The ultimate guide to hiring a web developer in 2021
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Prototyping is a process used to quickly create a model of a product or prototype in order to examine its key features before proceeding with production. Prototyping enables development teams to explore various solutions, rapidly generate multiple designs and refine them into the best possible solution. This method helps to save time, secure a budget and secure interest during the presentation. Through prototyping, a client can test different designs and make quick changes without the costly process of creating a 3D model as a proof of concept or creating an actual product pre-release.
A Prototyping Expert can assist clients in turning concept or sketches into interactive prototypes and wireframes that showcase the design of the product with details. This way, clients gain a better understanding of their product’s potential look and feel at an early stage, keep their project on budget and reach their desired outcomes while verifying along the way its usability characteristics.
Here's some projects that our expert Prototyping Experts made real:
At Freelancer, we have experts who can help you take your idea from concept to completion through rapid prototyping. Our professionals have the skills necessary to create prototypes from sketches, make them interactive, customize them with style and create useful wireframes. Contact us now to get started on your prototype project and hire a dedicated Freelancer Prototyping expert today!
De 16,934 opiniones, los clientes califican nuestro Prototyping Experts 4.9 de un total de 5 estrellas.Prototyping is a process used to quickly create a model of a product or prototype in order to examine its key features before proceeding with production. Prototyping enables development teams to explore various solutions, rapidly generate multiple designs and refine them into the best possible solution. This method helps to save time, secure a budget and secure interest during the presentation. Through prototyping, a client can test different designs and make quick changes without the costly process of creating a 3D model as a proof of concept or creating an actual product pre-release.
A Prototyping Expert can assist clients in turning concept or sketches into interactive prototypes and wireframes that showcase the design of the product with details. This way, clients gain a better understanding of their product’s potential look and feel at an early stage, keep their project on budget and reach their desired outcomes while verifying along the way its usability characteristics.
Here's some projects that our expert Prototyping Experts made real:
At Freelancer, we have experts who can help you take your idea from concept to completion through rapid prototyping. Our professionals have the skills necessary to create prototypes from sketches, make them interactive, customize them with style and create useful wireframes. Contact us now to get started on your prototype project and hire a dedicated Freelancer Prototyping expert today!
De 16,934 opiniones, los clientes califican nuestro Prototyping Experts 4.9 de un total de 5 estrellas.Necesito un diseñador/desarrollador web junior —o estudiante con ganas de sumar experiencia— para crear un MVP funcional que imite lo esencial de Tutoringate. El objetivo es una maqueta navegable que me permita mostrar la idea a potenciales usuarios e inversores. Alcance mínimo (presupuesto ajustado): • Sistema de perfiles de usuario para tutores y estudiantes. • Mensajería interna básica entre perfiles. • Calendario de reservas sencillo con horas disponibles y confirmación. • Sección de reseñas para que los estudiantes valoren a los tutores. La interfaz debe seguir un estilo clásico y profesional: colores sobrios, tipografía limpia y estructura clara; móvil-first y responsive. En...
Busco a un diseñador industrial / gráfico que me ayude a crear un plato para gatos con un estilo moderno y su respectivo empaque listo para producción. Alcance esperado • Concepto de forma y ergonomía del plato pensado para felinos (altura, curvatura y capacidad). • Bocetos preliminares y, tras mi aprobación, modelado 3D con renders fotorrealistas que muestren textura y color. • Archivo técnico con medidas, especificaciones de materiales y sugerencia de acabados seguros para alimentos. • Diseño estructural del empaque (dieline) y arte gráfico exterior coherente con la línea moderna. • Entrega de archivos editables (por ejemplo, .STEP/.OBJ para el plato y .AI/.PDF para el empaque) más...
Quiero un prototipo funcional para un sitio web informativo construido sobre WooCommerce. Mi objetivo en esta fase es ver la estructura, navegación y aspecto visual antes de pasar a desarrollo completo. Lo que necesito: • Wireframes claros de las secciones clave (home, página de servicios, contacto y blog). • Guía de estilos con paleta de colores, tipografía y componentes reutilizables. • Prototipo navegable en una herramienta como Figma o Adobe XD que muestre menús, llamados a la acción y formularios básicos. • Documento breve explicando cómo la arquitectura propuesta aprovecha WooCommerce para que, si decido añadir una tienda más adelante, la transición sea fluida. Busco una entrega o...
