...an ER diagram, relational schema, database dump, SQL files, and queries for a library database system. Requirements: - ER Diagram: An ER diagram is required with rationalities similar to the example provided in this link: - Relational Schema: Develop a relational schema that effectively models the database. - Database Dump: Provide a database dump for the system. - SQL Files and Queries: The project should include a set of SQL files and queries that effectively interact with the database. - Managerial Queries: Develop a minimum of 20 managerial queries that will be used to analyze and manage the library database. Deadline: This project must be completed by Monday. Ideal Skills: - Proficiency in database design and SQL - Experience with ER diagram creati...
I have a couple of circuit diagrams that I need to have redrawn in Word format.
...Source code with clear and concise comments. 3. Documentation on installation, configuration, and usage. 4. Example project demonstrating the plugin in action. 5. Support for initial setup and troubleshooting if needed. Additional Requirements: - The plugin must be developed in accordance with the best practices for PhoneGap/Cordova plugin development. - The plugin must not cause significant battery drain or performance issues on the device. - Clear communication and regular updates on the project progress. - The final deliverable must pass testing on both Android and iOS devices. Ideal Skills: - Proficiency in PhoneGap development. - Prior experience with WebSocket handling and background notifications on Android and iOS. - Strong understanding of mobile app development prin...
I'm in need of a skilled circuit board designer that can create the and design the Greber file for me, I need to send the files to the manufacturing compony. My project contains few components only. SAM D11C 14-pin chip, 3 LEDS, Battery holder, and a reset switch. The "j2" pads are for programming the chip, Gnd, power, and clock. The 2 antennas traces are connected to analog pins A2 and A4. LEDs are connected to digital pins 24,25,31. the reset button to RST pin of course. For the 4 programming pads. Gnd and Power goes to Gnd and VDD pins in the chip, For the clock, I'm not shire which pins. layout size : 10 cm by 5.398 cm
I'm looking to sell a residential solar photovoltaic (PV) system that stands out for its energy storage capabilities and off-grid independence. The estimated space for installation is a medium-sized residence (1,000 - 2,000 sq ft). Ideal skills include: - Expertise in solar panel design and installation - Knowledge of battery energy storage systems - Understanding of off-grid solar systems - Experience with residential projects - Ability to estimate solar power needs based on space size Offer your skills to make this solar PV system stand out in the residential market.
I require a bespoke drive thru simulator application that will function on Windows. This app will assess the performance of a headset in a realistic 4 lane drive thru environment. It should have the ability to autonomously run overnight, connected to the headset. Necessary tests include various factors, such as: - Audio quality - Connectivity - Battery life The system should provide comprehensive reports concerning any faults or failures with the headset based on the tests. Experience in acoustic engineering, application development, and system testing is crucial for this project. Real-world drive thru scenarios must be accurately simulated to ensure real-life performance of the headset is effectively assessed.
...matrix explanation below). The first lap is different to the remaining 9 laps, you can work around this however you like but, please ensure you use the correct data. Furthermore, all the constants relating to the vehicle forces must be able to be changed directly from an excel file page called constants. To find the optimal solution you must use some sort of genetic algorithm (explained with flow diagram) that turns the motor on twice per lap to build up speed and then coast using the speed gained. Using the current velocity at a given point, the force of the motor is interpolated from a matrix [Vehicle velocity, Motor Force] found in the excel file. I can provide the maths for this as well but have not yet done it. Every next time step must be predicted using the Runge-Kutta 4 m...
Information Collection on Vehicle Charging Systems <Request> Please collect product information of cars equipped with the technology explained in the “2. Technology Description” section below. *Note Do not collect information only based on the information listed in “1. Background” and “3. Reference Information” (Sections 1 and 3 are for reference only) 【1. Background】 This technology is related to vehicles and charging systems. Various proposals have been made for charging systems where the power storage device installed in the vehicle is charged. For example, in a certain charging system, an emergency stop button is provided on the charging device. As a result, the user can stop the charging device by...
