the native...

Hi, We have an active requirement from a buyer who is looking to acquire production-grade Automotive / Vehicle software codebases. We are specifically looking for: • Automotive / Vehicle domain projects • ECU / Firmware development • Telematics / Connected Vehicle solutions • Immobilizer / Vehicle Security / Protection systems • Vehicle Control systems • ADAS (Advanced Driver Assistance Systems) • Vehicle Diagnostics • Other software developed for or around automotive/vehicle systems **Technology:** Primarily C, C++, or Rust **Important:** The requirement is for **real production-grade codebases**, not prototypes, demos, POCs, or academic projects. The vendor/developer must have the **legal ownership/IP rights or the necessary rights to sell/tr...

I’m looking for an experienced MCC electrical engineer to prepare fully detailed control-panel layouts for a new motor control center I’m building. The scope is strictly design and drafting, so no field installation or troubleshooting is involved. The drawings must be produced to recognised industry benchmarks—UL508A and IEC 61439—and be ready for direct hand-off to our fabricator. I’m happy for you to work in AutoCAD Electrical, EPLAN, or a comparable CAD platform as long as the native files and PDFs are delivered. Deliverables • Scaled control-panel layout drawings, showing component placement, wireway, and clearances • All supporting schematic pages referenced by the layouts • Bill of materials tagged to each drawing • Final ...

I keep losing power in the living room and bedrooms whenever the same breaker flips, and the issue has become more frequent over the past week. I need someone who can come onsite, trace the wiring on that residential circuit, pinpoint whatever is causing the repeated trips, and confirm the safest long-term fix. Your job is to isolate the fault, explain what’s happening in plain language, and either correct it on the spot or give me a clear written plan—parts, labour and estimated time—so I can approve repairs immediately. A professional toolkit (multimeter, continuity tester, insulation resistance meter) and solid familiarity with domestic wiring regulations are essential. Deliverables: • On-site diagnostic of the affected circuit • Brief report outlin...

I’m ready to commission the complete electronic design for a 150-300 W pure-sine-wave solar inverter that will run from a 12.8 V / 100 Ah LiFePO4 pack and deliver 220 VAC. The unit must operate reliably indoors and outdoors, fit comfortably within a 10 × 20 cm footprint, and meet commercial-grade durability standards. Core electrical requirements • True sine-wave topology with ≥90 % efficiency under typical load • Clean 220 VAC output, THD ≤3 % at 150 W, full-power capability to 300 W • Input 12 VDC nominal, LiFePO4 profile charging via high-frequency PWM • Integrated SoC display or LEDs for real-time battery percentage and charge status Protection & safety Over-temperature shutdown, overload limiting, and fast-acting short-circuit prot...

We are a team of Electrical Power Engineering students looking for an experienced engineer or academic expert to help us identify and evaluate a strong graduation project idea. We are mainly interested in projects related to: Power Systems, Protection, Power Quality, Distribution Systems, Motor Drives, Fault Detection, Automation, Grid Reliability, and Smart Power Systems. The project should: * Solve a real and relevant electrical power problem * Include a practical physical prototype * Include a meaningful simulation using tools such as ETAP, MATLAB/Simulink, PSCAD, or similar * Be feasible for a student team within approximately 4–6 months * Have reasonable hardware cost * Be technically strong and suitable for a final-year graduation project * Preferably improve an existing sol...

We are looking for an experienced RF PCB Layout Engineer to review and complete an existing multi-radio PCB design. This is not a design-from-scratch project. The schematic, component placement and most signal/power routing are already completed. The remaining work is focused mainly on RF layout finalization and production-readiness review. Required experience: Sub-GHz / LoRa RF PCB routing LTE RF layout GNSS RF layout 50-ohm controlled-impedance routing RF matching networks antenna feed layout ground return and stitching-via strategy RF keep-outs and isolation multilayer PCB stack-up EMI/EMC-aware layout KiCad The selected engineer will be required to review the existing PCB, complete/correct the RF sections and bring the board to fabrication-ready status. Expected deliverables incl...