I'm seeking an experienced designer to develop CAD files for a thin plastic quarter turn fastener and receiver specifically for use in bags. This project requires a combination of innovative design and practical application, ensuring that the final product meets both aesthetic and functional standards. Key Requirements: - Application: Designed specifically for various bag applications, including but not limited to backpacks, tote bags, and travel bags. - Design Specifications: - Contains three components 1. Receiver plate, 1/4 turn locking mechanism, flat bottom 2. Top plate, 1/4 turn knob 3. Securement plate to connect to Top plate around bag material - Must be thin and lightweight to minimize bulk while maintaining strength. - High durability is essential to wi...
I’m ready to launch a fully-featured online store and have chosen WooCommerce as the engine behind it. The job covers both visual design and technical build, so the finished site should feel modern, interactive, and effortless for customers to navigate on any device. This project requires reconfiguring an open source Prestashop prototype website to a WordPress WooCommerce Shopify Hybrid with expanded functionalities and design. -Design, maintain, and code the look and feel of responsive pages on the website. -Deliver improvements and optimizations to existing features; -Be a strong advocate for excellent user experience and recommend solutions; -Create wireframes, prototypes, and mockups for new features for the website; -Collaborate with the marketing and sales teams to gain addit...
Freelancer Requirement: Design & Development of Long-Range Electric UAV (Stealth Capable) We are seeking an experienced UAV design and embedded systems expert/team to collaborate on the end-to-end development of a long-range electric drone with advanced capabilities. Project Overview We are building a high-endurance unmanned aerial vehicle (UAV) with the following target specifications: Flight Time: ~16 hours Payload Capacity: 5 kg Base Weight (without payload): ~45 kg Propulsion: Electrically powered (Single fan propulsion system) Configuration: Fixed-wing / hybrid (open to expert recommendations) Special Requirement: Low observability / radar signature reduction (stealth-oriented design) Should have AI capabilities to take decision Purpose : Survillance Scope of Work 1. UAV D...
We are seeking freelancers for advanced research-based projects that go beyond theoretical concepts. This work requires: Development of a working prototype (physical, simulated, or hybrid) Strong mathematical modeling to support the concept Ability to translate theory into practical, testable outcomes Clear documentation of methodology, assumptions, and validation Ideal candidates should have experience in areas such as engineering, applied mathematics, physics, or computational modeling. This is not a basic research or content-writing task—we are specifically looking for individuals who can design, build, and validate real solutions. Please share relevant past work, especially projects involving prototypes and mathematical frameworks.
Dear Team, Requirements: Mobile phone charger Input' wall mount - universal Output: USB-A BC1. 2 and USB-C PD3. 0 Power: 20W USB Type C PD: IEC 62680-1-2/3 comiance is a must USB Type A legacy port Interoperability : IEC 63002 compluance is a must USB-IF compliance is a must Dynamic power sharing CE and FCC EMC compliance is a must according EN 55032/5 Effeciency: EU CoC Tier2 Tast transient responce is a must Regulation 5% @ max load Reinforeced isolation Safty compliance according IEC 62368-1 is a must Environment: working temprature >80 C Board size:30x35mm Deliverables : Full Schematic Design using Cadence or Altium only Full PCB design : Using Cadence or Altium only Circuit simulation using PSpice or LT spice Full mathematical modeling, including transfer functiobs and comp...