...intermediate Matlab skills to help optimize the energy efficiency of a battery system for renewable energy applications. Key Project Requirements: - Optimize battery system for energy efficiency: The primary focus of this project is to ensure that our battery system operates with maximum energy efficiency. This involves assessing current battery performance and implementing improvements in its energy consumption. Ideal Candidate: - Intermediate Matlab Proficiency: The perfect candidate for this project should be proficient with Matlab, having experience in battery system optimization. Previous work in the field of renewable energy systems would be a bonus. The goal of this project is to enhance the energy efficiency of our battery system. You...
I'm currently seeking a professional with experience in Battery Management Systems (BMS) to design and develop a LiFePO4 BMS. The key requirements and features include: - BMS should support 8S and 4S configurations - Maximum amperage capacity of 100A - The ability to alter the BMS ampere capacity by adding or removing MOSFETs or any other relevant hardware as required - The BMS should include essential safety features such as: * Temperature monitoring * Short circuit protection * Cell balancing * Reverse polarity protection - The system should allow for charging and discharging through the same port I need this project to be completed within a month. Ideal skills and experience for this job include: - In-depth knowledge and experience in BMS design, particu...
Requirement: Project completed in KICAD ONLY. I need help routing an allwinnder D1 SoC to DDR3 RAM and rout the PMICs. You should be proficient in length matching and proper KiCad design. You must review the schematic to ensure there are no issues before you start routing. I'm seeking a proficient PCB designer with experience in KiCad for the development of a multilayer circuit board intended for consumer electronics. Key Points: - The project involves the creation of a multilayer PCB targeted for consumer electronics. Prior experience in this field would be highly advantageous. - Proficiency in KiCad is essential. Prior experience working with KiCad for multilayer PCB designs is a must. - You should have a good understanding of the manufacturing process for consumer electr...
I am in need of a skilled AutoCAD professional to create 6 small, simple 2D diagrams, and 1 3D diagram. The drawings are for an engineering purpose and do not require any specific AutoCAD version. Key Requirements: - Create 6 small, simple 2D diagrams - Create 1 3D diagram - No specific AutoCAD version required Ideal Skills: - Proficiency in AutoCAD - Strong understanding of engineering diagrams - Ability to create 3D diagrams is a plus This is a straightforward task for an experienced AutoCAD professional. I look forward to seeing your bids.
Information Gathering on Vehicle Charging Methods <Request Details> Please gather product information on vehicles equipped with the technology described in the “2. Desired Technology” section below. *Note Do not collect information based solely on the information listed in the “1. Background” and “3. Reference Information” sections (Sections 1 and 3 are for reference only) 【1. Background】 This is a technology related to charging the on-board storage device with power supplied from an external vehicle charging facility. In recent years, the development of electric vehicles capable of “plug-in charging” using a charging cable for power supply has been progressing, and there is a problem of heat loss at...
...implementing IoT solutions in the supply chain - Analyze the impact of IoT on the supply chain for lithium-ion battery production Ideal Candidate: - Extensive experience with IoT and its applications - Proficient in Python development and cloud data management - Comprehensive understanding of supply chains, specifically in lithium-ion battery manufacturing - Familiarity with PLC & SCADA, Edge Computing, wireless sensors and gateways - Strong research writing skills to aid in the comprehensive explanation of findings - Knowledge of MATLAB and Statistical Analysis tools would be an advantage. Your contribution could profoundly impact the efficiency and resilience of lithium-ion battery supply chains. Your work will not only provide immediate value to this resea...
...for AI-generated images to be used as a background on my website. The images should have a minimalist style, with a clean and simple aesthetic. Key Requirements: - Creation of AI-generated images for use in graphic design - Adherence to a minimalist style - Images must be of high-resolution and suitable for web use I need pink and black soft measuring tape added to each head as shown in the diagram i attached. The photo of the single head i attached with the tape measure around it is what i am aiming for uide on measuring your head for wig fitting, titled 'How to Measure' with a pink tape graphic above. Features six mannequin heads, each demonstrating a measurement technique: Circumference: Side view with tape around head above ears. Label below in black. Front to ...