We are looking for an experienced Automotive Electronics / PCB Design Engineer to modify and extend an existing vehicle tracking hardware design into an OBD-II telematics device. The project will include two variants: Modern vehicles – OBD-II with CAN communication. Older vehicles – OBD-II with CAN + K-Line support. We prefer a common hardware platform where possible, with different BOM/configuration options for the two variants. The engineer must have proven experience with OBD-II, CAN Bus, K-Line, automotive power supply/protection, PCB schematic design, and vehicle telematics hardware. Initial deliverables will include the updated schematic, BOM, component selection/alternatives, interface design, automotive protection circuitry, and design documentation. IMPORTANT: Th...

I have an NXP 595-based concept that has to fit into an 18 mm footprint and be reproduced on twelve identical boards. The boards are for development and testing, yet I need production-grade documentation so I can send the files straight to fabrication and assembly without extra rework. Core requirements • High-integration layout that combines power management, signal processing and data communication on the same tiny PCB • Clean, EMI-conscious routing to keep signals reliable despite the tight real estate • All design files delivered in a mainstream ECAD package (Altium Designer, KiCad or similar) along with manufacturing outputs Deliverables 1. Complete schematic with component libraries 2. PCB layout and 3D step model in the agreed tool 3. Gerber and drill fi...

I need a small 33 x 29 mm membrane touch latching switch printed circuit board (PCB) with only 8 SMDs on it, copied for a obsolete device. I'm looking to get 100 of these made, possibly 200 depending on pricing. I can send the 6 component list and photos of the circuit board and a complete circuit board is this 2 sided. The active devices are a ATMEL TINY 13A (needs programming and a PA1CD (i think it's a zener diode, 4 resistors and 1 capacitor. On the decal side there is a small led that lights when latched. It needs to be copied exactly because this switch circuit gets glued into a recess in a plastic case with cutouts for the components so the board lays flat. I may not need the switch decal. Run on a 3.7VDC battery. Key Requirements: - Exact replication of the existing PCB...

I have a consumer-electronics project that is almost ready for production, but I need a fresh set of expert eyes before I commit to tooling. Your job is to scrutinise every level of the design and give me a concise, actionable report. Scope of the review • Schematic – confirm AC isolation, creepage distances, relay selection and power-supply safety. • PCB layout – check placement, clearances, return paths and routing discipline. • BOM – verify component availability, footprints, part compatibility and RoHS compliance. • Firmware – validate logic for sensors, alarms, GSM SMS/call handling, relay control and fail-safe behaviour. • Safety & compliance – highlight anything that could jeopardise CE (LVD/EMC) readiness and fla...

We are looking for skilled and reliable Field Service Technicians across the United States to support on-site repair and maintenance tasks for electromechanical equipment. This project is ideal for technicians who enjoy hands-on troubleshooting, working with hardware components, and following structured repair procedures. You will receive repair instructions and remote support while completing component replacements and repairs at customer locations. What You’ll Do * Perform on-site repairs and component replacements on electromechanical equipment * Diagnose issues and troubleshoot hardware problems using provided video-based SOPs and remote guidance * Disassemble and reassemble equipment safely and efficiently * Replace modular components such as: * Pumps * Servo mot...

I already have complete architectural floor plans for a private villa. What I still need are fully coordinated Mechanical, Electrical, and Plumbing drawings that I can hand straight to the local authorities and the contractor without further revisions. Scope of work • Reflected ceiling plans that show both the HVAC distribution and all lighting points. • Electrical layouts covering GPOs, power circuits, distribution boards, access points, lift supply, and all rooftop equipment. • Plumbing layouts for every wet area, including vertical stacks, the rooftop kitchen, and the pool plant. • Life-safety layouts—detectors, exit signs, and call points—fully integrated with the electrical set. • Rooftop services drawings for solar panels, inverter, ded...

I’m looking for a skilled mechatronics specialist who can jump straight into the electrical and software-programming sides of my machine-building project. The mechanical portion is already under control in-house, so your focus will be integrating, testing, and refining the control electronics and embedded code that drive the system. You should be comfortable reading and updating wiring schematics, selecting or replacing critical components, and writing clean, well-documented firmware or PLC logic that keeps everything running reliably. If you can also implement quick diagnostic routines and safety interlocks, even better. Scope at a glance • Review existing electrical design, spot weak points, propose improvements • Develop or optimise the control software (C/C++, Pyt...

