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Làm game hỗ trợ học tiếng anh trực tuyến bằng unity 2d, học ngữ pháp hay từ vựng đều được, Chỉ đơn giản nhưng ý tưởng hay, lm xong mô tả lại code và vẽ sơ đồ class diagram, sequence diagram, usecase diagram.

We are looking for a talented and experienced hardware engineer who have full knowldge of cash and digital payment integration hardware to design and develop the hardware components for cash-handling and cash counting machine and ...cash counting machine and all digital payment and including various other components Knowledge and Responsibilities Integrate payment hardware system Design the electronic circuits Select and Integrate Microcontrollers Sensor and Actuator Integration Payment System Integration Fraud Detection Hardware-Software Integration Required Skills: Payment Hardware System Embedded Systems Design Circuit Design & PCB Developmen Sensor Integration: Security Systems: Microcontroller Programming Hardware Debugging Experience with Payment Systems 3D Design ...

I'm seeking a registered engineer to review the switchboard drawings of a low-voltage switchboard to ensure compliance with the 61439 standard. The review should focus on the electrical design and include an evaluation of circuit diagrams, busbar arrangements, and protection devices. Ideal Skills Include: - Expertise in electrical design of low-voltage switchboards - Familiarity with 61439 standards - Experience in reviewing switchboard drawings - Proficiency in evaluating circuit diagrams, busbar arrangements, and protection devices - Registered engineering credentials - Must be registered on the NER, and hold current Chartered status (Electrical Engineering) with Engineers Australia

Hi, as discussed via chat. I would be working on your 20 pages paper on the following title: A comprehensive review of the impact of neglecting voltage hysteresis in the equivalent circuit model of lithium-ion batteries on parameter estimation and state-of-charge optimization

I'm seeking a comprehensive review that focuses on the impact of neglecting voltage hysteresis in the equivalent circuit model of lithium-ion batteries, specifically on state-of-charge optimization. Key aspects of the project: - The review should primarily focus on how voltage hysteresis affects state-of-charge optimization. - The review should predominantly source information from academic journals, ensuring a high level of credibility and relevance. - The analysis should include, and be grounded in, mathematical modeling. Ideal skills and experience for the job include: - Strong background in battery technology and lithium-ion batteries. - Proficiency in mathematical modeling. - Excellent research skills, particularly in sourcing and synthesizing information from academic ...

Project Title: Experienced RF Circuit Trainer Required for Comprehensive 3-Month Program Description: I am an experienced professional specializing in power supply and OP-AMP design. I am seeking a seasoned RF circuit trainer to provide an in-depth, structured learning program covering fundamental and advanced RF circuit design concepts. The training will span three months, focusing on both theoretical knowledge and practical application, including the use of industry-standard tools like Advanced Design System (ADS). Training Objectives: The program should comprehensively address RF circuit design, analysis, and simulation techniques. Specific topics to be covered include: 1. Fundamentals of RF Circuit Design: - Core RF principles: Transi...

...Developer for Trimodal Circuit Biosignal App We are seeking a talented and experienced Android Developer to join our team for an innovative project involving the development of a trimodal circuit capable of sending and receiving multiple biosignals via Bluetooth. This circuit is powered by an STM32 microcontroller, and your role will be to design and develop a feature-rich Android application that interfaces with the circuit, ensuring smooth communication, real-time data processing, and an intuitive user experience. This is a project-based opportunity with a clear deliverable goal from start to finish. Key Responsibilities: App Development: Design and develop a high-quality Android application using Android Studio to interface with the STM32-powered trimod...

I'm looking for an expert in lithium-ion battery modeling to conduct a comprehensive review of the impact of neglecting voltage hysteresis in the equivalent circuit model. The focus will be primarily on: - Assessing the accuracy of the equivalent circuit model - Evaluating the impact of voltage sources The final goal is to understand how these factors affect parameter estimation and state-of-charge optimization when using a Genetic Algorithm. Your bid will be evaluated based on your expertise in equivalent circuit models, specifically with lithium-ion batteries, and your proficiency in utilizing Genetic Algorithms for optimization. A strong background in electrical engineering and battery technology will be a significant advantage. Please include relevant samp...