I'm looking for a skilled designer or engineer to create a pet stroller specifically for medium-sized pets (20-50 lbs). The key requirement is that the stroller must have a foldable design for easy storage and transport. Ideal skills and experience include: - Experience in designing pet-related products - Knowledge of materials and mechanisms for foldable structures - Understanding of safety and comfort for medium-sized pets
I’ve thought of a product that springs to life at the tap of a phone or web button, and I need a talented maker to turn that idea into a fully functioning prototype. The core is a pop-up mechanism—whether you favor solenoids, springs, or a tiny geared motor, I’m open—as long as it rises smoothly, reliably, and safely. Control will come from a Raspberry Pi or Arduino (again, whichever you feel best suits the task), with clean wiring and firmware that listens for a remote trigger. Alongside the hardware, I’ll need a very lightweight app or web page that exposes a simple trigger; bonus points if you can add basic status feedback without over-engineering. I’m happy to supply sketches and dimensions. To keep the conversation focused, please share: • P...
I'm seeking an experienced developer to write a research paper on Leveraging Virtual Reality (VR) to Enhance Efficiency, Cost-Effectiveness, and Capability Development in U.S. Air Force Acquisition. Outline listed below Research Question/Topic (Draft – Please update). How can VR-enabled digital twins and simulators enhance efficiency, cost-effectiveness, and capability development in U.S. Air Force Acquisition? To what extent can VR-based mission scenario simulations align acquisitions decisions with operational requirements and increase mission effectiveness? Systems Development & Prototyping • Virtual Prototyping for Faster Procurement: Leveraging VR digital twins to visualize, test, and refine aircraft, weapons systems, or software before production. • VR for ...
I’m looking for help improving specific parts of an existing desktop application used by remote teams. The app includes several system states such as active, idle, paused, and syncing. Right now, these states are not clearly communicated, and users are not always sure what the system is doing. The main focus is on improving state transitions and making system behavior easier to understand during normal use. I’d like you to review the current flows, identify where confusion happens, and suggest clear improvements to how states, transitions, and feedback are presented. This is a focused task, not a full redesign. If your approach aligns well, there may be follow up work.
I'm looking for an experienced PCB designer to create multiple PCBs for an integrated control system. The project includes: 1. Current Sensing PCB: - Type: To be determined (shunt resistor, Hall effect sensor, or Rogowski coil) 0 to 20 amps at 240 volt 2. Motor Control PCB: - Function: Control a motor with two limit switches - Control Method: Direct ON/OFF control no limit switched required if can find away around 3. Relay Control PCB: - Components: Two relays (one normally closed, one normally open) 4. Touch Screen Interface PCB: - Function: Control and monitor all PCBs has the main power coming in at 240 volt and is the brain behind the can bus 5. Communication Adapter PCB: - Function: Split communication cable all pcbs will communicate over a cable and ...
LUXURY HOMEPAGE DESIGNER — THE ETERNITY ROSE (FIGMA + MOTION SPECS) We are a premium gifting brand specialising in 24k gold-dipped, platinum-dipped, and silver-dipped natural roses, glazed roses, and luxury boxed rose collections. We sell globally to a discerning, affluent audience and position ourselves alongside brands like Tiffany, Swarovski, and Baccarat. We have a brand new Magento website near completion — product pages, navigation, and all core functionality are finished. The homepage is the final piece before launch. We have a developer ready to implement. We need a designer only. WHAT WE NEED A complete luxury homepage design for a single long-scroll page, delivered as: High-fidelity static mockups in Figma (desktop 1440px and mobile 375px), fully organised with name...
we already did a backend where we need some improvements, you need to design pages under figma and give your ideas. i will quide you on this, we need a creating Figma Designer. Thanks
I'm looking for a skilled developer to create an EMG wearable device designed specifically for fitness environments. The primary function of this device is to monitor muscle activity across all major muscle groups—arm, leg, and core muscles. Key requirements include: - Accurate real-time monitoring of muscle activity - User-friendly interface for fitness enthusiasts - Durable and comfortable design for active use - Data analytics feature to track performance over time Ideal skills and experience: - Background in biomedical engineering or related field - Experience with EMG technology and wearable devices - Strong software development skills, preferably in mobile app integration - Knowledge of fitness industry standards and user needs Please provide examples of similar work d...