I'm looking for a skilled developer to write C++ code for an ESP32-based drone equipped with an MPU6050 sensor. The code should handle both flight control and sensor data processing, using Wi-Fi as the communication protocol. Key Requirements: - C++ programming expertise - Experience with ESP32 and MPU6050 - Knowledge in drone flight control algorithms - Proficiency in sensor data processing - Wi-Fi communication protocol implementation Ideal Skills: - Background in robotics or drone development - Familiarity with relevant libraries and frameworks - Strong problem-solving skills - Ability to provide well-documented and maintainable code - It also has flysky transmitter and ibus receiver Please share any relevant experience in your bids.

I’m leading a senior-year project where my student team will build and test an induction-motor drive (motor, VFD, sensors, protection, filters, the works). What we’re missing is seasoned electrical-engineering insight during the DESIGN phase. Here’s what I’d like from you: • Review and refine our single-line and wiring diagrams, ensuring safe operation on a 3-phase, 480 V supply. • Help size and specify the motor, VFD, fuses/MCB, contactors, braking resistor, EMI/RFI filters, current/voltage sensors, and any surge- or overload-protection devices. • Validate thermal calculations, harmonic considerations and grounding/shielding practices. • Provide a concise Bill of Materials with part numbers and vendor suggestions, flagging long-lead or co...

I have a consumer-electronics concept ready for the next step and need a clean, production-ready double-layer PCB layout. The board will host a mix of through-hole and surface-mount parts, so component placement and routing must accommodate both styles without ballooning the footprint. Deliverables: • Finished design files in Altium and industry-standard Gerbers • Drill files, pick-and-place data, and a tidy BOM (Excel or CSV) • Test PCB's with assembly I will review the Gerbers in ViewMate and run a quick fit-check in our enclosure CAD; the project is complete once the files import cleanly and the report answers all open questions. Looking for someone in India, Delhi NCR Region. Thanks

I need an experienced Allen Bradley programmer to spend a few days on-site at a production facility in the Emirates. The installed PLC platform is ControlLogix, and the goal is simple: get the line running smoothly again by finding and clearing the underlying faults. You will connect with your own laptop loaded with Studio 5000 / RSLogix 5000, RSLinx, and the usual Allen Bradley diagnostics utilities, trace the error path, implement a solid fix, and document exactly what was changed so my maintenance crew can follow up later. A quick hand-over session with the local technician at the end of each day keeps everyone aligned. Daily rate is 68 USD; travel and accommodation are handled separately. If you have a track record of fast, methodical troubleshooting on ControlLogix platforms and can...

We are a team of Electrical Power Engineering students working on our senior graduation project. We need an experienced Electrical Power Engineer to provide technical guidance and engineering support for designing, simulating, and building a physical prototype. The project focuses on detecting power-quality disturbances (Voltage Unbalance and Harmonics) affecting a three-phase induction motor, diagnosing the disturbance, and applying automatic corrective actions in a closed-loop system. Key areas include: 1. Hardware Prototype Development: Guidance on architecture, component selection, electrical design, sensing/isolation, protection, wiring, testing, and troubleshooting for components like three-phase induction motors, VFDs, ESP32-based data acquisition systems, harmonic filters, capaci...

I need a compact firmware-and-hardware solution that lets a PIC microcontroller, programmed with the XC8 compiler, manage a battery-powered power supply built around a lead-acid pack. Here is what I am after: the PIC should start up from the battery, regulate or switch the output rails as required, continuously read the pack voltage, temperature or any other basic health indicators, and trigger clear actions (for example, low-voltage cutoff or status signalling) before the battery reaches critical limits. A simple serial, I²C or even LED indicator scheme is fine for status feedback—as long as I can read the key parameters easily during bench tests. Please base the code on MPLAB X + XC8 so I can compile and tweak it locally. If you prefer a specific mid-range PIC that is re...