I'm looking to have a structural diagram created for my composite deck. This project should include built-in seating capabilities within the design. The ideal candidate for this project should have experience with deck designs and be knowledgeable in creating functional, aesthetically pleasing deck spaces. Skills and experience ideally include, but are not limited to: - Architecture and Design - Structural Engineering - CAD expertise - Knowledge of composite deck materials and seating solutions Let's bring this outdoor oasis to life! Looking forward to your innovative deck designs!
I require an experienced industrial designer to construct a high-capacity, 1-liter water bottle. This innovative product design project involves integrating a power bank into a functional water bottle, harmonizing hydration and tech convenience. Key Features and Requirements: - A 1-liter water bottle with a built-in power bank - Built-in power bank should have a charging capacity of 20000mAh - The water bottle can be made of stainless steel or BPA-free plastic Ideal skills and experience: - Industrial design - Experience in designing similar products - Familiarity with working with stainless steel and BPA-free plastic - Understanding of the safety standards for the integration of electronics with drinking vessels. This project blends quintessential daily use items with cutting-...
Floor plan requirements provided in attached sketch. Schematic design phase, should be to scale.
...alternately to represent the emergency lights. The motor will power the back wheels and the sound will play through a small speaker as a siren and horn. Here are the requirements for the project: I believe the Arduino MKR Zero would be a good fit since it has the integrated micro SD card holder and sound processing capabilities. It also has an integrated battery charger. The Arduino needs to be powered by a rechargeable Lithium Polymer battery like 3.7 Volts. - Control LEDs: I believe I can get by with two white 3mm LEDs. I will install fibre-optics to transfer the light from the LEDs to various lenses on the fire truck. The LEDs should flash alternately. - Control Motor: Apart from the LEDs, the circuit should also be able to control a small 3-4 V motor. A potentiome...
I need a professional to create an ER diagram for a moderately complex database I'm designing. - This is specifically for database design purposes, using Chen notation. - The database structure I have in mind falls between 10-20 entities, so the ER diagram will need to reflect this level of complexity. - You should have in-depth experience with database design and ER diagramming, particularly using Chen notation. - The ER diagram should be clear, well-structured and accurately represent the relationships and entities within the database. - Previous experience with similar projects is a plus.
I need an expert Altium PCB designer for a complex prototyping project involving mixed-signal components on a multi-layer board. The right candidate should be able to draft and develop with precision...with PCB prototyping processes - Able to handle high-frequency MCU of 480Mhz This project requires someone who thrives in complex PCB designs and can deliver accurate results promptly. I have already designed the schematic, the board shape, and the placement of connectors. I will provide my PCB library for the footprint of all the components used in the project. The PCB will be an 8-layer board with a stack up of SIG-GND SIG-GND PWR-GND GND-SIG. Please follow the design rules I set in the project. The attached screenshot is the current state of the project, and the schematic...
...connector and SPI protocol. Schematics and additional reference details are attached, please read these carefully to ensure the ePaper display module functions accordingly. It will be powered by two CR2450 button cells, but please include a USB C connector for programming and backup power source. I'll also need a notification LED and a tactile button. The outcomes I'm expecting are: 1. Updated Schematic (i've attached one i've been working on for reference you can start fresh if you want though) 2. PCB design/gerber file 3. BOM spreadsheet with all components Note: I have the EXT 3-1 board and some 2.13" displays already, I've included the details of this board as a zip file because it was the only way I could get it to work. Please mimic these sc...
...instance of specific classes. - Ensure thread safety and lazy initialization as required. 5. Java Package Organization: - Organize classes into appropriate Java packages to enhance modularity and readability. - Ensure a logical structure that aligns with best practices in package naming and class allocation. 6. UML Class Diagram: - Create and provide a UML class diagram reflecting the new code structure and design patterns. - Ensure that the diagram is comprehensive and accurate. Bonus: (This is needed for the code) - Provide an additional variant of the code base that utilizes the Factory design pattern and DI. - Document and highlight the differences between the DI and Factory pattern implementations. Qualifications: - Proven experience in Java...