I'm seeking expertise on programming the UFQPN-28 microcontroller directly on the PCB or in-circuit without the use of external pins. Your insights and guidance on this process would be invaluable. Key Points: - Programming Protocols: I am currently familiar with SWD. - Tools: I have an ST-Link for SWD programming. Your expertise in directly programming this microcontroller will assist me greatly in my project. Ideally, you would have experience with the UFQPN-28 and the ST-Link.

I'm in need of a talented actor who can convincingly portray both Munna Bhai and Circuit, akin to Sanjay Dutt's iconic performances. This is for a video production aimed at promoting my brand on social media. Ideal Skills and Experience: - Proven experience in video production - Exceptional acting skills, preferably with comedic timing - Familiarity with the characters of Munna Bhai and Circuit - Prior work in promotional social media content - Ability to embody the essence of Sanjay Dutt's performances

I'm in need of a circuit board designed to continuously monitor the voltage of a battery bank comprising 24 cells. This circuit board should have the following features: - Real-Time Display: The circuit should have a digital readout for real-time monitoring of the battery voltage. The readout should be clear and easy to interpret. The ideal freelancer for this job should have a solid background in electronics and circuit design, and experience with creating circuit boards for battery monitoring. They should also be able to create a digital readout that is user-friendly and reliable. It should be rotable for finding individual cells voltage as and when required

I need an AWS architecture diagram for my project. All necessary details will be provided using a PowerPoint template. The architecture will include EC2 Instances, S3 Buckets, and RDS Databases. Ideal Skills and Experience: - Proficient in AWS services - Experienced in creating architecture diagrams - Able to work with PowerPoint templates

I'm seeking a professional to design an electrical single line diagram (SLD) for a new installation. The ideal freelancer should have substantial experience in electrical engineering and SLD design. Skills in CAD software and a deep understanding of electrical systems are essential. Please note, the SLD requires a detailed design incorporating circuit breakers and switches, load distribution, as well as cable and conduit sizes. Your expertise will ensure the design is both functional and compliant with industry standards.

...update the logo for our motor racing owners association, Heritage Touring Cars - The Legends of Bathurst. The new design should reflect a retro theme from the 1970s, 1980s, and 1990s, while also conveying the primary message of speed and excitement. Key Responsibilities: - Conceptualize and design a logo that captures the thrill of racing. - Consider incorporating various elements connected to circuit racing, such as car imagery, racing flags, and track elements. - While I'm open to retaining aspects of the current logo, I'm equally happy to consider a completely new design. Ideal Skills: - Proficiency in graphic design software. - Strong understanding of retro design aesthetics from the 70s, 80s, and 90s. - Experience with logo design, particularly for sports or rac...

...a new living room, a bathroom and a bedroom. The new spaces should be designed with modern aesthetics, serving as an entertainment area, and should be functional and seamlessly integrated with the existing structure. Key features of the new bathroom should include: - A double vanity - A walk-in shower - Built-in storage Additionally, I'm looking to create an 18x36 ft pool as per the attached diagram. This pool will have a sheet waterfall at the end, accompanied by gas fire bowls and landscaping ideas. Please note that there is only 40 ft between the garage and the property line. Ideal skills for this project include: - Extensive residential design and construction experience - Expertise in modern design - Strong understanding of home functionality and space integration. ...

I am seeking an RF engineer with experience in telecommunications. The project involves working on two questions. Ideal Skills: - Proficiency in RF engineering principles - Experience in telecommunications applications - Knowledge of circuit and antenna design - Understanding of signal propagation and RF optimization techniques - Ability to conduct interference analysis and frequency planning

I require a complete appellate brief for the 11th Circuit. This project requires meticulous legal analysis and case law research. The brief should cover any potential issues on appeal, including procedural errors, legal misinterpretations, and instances of insufficient evidence. Key responsibilities: - Conduct thorough case law research to identify relevant precedents and legal principles - Write a comprehensive legal analysis to support the appeal - Draft the brief in accordance with the court's requirements Ideal candidates will have: - Extensive experience with appellate brief writing - A strong understanding of the 11th Circuit's legal standards - Excellent research and legal writing skills Please note, the brief should be written in a manner that is suitable for su...