I'm seeking a high-fidelity prototype for a research paper focused on user experience. The prototype should include a navigation menu and a search bar, and incorporate two interactive features such as clickable buttons. Ideal Skills and Experience: - Expertise in UX/UI design - Experience creating high-fidelity prototypes - Proficiency in design tools like Figma or Adobe XD - Strong understanding of user interaction and usability principles - Ability to integrate interactive elements effectively Please ensure the prototype is visually appealing, user-friendly, and meets academic standards.
I’m looking to build a simple wearable mask prototype that combines light and vibration to create a relaxing sensory experience. The device should include LED lights (preferably RGB) positioned so they shine through closed eyes and run different light patterns. It should also include 1–3 small vibration motors that sync with the light patterns to enhance the experience. I’d like a few basic modes such as calm (slow and soft), medium, intense, and a random mode that generates varying patterns. The patterns should transition smoothly and not feel harsh or abrupt. The device should be controlled with 2–3 simple buttons (power and mode switching). No app or connectivity is needed. It should be powered by a rechargeable battery (USB-C preferred). The physical build d...
My company Quimper Bike Components, based in Victoria, BC, is seeking a talented Mechanical Engineer or Gear Specialist to finalize the design of a high-density, compound planetary human-powered bicycle gearbox. This system is specifically engineered for high-torque, human-powered mountain biking, focusing on efficiency for steep mountain climbs. Responsibilities: Design and organize a complete STEP file including the gearbox, shifter, cranks, front chainring and rear chainring, Ensuring smooth power flow across all 16 speeds, optimizing for high-density packaging within standard bicycle frame constraints. You must also create a 5-minute explainer video detailing the internal logic, power flow paths for specific gears, and mechanical advantages so the Quimper Bike Components team may unde...
I'm looking for an innovative design for a portable strength training machine using resistance bands. Key requirements: - Adjustable resistance levels - Multiple attachment points for versatility - Portable for easy transport and storage Ideal skills and experience: - Experience in fitness equipment design - Mechanical engineering background - Knowledge of resistance band training Please provide a portfolio with relevant projects.
I’m building a palm-sized device that helps automate at-home medication. Inside it sit two independent plungers driven by micro servos, a vibration motor, a small speaker for audio prompts, and a 1.68-inch colour display for on-device instructions and feedback. All of these elements need to live on a custom PCB, run from a single rechargeable battery that is properly sized for daily use, and work seamlessly together. You will receive the full parts kit, so your focus is on: • designing the board, • assembling and reflowing it, • loading the firmware, and • proving that everything operates exactly as intended. The most important interaction is tight, reliable coordination between the user’s button press (or other trigger you recommend) and the t...
I need a custom harness to connect a Wi-Fi enabled smart door lock, potentially including installation assistance. Requirements: - Design and build a functional harness - Compatibility with Wi-Fi smart door locks - Potential installation support Ideal Skills: - Experience with electronic hardware - Knowledge of smart home devices - Proficiency in installation and setup
I’m putting together a fresh, modern UI for a water-delivery service and I need the complete flow mapped in Figma for both iOS and Android. The goal is to hand developers a clickable prototype that already answers every usability question, so screens, components and states all have to be clearly laid out and named. The product experience should cover: • A smooth user onboarding flow with login and registration • Real-time order tracking that feels intuitive on any screen size • A secure, well-integrated payment gateway • Separate, fully featured log-ins for multiple vendors so suppliers can manage their own orders Please build the design around contemporary mobile patterns—clean typography, generous whitespace, restrained color accents—and keep...
Tôi đã có sẵn bản thiết kế phần vỏ của máy bán bắp rang dạng túi. Giờ tôi cần bạn lo trọn phần “ruột”: 1. Thiết kế toàn bộ kết cấu và cơ cấu bên trong dựa đúng khung vỏ hiện có, bảo đảm máy có thể: • Đổ hạt, nổ bắp, ướp gia vị và đóng vào túi. • Giữ nhiệt an toàn, chống kẹt hạt và vận hành liên tục như mô hình “ポップコーン自販機 仕組み” mà bạn có thể tham khảo trên mạng. 2. Lên danh sách vật tư (BoM) kèm mã linh kiện, nhà cung cấp gợi ý và báo giá ước tính để tôi dễ đặt hàng. Tài liệu t&oc...