The app should be able to take in a JSON like so: { "classes": [ { "name": "Person", "attributes": [ {"name": "person..."type": "String"}, {"name": "employerId", "type": "String"}, {"name": "amount", "type": "Double"}, {"name": "dateIssued", "type": "Date"} ], "relationships": [ {"name": "person", "type": "Person", "multiplicity": "1"}, {"name": "employer", "type": "Employer", "multiplicity": "1&qu...
I'm looking for experienced circuit designer who can design sensing circuit for RTD temperature sensor. Sensing should be done by STM32F103 microcontroller ADC. There should be 8 channels for RTD temperature sensor. I need Schematic design and sample code to read temperature value. Only bid if you have experience with RTD temperature sensor.
I'm looking for a skilled programmer who can create a battery level indicator program for an Lithium Battery. The program will be used to interpret battery level data and display it via LED indicators. Key Points: - Device: The program is specifically designed for an Lithium Battery; thus, knowledge of embedded systems is must needed, which includes both Hardware & Software Design - Programming: Proficiency in C/C++ is essential for this task as it is the preferred programming language. - Display: The battery level will be depicted through LED indicators. Experience with LED technologies or similar display systems is advantageous.
Dear Gregory Hovagim, I am submitting my proposal for your PROPOSED GARAGE CONVERSION PROJECT with an approximate 470 area. --- SCOPE OF WORKS: Phase A: SCHEMATIC DESIGN 1. Architectural Solution - $175 1.1. 3D Modeling and 3D Visualizations - $125 Once the schematic design is approved, we will now move on to the next phase which is the; Phase B: DETAILED DESIGN 1. Detailed Plans, Elevations, Sections, and other necessary details - $150 --- Total Architectural Design Cost: Four hundred fifty US Dollars ($450) Submission of Initial Design: May 24, 2024 Friday Number of Revisions: 3 Deliverables: - Detailed Drawings (in PDF format) - 3D Visualizations - Sketchup File ($150) Note: 1. Additional revisions beyond the included revisions: $75 per revision. Thank you for allo...
I'm in need of a composition diagram based on a provided ERD, but starting from either products or categories. Your deliverable should be in PNG format, keeping it black and white, and should include detailed notes for each constraint and enumeration listed. Key Deliverables: - Create a composition diagram based on the given ERD - Diagram starting from 'products' or 'categories' - Output format should be PNG - Keep the diagram black and white - Include detailed notes for each constraint and enumeration listed Ideal Skills: - Proficient in creating ERD diagrams - Experience with composition diagrams - Ability to clearly indicate datatypes and multiplicities - Familiar with check constraints and enumerations - Excellent attention to det...
Wiring Schematic of an Agricultural Articulated Truck (Tractor), new project needs schematic and design. Key Components: Power Supply: Battery Alternator Main Circuit Breaker Lighting System: Headlights Tail Lights Work Lights Indicators Control Systems: Ignition Switch Dashboard Controls Relays and Fuses Engine and Transmission: Starter Motor Engine Sensors Transmission Controls Hydraulics: Hydraulic Pump Controls Joystick Controls Hydraulic Solenoids Auxiliary Systems: Air Conditioning Horn Wiper Motor Fuel Gauge
I'm in need of a PCB designer who can create a single-layer PCB prototype using KiCad. Key Responsibilities: - Develop a single-layer PCB based on a provided schematic - Ensure the design is optimized for prototyping - Provide the design files in KiCad format Ideal Skills and Experience: - Proficiency in KiCad - Experience in designing single-layer PCBs - Knowledge of PCB prototyping - Strong attention to detail - Ability to work based on provided schematics
...devices you’ll need a system to digest and understand all of the data coming in -Comparing fleet tracking devices Functionality Technical specifications Cost -Choosing fleet tracking devices for specific applications Plugin Hardwired Dashcams Rugged/exterior mounted applications - construction, landscaping, etc. Remote deployments Battery powered Solar powered Kill switches Temperature sensors -Is it legal to install fleet tracking devices in my vehicle? - Disclaimer: we cannot give legal advice, seek professional advice for your particular situation - in most states where the company owns the vehicle, yes...