I'm looking for a skilled PCB designer who can provide a Gerber file based on a circuit diagram I will provide. Key details: - The PCB will primarily be used for testing, so it should be designed with this purpose in mind. - There are no specific size requirements for the PCB, so flexibility is available. - The type of PCB design (single-sided, double-sided, or multi-layer) has not yet been decided and will depend on your professional recommendation. Ideal Skills: - Proficient in PCB design software. - Experience with generating Gerber files. - Knowledgeable about industry standards for testing PCBs. - Strong understanding of various PCB types and their applications. Please only bid if you can show relevant experience and can provide examples of past PCB designs.

I need a Function Block Diagram for an Idec FL1F-B12RCE smart relay to control a motor. The motor is attached to an output shaft with a cam and a position sensing switch. The main objective is to start or stop the motor based on the position sensing switch. - The cam has four lobes arranged at 90 degree intervals. - The switch is a single pole, double throw with both NO and NC contacts. - The NO contact of the switch closes at some point on the rise of the cam. This point varies from one assembly to another, but is stable within a given assembly. - The NO contact opens at some point on the fall of the cam that is lower than the closing point. There is a hysteresis effect within the switch. - The motor runs on 11-16 volts DC, and the speed varies with voltage and load. Shaft speed ...

I have a set of flowcharts and process diagrams in Excel that I need converted into Visio. The complexity of these charts is moderate, with multiple steps and branches. Key Requirements: - Proficient in Microsoft Excel and Visio - Experience with converting flowcharts and process diagrams - Familiarity with standard Visio templates - Able to accurately represent moderate complex...with converting flowcharts and process diagrams - Familiarity with standard Visio templates - Able to accurately represent moderate complexity flowcharts Please ensure that the flowcharts are converted using a standard Visio template. I can provide this template if needed. The ideal freelancer for this project will have a keen eye for detail and a strong understanding of flowchart and process diagram co...

I'm in need of a circuit board & Flex PCB Style wiring for a lithium battery pack design. Specifically for a custom battery pack for electronics installed into a harsh environment. The main function of this circuit board is to provide a fuse and diode to ensure the each battery pack does not discharge in event of different voltage, but it must also physically easy to manufacture the battery pack. Key requirements: - Expertise in designing circuit boards for consumer electronics - Proven experience with power management circuit boards - Ability to design for low power specifications Skills and experience that would be advantageous: - Creativity in designing efficient power management solutions I have attached a word document which outlines my initial...

I'm in need of a database expert for managing and analyzing hospital data. Your primary task will involve creatin...need of a database expert for managing and analyzing hospital data. Your primary task will involve creating, optimizing, and querying a SQL database. Key Responsibilities: - Conduct data analysis and produce comprehensive reports on patient health records, staff performance, and inventory management. - Create and optimize the database for improved performance and efficiency. - Develop an ER Diagram to visualize the database structure. Ideal Skills: - Extensive experience with SQL and database management. - Strong skills in data analysis and reporting. - Proficiency in creating and interpreting ER Diagrams. - Background in healthcare data analysis preferred bu...

Please do not apply if you understand the following. [ Purpose ] : My Brushless ESC integrated to Flight Controller(FC) is lower current than 20A. I want to use independent another 40A ESC without any modification of Brushless ESC integrated to Flight Controller. [ Connection Diagram ] Brushless 20A ESC integrated to FC -> out signal(three phase power) of ESC -> Module (need to develop) -> pwm signal(+5v) -> ESC 40A -> output signal -> Brushless motor [ Todo list ] : 1. Schematic(Arduino and so on) and Firmware, Technical Document for Converting Input Signal to Output Signal - Input Signal : Output signal(three phase power) of one Drone Brushless ESC - Output Signal : Control Signal(PWM/+5v) to control another Drone Brushless ESC

...4. Testing and Validation: Comprehensive testing to ensure device reliability and performance under various conditions. Validation of MQTT communication and call functionality. Compliance with relevant regulatory standards for communication devices. 5. Deliverables: Fully functional hardware prototype. Source code for firmware and software applications. Detailed documentation, including circuit diagrams, firmware logic, and user manuals. Post-project support for bug fixes and minor enhancements. Skills Required: Proficiency in hardware design and embedded systems development. Expertise in 4G and LoRa technologies. Experience with MQTT protocol and secure communication implementation. Familiarity with voice call integration in embedded systems. Strong knowledge of po...