I'm looking for a **professional designer specializing in or highly skilled in luxury products** to develop a creative direction and prototypes for a women's handbag brand inspired by Arabian heritage with a contemporary spirit. This project is not just about sketching handbags, but about building a **design language and product identity** that can later be developed into a fully-fledged, manufacturable, and commercially viable brand. This project is not suitable if you: Rely on pre-made templates or recycled ideas Focus solely on visual presentation without understanding the product Lack a portfolio closely related to luxury products Do not differentiate between aesthetic design and manufacturable design Send generic proposals without reading the details I need someone who un...
I’m inviting a handful of practicing hardware engineers or PCB designers to spend about 15 minutes inside my pre-launch web app, PartPilot (). Upload a BOM or punch in a part number, then tell me—straight, no sugar coating—what keeps this from becoming a tool you’d lean on every day. During my own testing, the ability to see stock information across four distributors in one glance feels like the killer feature, but I need fresh eyes. Point out what’s confusing, what’s missing, and what would make you actually pay for Pro. How this works • You must have real-world PCB experience; KiCad users are ideal, though Altium or EasyEDA is fine too. • Reply with a line or two about your experience designing boards or managing component sourcing. No ...
Our engineering team has finalised the PCB, battery pack and wiring harness for a dual-grip handheld device. Now I need the outer skin modelled in Fusion 360 with true Class A quality. The job centres on sculpting the left and right grips so they flow seamlessly into the central body, keeping G2 curvature throughout. Real-world ergonomics drive every line: the grips must stay comfortable during long sessions, accommodate a wide range of hand sizes and allow for a future non-slip texture. Think of the feel of the best gaming controllers rather than a simple plastic shell. Because this will go straight to tooling, every surface must be watertight, draft-aware and suitable for plastic injection moulding. I will share the internal component envelope; your model has to respect mounting boss...
I need a complete electronic design for a next-generation health-monitoring smartwatch whose signature element is a high-resolution micro camera mounted flush to the wrist side of the case. That camera will analyse the wearer’s skin to extract deeper, image-based health insights beyond the usual heart-rate and SpO₂ readings. I am open to your proposals on exactly which metrics image processing can reveal, provided they are scientifically sound and can be handled by an embedded processor in real time. Core hardware requirements • High-resolution skin-facing camera, paired with a wearable-class microprocessor powerful enough to process or compress the image stream on-device. • Minimum 16 GB on-board storage for captured data. • Bluetooth for data sync, a vibrant T...
I am kicking off the concept-generation phase for an ear-based light therapy device aimed at adults who struggle with sleep. I need a creative industrial designer who can translate user-centered insights into a range of fresh, visually compelling ideas that we can later shortlist for detailed development, CAD and prototyping Scope of work • Immerse yourself in the sleep-aid market and the daily routines of adults with insomnia or circadian rhythm issues. • Explore form factors that sit comfortably on—or in— the ear while directing gentle therapeutic light to the auditory canal or surrounding tissue. • Balance aesthetics, ergonomics, safety, and ease of use, keeping in mind eventual manufacturability. Deliverables 1. A minimum of 4–6 disti...
I need a production-ready printed circuit board for a compact consumer-electronics tracker. The board has to combine Bluetooth connectivity for smartphone pairing, GNSS positioning for global location data, a LoRa module for long-range updates, and a 3-axis motion sensor to wake the unit only when it moves. Everything will run from a single rechargeable battery, so careful power budgeting and a low-power microcontroller are essential. Form-factor will be small enough to slip into a key-tag style enclosure, so component height and antenna placement must be considered from the start. I’m flexible on the exact silicon—Nordic, Espressif, STM, Semtech, etc.—as long as you can justify part choice against current draw, cost and global availability. Please take the design from ...