I'm searching for a CAD designer to help create a Lithium-ion battery module which will later be used in a radio. The primary goal of this project is to design a battery module that possesses the following characteristics: - Lithium-ion: The battery module should be based on lithium-ion technology - Prismatic: The battery should have a prismatic shape. This is to ensure it can be integrated seamlessly into the radio design. I'm looking for a CAD designer with experience in battery module design. Experience with lithium-ion batteries, prismatic batteries, and if possible, relevant experience with radios would also be beneficial. The designed battery module should have a capacity of 1000mAh. If you're interested in this project, I&...
I am looking for a skilled animator to produce an engaging 2D animation which will inform the audience of the features of a product for my business The video will be 30 seconds to 1 minute long. To be in a similar style as this: The video needs to show electric vehicle charging and load management
I'm looking for an experienced grap...*Light Weight For Easy Transport *Integrated MPPT Solar Regulator *Ergonomic And Robust Case *Extensive Certifications *Non-slip Rubber Feet *Fast Charge Rate – 2.5hrs To 80% *High-contrast LCD Screen *Active Cooling *5-year Warranty - the following heading in BMPRO fonts (attached) "BMPRO Power Station" and under this write "Powering your Adventures" - The following wording in BMPRO font "DC-DC Charging Capability" underneath this "Charge whilst on the go!" - Background on page two does not have to be charcoal but want it to look strong and rugged please match to BMPRO colour pallet. Maybe a fading effect and make it pop out and stand out **** for fonts please you will need the font URW DIN...
I'm on the lookout for an illustrator who can help bring my personal projects to life. Specifically, I'm in need of cartoon illustrations. my youtube channel is important i just need thumbnail at a set price always expect 4 chararcters and a background at this amazing CHARGING ABOVE 50$ HAS TO DRAW A ROUGH DRAFT its meeting me halfway. if cant do free rough sketchs pleaaaase dont not respond. Key requirements: - Experience in creating engaging, high-quality cartoon illustrations - A portfolio that showcases your previous work in this style - The ability to work efficiently and meet agreed upon deadlines - An affordable pricing structure that aligns with my budget Please keep in mind that I'll be needing 1-5 illustrations. If you think you're a good fit for thi...
...the athlete during a game or training session. - Speed Metrics: Monitoring the speed at which the athlete is moving during different phases of the game. - Acceleration and Decelerations: Recording sudden changes in speed to analyze the player's agility and response times. - Heart Rate Monitoring: Capturing the athlete's heart rate to gauge their exertion levels during play. Ideal Battery Life: - The desired battery life for the device is up to 8 hours. It should be able to sustain continuous operation during a typical training session or game. Future Application: - While the initial focus is on soccer, the device should be designed with flexibility to be adapted for other sports in the future. Skills Required: - Proficiency in GPS device design and prototyping...
I require a database model diagram based on a description I will provide. The diagram should serve as a basic overview, capturing key tables and relationships within a relational database. Key Requirements: - Relational Database: The diagram should be tailored for a relational database system. - Basic Overview: The scope of the diagram should be limited to key tables and relationships, providing a clear, high-level representation of the database. Skills and Experience: - Proficiency in database design and modeling - Experience with relational databases - Ability to translate abstract descriptions into structured database models Please note that I do not require documentation on the database model diagram. The focus here is on the clarity and accuracy...
I am aiming to incorporate and enhance my Parent Company's policy and processes on IT asset management, with particular focus on the documentation process and IT Asset Management Workflow diagram (From registering the asset to retiring the asset). Key deliverables: 1. Provide a document that lists all relevant terminology for IT Asset Management, including formal definitions and simplified definitions. These definitions must be aligned to Parent Company's terminology. 2. Provide a diagram that explains the desired lifecycle of IT Asset Management and how Cybersecurity, ICT Operations, Data office and Business Unit fit into this flow via clear RACI. This must aligned to Parent Company's lifecycle descriptions. 3. Complete an excel based GAP analysis of desired...