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I'm in need of a detailed design and analysis for a 6V DC power supply to power the electronic controller of an electric vehicle. The project has several components: 1. **Power Conversion Stages**: You will need to state and describe the four stages of conversion to obtain the requisite power. These stages will include a Transformer, Rectifier, Filter, and Regulator. 2. **Sine Wave Diagram**: Starting with an AC sinusoidal wave representing the mains supply, you will need to draw and label the time period and the amplitude. This will involve using the specifications of the UK mains supply (230V RMS, 230*1.41 Peak, 50 Hz). 3. **Output Diagrams**: You will also need to draw and label the output after each stage of conversion. The ideal freelancer for this project will have a ...

...notes on a range of astrophysical concepts and I need a freelancer to transform these into a 10 slide PowerPoint presentation. The topics to be covered include star formation, the origin of the solar system, elliptical orbits, the life cycle of a star, the future of the Sun and black holes, the Doppler effect, the expansion of the universe, and the age of the universe. The presentation should be diagram-centric, using 3D computer-generated models, set against a dark background with light text. Key requirements: - Transform my text document notes into a professional, informative presentation - Create visually appealing and accurate illustrations - Use Microsoft PowerPoint to create the slides Ideal skills: - Experience in Physics - Proficiency in graphic design, particularly wi...

...Fold) Headline: "Find the Perfect AI Agency for Your Project ?" Subheadline: "We connect you with top AI agencies worldwide, offering personalized guidance to bring your AI project to life." Call-to-Action (CTA) Button: Text: "Schedule Your Free Consultation Now!" Action: Scrolls down to the sign-up form. Visuals: A clean, modern image or animation showing AI concepts (e.g., a network diagram, futuristic interface). Include a trust badge or a small note like: “Trusted by businesses worldwide.” 2. Benefits Section Headline: "Why Choose AITopMatch?" Key Benefits: Curated Agency List: "Access top-tier AI agencies vetted for quality and expertise." Tailored Solutions: "Get personalized recommendations ...

I'm looking for a professional who can create a design and/or a prototype of waving flags in GIF or MP4 format, i need all flags of the world for a motorsport closed circuit, those flags will be showed on podiums on digital screens. all the flags have to have the same animation, it should be very smooth and gentle animation like "" or maybe like "" avoiding to cut borders like "" do. any further idea will be appreciated, for sure it will be considered to get almost 3-4 examples before selecting the right one and produce all the world flags. images are required to be 1920x1080 format

...Fusion360 for production grade sepagrun with compnents that will be produced on the CNC machine. It is not required to create g-code but all materials used should be normal materials avialble commerciall (e.g. you cannot use 1.37mm thick metal , but it must be 1mm or 1.5mm which is commercailly available). Key Aspects: - The speargun should feature an anatomical handle similar to - It must be an inverter roller type, drawing inspiration from Gladiator spearguns, Shadow separguns, and Allemani models. - The trigger should be modeled after the Ermes sub, complete with a reel. Specific Components to Highlight: - Overall body shape where rubber bands and all components are inside the body of the speargun. - Hydrodinamics of the speargun for lateral movement. - The ergonomics and u...

...Complete design files (schematics, PCB layout, Gerbers, BOM) for both variants. - Confirm pin assignments vs. ESP32 datasheet (no boot pin conflicts). - Integrate all necessary filters and protective components for reliable operation over long cables. - Optional help for the first manufacturing order (PCB specs, part sourcing, etc.). >>> Attachments & Reference 1. Ver_A Diagram (2-channel example) and Ver_B Diagram (16-channel example) – attached below, showing how I envision the wiring. 2. Reference Board Link: A similar design that also uses a 74HCT14 for level shifting. Although that board supports fewer LEDs/sensors than I need, it’s a helpful reference to show a proven 5 V driver approach.

I need a set of UML diagrams, specifically Class diagrams, Use case diagrams, and Sequence diagrams. The project's purpose is not clearly defined, so your ability to create diagrams that can be applied to a variety of systems is crucial.