Saya membutuhkan bantuan untuk merancang antarmuka dan pengalaman pengguna sebuah aplikasi Android yang tengah saya bangun. Targetnya sederhana namun jelas: layar-layar utama terlihat menarik, alur navigasi terasa natural, dan keseluruhan desain mengikuti prinsip Material Design agar mudah diimplementasikan. Ruang lingkup pekerjaan: • Membuat user flow ringkas yang memetakan perjalanan pengguna dari onboarding hingga fitur inti. • Menyusun wireframe low-fidelity sebagai kerangka awal, lalu mengubahnya menjadi mock-up resolusi tinggi. • Menetapkan palet warna, tipografi, ikon, dan komponen UI konsisten dengan identitas merek. • Menyediakan prototype interaktif di Figma (atau alat serupa) agar pengujian dapat langsung dilakukan di perangkat Android. Kriteria has...
We are OMM Enterprises, a company engaged in machine manufacturing and sales, including paper plate machines, roti making machines, and other automation equipment. We are looking for a practical Pneumatic Design Engineer or Freelancer who can help us design and improve pneumatic systems for our machines. --- Scope of Work: - Design simple and efficient pneumatic circuits - Suggest suitable components (cylinders, valves, compressors, fittings) - Create technical drawings and layouts (AutoCAD / SolidWorks preferred) - Focus on cost-effective and reliable system design - Provide guidance during implementation if required --- Requirements: - Experience in pneumatic system design or machine design - Basic understanding of industrial automation - Ability to create practical, working desig...
I'm looking for a skilled developer to create a unique vocal training device that incorporates wearable technology. This device will be designed to fit around the neck, utilizing sensors and Bluetooth tech. Key functionalities: - Real-time feedback on vocal performance - Visual feedback on a connected app Ideal Skills and Experience: - Expertise in wearable technology development - Proficiency in sensor integration and Bluetooth connectivity - Experience in building user-friendly mobile applications for real-time data display - Background in audio processing or vocal training technology is a plus Please provide samples of similar work and a rough timeline for project completion.
I need three 7-10" quad-copters professionally put together and flight-tested in the UK. All the parts will be shipped directly to you; once they arrive I’d like the build, setup and maiden flights completed within roughly a week. Core spec: • Air-frames: 7-10" class • Electronics we will supply: FPV camera, GPS module and an onboard Raspberry Pi for extra processing • Flight controller: whatever board you are comfortable with, as long as the final stack runs PX4 flawlessly • Power: LiPo packs – please balance, secure and tune for safe discharge rates Your job starts with a clean assembly, neat soldering and reliable cable management, then moves on to firmware flashing, PX4 configuration, PID tuning and a short hover/flight test tha...
I am building a new solar-hybrid inverter around an Infineon reference design and need an experienced technical advisor who can work with me on-site in Bangalore, part-time, through the entire prototype cycle. Your guidance is required across hardware design, firmware development, hardware fabrication, integration and final testing. Most of the base schematics and application notes from Infineon are in hand; what I need now is a sharp eye and skilled hands to adapt those documents to my exact power ratings, oversee PCB layout iterations, supervise fabrication, bring the boards up safely, write and debug the control firmware, and validate the finished prototype under load. Expect plenty of hands-on lab work—oscilloscopes, power analyzers, thermal cameras, rework stations—plus...
I need a clean, well-commented Arduino sketch that drives a small traffic-light prototype using LEDs, push-buttons, and a couple of sensors (e.g., ultrasonic or IR) to regulate flow rather than just cycle through a fixed sequence. The idea is to simulate a real intersection where vehicle presence triggers state changes while manual override buttons allow testing of special conditions. Here’s what I expect: • The code must compile on the current Arduino IDE without extra libraries beyond the standard ones. • Normal operation: red, yellow, and green LEDs follow proper timing, but a vehicle-detection sensor shortens or extends green time to keep traffic moving smoothly. • A pedestrian button interrupts the flow safely, inserting a walk phase before resuming. &bul...