I already have a universal BLDC ceiling-fan driver PCB running perfectly from mains power; what it lacks is an Arduino brain. My goal is to plug an Arduino (Uno, Nano, or whichever you prefer) into the existing driver so I can: • adjust fan speed across its full range, • reverse the direction on command, and • set on/off timers, all through a small set of physical push-buttons mounted near the fan. What I need from you is a clean, well-commented sketch plus a minimal wiring diagram that shows exactly where every button, resistor, and logic-level signal ties into the driver board. If any level-shifting, opto-isolation, or triac/FET gating is required, please spell that out and include the component values. Debounced button handling and non-blocking timer logic (e.g., u...

I’m building a proof-of-concept noise-reduction module destined for consumer-grade electronics. My priority is an electronic schematic that delivers two core capabilities: active noise cancellation and echo reduction. The circuit must be small enough to embed in another typical product that will be mentioned later on as the project develops. Here’s the flow I have in mind. First, we collaborate on the signal-processing topology—feed-forward, feedback, or hybrid—then translate it into a detailed schematic and PCB layout (Altium, KiCad, or your preferred EDA). Once the draft design is ready, I’ll need simulations or bench measurements that prove at least 20 dB attenuation in the 50 Hz–2 kHz band while holding latency under 10 ms; please include SPICE plot...

I’m assembling a training corpus for a math-focused large-language model and need a calculus specialist to enrich selected research papers with clear, accurate explanations of every sophisticated step. You’ll read each PDF, insert concise LaTeX-formatted comments that unravel dense derivations, and flag any ambiguous notation so the model grasps the intended meaning. Deliverables • Annotated PDF (or .TEX) with inline clarifications • Companion JSON that maps each comment to its passage and supplies a one-sentence paraphrase Acceptance criteria • All non-trivial calculus moves are explained in ≤3 sentences, free of factual error • Original math notation preserved; added text compiles in LaTeX • File names and JSON keys match the template I...

My final-year electrical engineering project is well underway, but I want the written report to reflect the same level of professionalism as the technical work behind it. I will handle all calculations, simulations, and data; what I need is an experienced engineer—or a writer who routinely prepares professional engineering documents—to help me shape that material into a clear, cohesive LaTeX manuscript. I have 2 separate reports to write. The topic of the first is programming and security-related. The second report is analogue circuit-based. As I said i will do all the technical work; I just need help putting these documents together. The submission for these reports is at the beginning of November and should be roughly 30 pages long. Scope of collaboration • Co-writi...

I need a Simulink model that lets me design and test a full state-space control system in both continuous-time and discrete-time forms. The goal is to compare the two implementations side by side inside the same project so I can evaluate performance, stability margins, and implementation effort before moving to hardware. I will provide the plant dynamics and desired performance indices as soon as we start. From there, I’d like you to: • Build the continuous-time state-space controller in Simulink, organised with clear subsystems for A, B, C, D matrices and any pre-compensators or observers you feel are appropriate. • Create the matching discrete-time version (sample time will be specified) and place it in a parallel branch of the model for direct simulation comparison. ...

I need a lighting-product specialist to translate my chandelier concept into a full set of manufacturing-ready 2D working drawings. The package must let my fabricator move straight into production, so every sheet has to spell out precise dimensions, complete material specifications and clear electrical-wiring information. You’ll be dealing with decorative, multi-tier pieces similar in style and complexity to fixtures produced by Klove and Emane, so prior experience with either brand—or another high-end bespoke lighting studio—is a major plus. I’m comfortable reviewing files in AutoCAD or an equivalent CAD platform; final deliverables should arrive in both editable DWG and print-ready PDF formats. Deliverables 1. Scaled general arrangement drawing showing plan, ele...

I have a run of modular cabinets to put through the shop and need a clean, production-ready cut list built around the way we work. All boxes are being fabricated from 18 mm plywood, processed on our panel saw, laminated in the cold press, edged on a single-sided edgebander, then drilled on a two-head multi-boring machine. You will take the cabinet dimensions I provide and translate them into a fully optimised sheet yield, complete with part names, finished sizes, grain direction, edging indications, and drilling references so every station knows exactly what to do next. Optimisation should target standard 2440 × 1220 mm boards and minimise off-cuts. Deliverables • Excel (or CSV) cut list with quantities, sizes, edging sides, and drill notes • Nesting layout/PDF for t...