I'm looking for an experienced Arduino programmer and circuit designer to build a simple circuit that can send readings from two fuel optical sensors over the longest range radio available. Key Requirements: - located in Great Britain - Knowledge in Arduino programming and circuit design. - Experience with fuel optical sensors preferred. - Proficient in implementing long-range radio communication, ideally LoRa. - Ability to design a battery-powered circuit. The circuit should take readings from the two sensors, which output 5V when in air and a neutral 3 wire, and send these readings over the radio. The circuit will be powered by a battery.

...o Create and open new project folder in Windsurf o Download codes to the folder and analyze the existing codebase o Identify potential improvements and issues o Document any bugs or inefficiencies found 2. Create a professional file that includes: o Clear one-line project description o Step-by-step installation instructions for beginners o Dependencies and system requirements o Flow diagram showing the process o Known issues and limitations 3. Generate a comprehensive file: o List all Node.js dependencies with version numbers o Include only necessary packages o Test the requirements file Part 2: Code Testing and Improvement 1. Set up coding machine: o Test code execution in either google colab or local machine 2. Implement improvements: o Optimize code performance

...o Create and open new project folder in Windsurf o Download codes to the folder and analyze the existing codebase o Identify potential improvements and issues o Document any bugs or inefficiencies found 2. Create a professional file that includes: o Clear one-line project description o Step-by-step installation instructions for beginners o Dependencies and system requirements o Flow diagram showing the process o Known issues and limitations 3. Generate a comprehensive file: o List all Python dependencies with version numbers o Include only necessary packages o Test the requirements file Part 2: Code Testing and Improvement 1. Set up coding machine: o Test code execution in either google colab or local machine 2. Implement improvements: o Optimize code performance

Need a proper documentation Draft including Architectural level(with tools or diagram) explanation which a developer can look into & start implementation. Use Case : Company E, a cloud infrastructure provider, has a complex network of systems and services that require constant monitoring and troubleshooting. The operations team often receives a high volume of support requests from internal and external customers, ranging from technical issues to service inquiries. R is interested in exploring the use of Generative AI to create an intelligent chatbot that can assist customers in finding relevant runbooks, knowledge articles, or automated solutions to their problems. How can R leverage Generative AI to build a conversational interface that can understand the context of customer re...

Output of rectagular signal of 0-40Volts, up to 15Amps. The output signal should be variable in amplitude and also be either unipolar (0-40 Volt, adjustable e.g. from 0 up to 0-40Volt) or bipolar (+/- 20 volt adjustable from 0 to +/- 20 volt), by means of a switch. Will drive a coil of 17mH or 34mH (thick wire on a big, 60cm ...frequency: 0 (off) - 50Hz The control at this stage can be potentiometers, but in the near future will be controled by an MCU, so control signal should be of low voltage (e.g. 0-5 volt) There should also be a protection of the output if there is a shortcut. Based on SG3525 is a good idea. Since the distance is a bit of a problem to exchange ciruits and parts, the circuit and BOM is good enough while showing the good operation of the circuit on a v...

I'm looking for a developer experienced with...a tree object brings up a context menu to draw a simple circular layout network diagram. - When a node of the diagram is clicked, the node's properties are shown in a property table and help information is displayed in a right pane. - The ability to print the diagram from a top menu print tool. - A three-pane layout consisting of a diagram pane, a detail information pane and a help pane. Data and Implementation: - The application will source its JSON feed from local files. - The network diagrams will be simple circular layout diagrams. Ideal candidates should be proficient in Eclipse Theia and have experience working with JSON data and creating interactive applications. A background in creating network ...

...house is generating. I essentially have all devices monitored & connected via various iot methods (rooftop solar monitoring, smart metre monitoring, smart plugs). I need you to automate the changes in power levels of my ASIC mining computers (can be changed easily via the Braiins OS), based on the power being generated by rooftop solar panels (solar monitored via Powersense monitor + also by inverter login/dashboard). I have illustrated the outline of what I require in a brief pdf document which I can send you. I also have more detailed plans for a small database/csv file 'fields required' & extensively documented algorithm on how the mining power levels should be set formulaically depending on the real-time solar output etc. Please contact me for more quest...