I am developing a wearable electronic device for sports such as padel or tennis that allows players to easily record points during a match. The system consists of a small button worn on the player’s shirt that communicates wirelessly with a courtside speaker. When the button is pressed, the system updates the score and announces it audibly. Current Stage: Prototype development. The goal is to design a functional, low-cost, and manufacturable electronic system that can later be scaled to production. System Components: 1. Wearable Button Unit * Small, lightweight device clipped to the player's shirt * Single push button input * Bluetooth Low Energy (BLE) communication * Rechargeable battery (Li-Po) * USB charging circuit * RGB LED status indicator: * Gr...
I need a complete PCB solution for a BeagleBone-based light pod whose primary purpose is, quite simply, “Lightpod.” The concept is already proven on a breadboard; now I want a production-ready board that consolidates the BeagleBone, LED drivers and all supporting circuitry into a compact, manufacturable form factor. What I expect from you • Schematic capture that respects BeagleBone design guidelines and pin-muxing constraints • Optimised PCB layout compatible with standard four-layer fabrication, mindful of thermal paths for high-current LED channels • Clean, clearly annotated BOM with sourcing that avoids hard-to-find parts • Manufacturing outputs (Gerbers, drill files, assembly drawings) plus original design files so I can iterate later in KiCa...
I’m developing a smartwatch-style device and need a compact micropatch (microstrip patch) antenna that operates reliably at the 2.4 GHz Wi-Fi/Bluetooth band. The form factor has to suit a wearable, so low profile, light weight, and body-proximity tolerance are all important. What I need from you: • A complete electromagnetic design of the patch, dimensioned for common FR-4 or flexible substrates and tuned for 50 Ω matching at 2.4 GHz. • Full-wave simulation files (HFSS, CST, ADS, or similar) showing S11 below –10 dB, realistic radiation efficiency, and a clear far-field pattern when mounted on a small ground plane typical of a watch. • Fabrication-ready outputs—layout, Gerber/ODB++, and a concise design report explaining the stack-up, matching me...
**Project Title:** Industrial/Product Designer Needed for Smart Student Pickup Wristband System **Project Description:** We are looking for a talented **product designer / industrial designer** to create the visual concept and product design for a **smart student pickup system**. The concept consists of two main physical devices: 1. **A smart wristband for the child** 2. **A small handheld controller for the driver or parent** The purpose of the system is to allow the authorized driver or parent to send a **private pickup alert** to the child during school dismissal time. When the driver sends the alert, the child’s wristband should: * light up * vibrate * produce a short sound This allows the child to know that the authorized person has arrived, without relying on public call...
I’m building a compact embedded platform that runs from a single 12 V supply and I need a purpose-built PCB to act as the system’s brain. The board has to host a microcontroller at its core, interface cleanly with several sensors, and drive multiple actuators, all while keeping noise low and layout tight. Here’s what I’m looking for: • Complete schematic capture showing microcontroller, sensor inputs, actuator drivers, power-conditioning and protection circuitry • PCB layout ready for manufacture (Gerber/ODB++ files, drill, pick-and-place, clear layer stack details) • Bill of materials with part numbers that are currently available from major distributors • Basic power-up simulation or design rule check report proving the 12 V rail and o...
I need a clear, ready-to-build circuit diagram that closes the voltage feedback loop on the DC bus of an off-grid inverter running in the 12 V – 24 V range. The diagram must show how a suitable voltage sensor feeds a microcontroller so the firmware can keep the bus voltage within safe limits and trigger protective actions when it strays. Please size all resistive dividers, isolation devices (if required), and any signal-conditioning stages so the microcontroller’s ADC receives a clean, scalable signal. What I expect from you • Complete schematic, preferably drawn in KiCad or Altium, showing the microcontroller, voltage sensor path, power supply rails, and any filtering or isolation you recommend. • Short bill of materials with part numbers that are actually ...
I need a self-contained, semi-automatic screen-printing machine for my table printing setup ,built specifically for fabric, handling the t-shirt and tote-bag range of sizes. Manual tabletop presses no longer keep up with my orders, yet a fully automated carousel is beyond my current floor space and maintenance capability, so I’m looking for a compact solution that strikes the right balance between speed, consistency, and ease of use. Here is what matters most to me: • Medium-format platen area that comfortably accommodates standard t-shirts or similar items. • A reliable screen-printing mechanism with smooth pneumatic or servo-assisted squeegee pressure so every pull is uniform. • Simple registration adjustments and an intuitive control panel—ideally touch-b...