This project contains two components: 1. I am looking for someone to design a 6-7 page PowerPoint presentation with compelling visuals showcasing a new process introduction. 2. Additionally, we need a Visio diagram illustrating the future workflow pertaining to this new process. The workflow will outline the steps involved in the introduced process. I will provide the content for each slide, but may require assistance in refining the language to complement the visuals.
I am seeking a professional who can create a technical drawing using Eplan. Your task will be: 1. Developing an intermediate detailed document that comprises both wiring diagrams and schematic symbols specifically. 2. Ensure it adequately fulfills it's purpose as a piece of technical documentation. Skills necessary for proceeding include proficiency with Eplan software, ability to create wiring diagrams, and familiarity with technical schematic symbols. Experience in producing technical documents would prove beneficial.
I'm looking for an experienced PCB designer who can help me with a medium-sized, single-layer PCB. The project requires both layout and schematic design. Key Requirements: - Expertise in PCB Design: The ideal candidate should have a strong track record in PCB design, particularly in single-layer designs. Previous experience with medium-sized PCBs would be a plus. - Proficiency in Design Software: Proficiency in popular PCB design software like Altium, Eagle, or KiCad is essential. - Attention to Detail: A keen eye for detail is crucial for this project to ensure the layout and schematic are accurate and optimized. If you're confident in your PCB design skills and believe you can deliver a high-quality, single-layer PCB design, I'd love to hear from you. Plea...
We are looking for an expert in MongoDB + ElasticSearch infrastructure. We are looking to build from the ground up, in the cloud (AWS), a very complex infra with 500M Person object, 50M Company, and dozens more challenges. The dataset will be always e...scale testing by generating hundreds of millions of fake elements Perform load tests on the infra you built Build a primary API to perform deep searches All of that in the cloud on AWS - noting that if ElasticSearch is for example not available, we can use OpenSearch or other. What matters is the final results, and to try to stick as much as possible with the proposed diagram. PLEASE: send over your thoughts about the diagram, as well as previous experience dealing with such challenges etc, and if we like your approach, we ...
I'm in need of some assistance in developing the prototype schematic for an Embedded ESP32-C3FH4. ***This is for integration in an existing device that is currently utilizing a ESP32-C3 Supermini Dev Board Key functionalities should include: - Bluetooth connectivity - GPIO pins configuration - ADC Input - USB-C Female Plug - Serial TX and RX IO - Ten (10) GPIO functionalities This blueprint will serve as the basis of a prototype I am developing. As such, I'm seeking to partner with someone who is experienced and proficient in the following areas: ESP32-C3FH4 development and configuration including the following features: - Bluetooth connectivity - GPIO pins configuration - ADC Input systems - USB-C connection. - Serial Comms Please ensure your proposal reflects your...
I need a knowledgeable electrical engineer or specialist to create detailed electrical design plans for my personal garage project. My need is solely for the electrical diagrams and not full construction blueprints. The garage will house basic household systems only, no heavy machinery or equipment, and no electric vehicle charging units. Ideal Skills and Experience: - Electrical Engineering - CAD/CAM - Building Architecture - Experience in drafting plans for building permits Expectations: - Producing a thorough, code-compliant electrical design - Ability to communicate clearly and iterate based on discussions - Completion within agreed timeline. A knowledge of local building codes and regulations would be advantageous.
I require a 10-page paper that focuses on comparing the transition to hydrogen internal combustion engine vehicles with electric/battery-powered cars. This paper should thoroughly explore the environmental impact, cost-effectiveness, and overall performance of these two types of vehicles. Key Areas to Cover: - Environmental Impact: The freelancer must analyze and present a detailed comparison of the environmental impact of hydrogen and electric vehicles. - Cost-Effectiveness: The paper should investigate the cost implications of transitioning to hydrogen internal combustion engine vehicles in comparison to electric/battery-powered cars. - Performance Comparison: A crucial part of the paper will be to comprehensively compare the performance levels of these two types of vehicl...