I'm in need of a professional to design a breakout board for the AD5933 chip. The primary application for this chip will be impedance measurement, specifically up to 100 kHz. This project requires a deep understanding of the ...measurement, specifically up to 100 kHz. This project requires a deep understanding of the AD5933 chip, as well as the principles of impedance measurement. Key requirements: - Design a breakout board for the AD5933 chip - Ensure the board is compatible with I2C for communication Ideal candidates will have: - Prior experience with the AD5933 chip - A strong background in electrical engineering and circuit design - Experience designing breakout boards - Proficiency in I2C communication interface Please include examples of similar projects you've co...

I need a circuit board designed primarily for signal processing. This board will be handling mixed signals, specifically processing sensor signals. Key Requirements: - Design a circuit board capable of mixed-signal processing with a focus on sensor signals. - Ensure the board is optimized for signal processing tasks. - Provide schematics and design files. Ideal Skills and Experience: - Expertise in circuit board design. - Proficient in working with mixed-signal and sensor processing. - Strong background in signal processing.

Project Details I'm in need of a compact, double-layer PCB designed for a digital circuit. The project involves creating a Gerber file that is ready for printing, accommodating the given circuit diagram. The PCB should be small and compact, suitable for accommodating a digital circuit. The 2 ESP32, SIM800L, MAX 485 and ADS1115 will be mounted on a 2.54 mm pin female single-row header strip. All connectors will use 5 mm PCB terminals with standard 0.1” (2.54 mm) spacing through holes. Components Ref: ESP32 38Pin Development Board: Hi Link HLK-PM01 5V/10W: 2.54mm Pin Female Single Row Header Strip:

I am looking to create a digital airsoft target see attached documents. I will need all files and BOM in order to have whatever PCB we create manufactured and assembled.

I need a professional design upgrade for my flowchart. - Purpose: The flowchart is intended to explain a process. - Style: The desired aesthetic is minimalistic, so the design should be clean and uncluttered, yet visually appealing. - need diagram in ppt with animation (not jpeg) Ideal candidates should have experience in graphic design and a strong understanding of creating flowcharts.

I'm seeking a talented 3D designer to create a detailed model of a speargun in Fusion360. Key Aspects: - The speargun should feature an anatomical handle. - It must be an inverter roller type, drawing inspiration from Gladiator spearguns, Shadow separguns, and Allemani models. - The trigger should be modeled after the Ermes sub, complete with a reel. Specific Components to Highlight: - Overall body with rubber bands. - The design of the handle. - The trigger mechanism. - The attachment for the reel. Design Requirements: - I need the designer to create the anatomical handle from scratch, as I do not have reference images available. - The design style for the handle should be ergonomic and sleek. Ideal Skills: - Proficiency in Plasticity 3D is essential. - Prior experience in...

I'm seeking a skilled who can quickly and accurately design a mixed-signal circuit using the Proteus/ISIS simulation software. This project revolves around the study of a photovoltaic-wind hybrid network connected to a High Voltage Direct Current (HVDC) bus. Key aspects of the project include: - Understanding and implementing the complexities of a hybrid renewable energy network. The ideal candidate for this project will have: - Proficient experience with the Proteus/ISIS simulation software. - Experience with designing circuits for renewable energy systems. Speed and accuracy are paramount for this project, and I am prepared to compensate appropriately for high-quality work.

I need a circuit board designed and built that uses an ESP32 to drive a large number of LEDs (SMD, 300-500). The LEDs should be arranged to represent a detailed map that will be provided. Key Requirements: - Design and construct a visually appealing circuit board (as it may be directly exposed to end user) - Use an ESP32 to control a large number of LEDs (you will have to explain how you plan on doing this) - Arrange the LEDs according to a detailed city map which I will provide on the circuit board. Ideal Skills and Experience: - Electronics and circuit board design - Proficiency with ESP32 - Experience with LED projects - Design skills for creating an aesthetically pleasing product

I am in need of an experienced electrical engineer specializing in circuit design. The project involves designing a circuit for an unspecified application, so versatility and creativity are key. Ideal candidates should have: - Extensive experience in circuit design - Ability to work on various applications, from consumer electronics to industrial machinery - Innovative thinking for creating efficient and effective designs