I have a detailed drawing for a new piece of kitchenware and need a skilled stainless-steel fabricator to turn it into a working prototype, then price a short production run of roughly 20 – 40 units. Material & finish The part must be made from food-grade 18/8 or 18/10 stainless (essentially 304) to ensure non-stick cooking performance and high-heat resistance. I want a mirror-polished finish straight off your fabrication line so the surface is presentation-ready with no additional treatment required. Intended use Because this item will contact food and be exposed to stovetop temperatures and flames from wood fire, your process must respect kitchenware safety standards. If you already work with cookware or restaurant equipment, please highlight that experience. What I need...
I have drawings of a Stainless Steel flat top for a BBQ and would like a manufacturer to quote a single prototype before I have them make 20 to 40 pieces.
I need a clean, intuitive mobile interface built around three user groups—clients (elderly users or their families), verified workers (nurses, maids, drivers, etc.), and an admin. Design priorities • Overall look: simple, user-friendly screens with clear typography and high-contrast colours that accommodate older eyes. • Log-in/registration flows for all roles, with straightforward onboarding steps that avoid information overload. • For clients: geolocation to show the nearest available professional, a short profile view, friction-free card or wallet payment, plus a calendar picker so they can lock in the service time in one pass. • For workers: an enrolment path that captures credentials, a dashboard to accept/decline jobs, quick toggles to set availab...
I need an interface connector for carrying sensor readings from Ultrasonic datalogger by Modbus cable RS-485 with a male connector. The PCB interface is to be built with a 6-pin military female connector at one end and printer cable connector at the other end that will be used to connect to a laptop USB port to download the data (Refer to picture attached). Requirements: - Use a female 6 pin military connector (standard adapter) for the military connector and a female print cable connector on the other end, with PCB in between - No custom cable is needed - Ensure compatibility with Modbus protocol - Encapsulate the PCB into aluminium pot or similar for robustness Ideal Skills and Experience: - Expertise in Modbus communication - Experience with military and printer cable connectors - ...
I need a fresh, modern interface for a retail-focused point-of-sale system that runs on tablets. The design must feel at home on an iPad-sized screen in both portrait and landscape, with touch-first controls that cashiers can master in minutes. needs to be fresh food or packaged retail good focused. Key objective Shoppers and staff should sense the speed of checkout while enjoying the flexibility usually found only in desktop software. To achieve this, the UI has to support advanced, customer-side customization: users can rearrange panels, resize tiles, create new screen layouts, and save or share personal presets without leaving the sales flow. Design guidance • Platform: tablet (native or PWA designs are both acceptable) • Context: retail workflows—SKU look-up, ba...
We are OMM Enterprises, a company engaged in machine manufacturing and sales, including paper plate machines, roti making machines, and other automation equipment. We are looking for a practical Pneumatic Design Engineer or Freelancer who can help us design and improve pneumatic systems for our machines. --- Scope of Work: - Design simple and efficient pneumatic circuits - Suggest suitable components (cylinders, valves, compressors, fittings) - Create technical drawings and layouts (AutoCAD / SolidWorks preferred) - Focus on cost-effective and reliable system design - Provide guidance during implementation if required --- Requirements: - Experience in pneumatic system design or machine design - Basic understanding of industrial automation - Ability to create practical, working desig...
I'm looking for a skilled designer to create an ergonomic massage cushion. The cushion is primarily for massage therapy and should incorporate the following features: Materials: - Two types of foam, one being memory foam. Design Features: - a one size fits all without adjusting. - Breathable cover. - Removable and washable cover. - Comfort-oriented design with a breathable gap. Ideal Skills and Experience: - Experience in ergonomic design. - Proficiency in working with memory foam and other foams. - Knowledge of creating adjustable height features. - Ability to design breathable, removable, and washable covers. Please provide samples of similar work.
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