I am urgently in need of a Laravel VueJS developer, well-versed in application logic, for a task that entails promptly identifying and rectifying bugs. This doesn't mean that less experienced individuals are not welcome, but those with a robust history in Laravel VueJS will be favored. Key responsibilities in this role include: - Debugging and rectifying problems related to the application logic Ideal candidates should possess the following skills and experience: - Laravel and VueJS expertise - Proven problem-solving skills - Ability to work swiftly under pressure - Solid background in Laravel VueJS, particularly in application logic. Nevertheless, if you are confident about your skills and feel like you can tackle the task at hand, I strongly encourage you...
...optimization - Strong understanding of Gitlab - version control !* - Strong understanding of web development principles and best practices - Ability to work on a large-scale project and deliver high-quality results - Excellent problem-solving skills and attention to detail - Database Design & Management: The ability to design and manage a highly organized, efficient database is crucial. - API Integration: We expect the team to integrate various APIs appropriately for a seamless integration of different platforms !!!*** Skills that would be beneficial: - Thorough Laravel expertise - Proven track record in creating reporting and analytics solutions !!!*** - Understanding of API integrations !!!*** - Understanding of Git version control - Proven track record in creating ...
...client to view this data and approve or reject. Again, there will be multiple elements for approval. 3) Creating Database – Once the data is approved, it needs to be stored in a central database. Any changes submitted & approved, part of the historical data needs to replaced with new data. 4) View Results Modules – Based on Calculations shared (we will share the calculation algorithm) from the database the said calculations need to be done and then pushed for visualization, we will create multiple visualization which need to be dynamics basis parameters selected to view the data. See Some examples of how the platform modules might look like in the attached deck. Database will be huge given the size of data – appx 2 million rows eve...
necesio alguien que domine IA para automatizar los procesos del dia a dia de un autonomo.. facturacion, presupuestos, control costes.....
...tomatoes using six servo motors. I need help in writing the arduino code. Your code will command the robot to perform the following actions: - Rotation of the waist - Shoulder movement - Elbow bending - Wrist rotation - Gripping objects - Detection of red color With the red color detection, the gripper should open up and proceed with the tomato plucking. The kinetic architecture of this robot should be inverse, and the links I'm using for shoulder, elbow, and wrist are 18cm, 12cm, and 8cm respectively. The color sensor model is tcs3200. Once the tomato is held by the gripper, a stroke should be initiated to pluck the tomato. Interested freelancers should share past work of similar projects. Knowledge of robust control system is crucial for this project�...
... We can share you a fresh Ubuntu 22.04 or any other Ubuntu version required on a system to run the code. It is required to have multiple years of experience with Android Firmware development and packaging for Android Watch If you have also experience in Android Watch / WearOS Firmware development, particularly with Android Wear OS, I would love to hear from you. Please provide examples of your previous work in this area. The milestones for working: ms0: after award we go into a call and discuss about best approach to get control back to be able building the rom / firmware ms1: recreate the firmware from source to be able to deploy on the devices ms2: upgrade to latest possible android version for MT6580A
As a crucial part of our operations, we require a professional who can develop an algorithm and write code for our Delta PLC and HMI. This is integral to our material handling process, specifically for Unit Load Material Handling. This process of input / output material flow within our equipment should also make data available on MODBUS TCP. The successful candidate should: - Design and implement a solution for: - Data Monitoring: and making it available real-time to align with our process control requirements. - Unit Load Material Handling: a process whereby the equipment handles load capacities one unit at a time. - Monitor key performance data, specifically: - Speed: The rate of movement of our material in the process. - Load Capacity: The equi...
I'm looking for an experienced MySQL and PHP developer to create a powerful and easy-to-navigate business directory software on godaddy hosting account. The program should allow users to register and create comprehensive company profiles that include contact details. The directory must also host a dynamic location-based searc...Functionality: The core feature of this program is a location-based search function. The aim is to allow users to find businesses in specific geographical areas. - Company Profile: The profiles should primarily feature company's contact details to facilitate easy communication. Ideal Skills: - PHP and MySQL expertise - Experience in creating business directories - Knowledge in location-based search algorithm - Understanding of UI/UX for intuitiven...
...optimization - Strong understanding of Gitlab - version control !* - Strong understanding of web development principles and best practices - Ability to work on a large-scale project and deliver high-quality results - Excellent problem-solving skills and attention to detail - Database Design & Management: The ability to design and manage a highly organized, efficient database is crucial. - API Integration: We expect the team to integrate various APIs appropriately for a seamless integration of different platforms !!!*** Skills that would be beneficial: - Thorough Laravel expertise - Proven track record in creating reporting and analytics solutions !!!*** - Understanding of API integrations !!!*** - Understanding of Git version control - Proven track record in creating ...
I am currently working on an innovative lunch box design and require seasoned guidance on materials selection and production techniques. While I have a team handling the design, your role would focus on providing much-needed advis...compartments. - Manufacturing Expertise: Please have a command of production techniques employed in the manufacturing of household goods, specifically lunch boxes. Ideal Candidate: - A seasoned consultant in manufacturing processes. - Understanding of materials appropriate for food storage items. - Capable of advising on possible production techniques. - Proven track record in implementing quality control measures in manufacturing. Your expertise will guide us in making pivotal decisions in our design process, ensuring a viable and successful produ...
...Queries: The application has several database interactions that need to be optimized to reduce query times and enhance overall database performance. - Algorithm Efficiency: There are certain algorithms in the application that should be revisited and optimized for better performance. - Memory Management: The application currently faces memory management issues that need to be addressed to make it more efficient and less resource-intensive. Ideal skills and experience for this project include: - Strong C# development skills - Prior experience in refactoring and performance optimization - Understanding of database query optimization - Proficiency in algorithm analysis and optimization - Knowledge of memory management techniques in C# applications If you're a proactive ...
In need of a proficient ANSYS and/or SolidWorks user to assist with a medium-sized solar PV/Thermal Project, between 10kW and 100kW. The ideal candidate has previous experience with solar design and is skilled in creating detailed component designs. The successful freelancer will be providing: - P&ID diagrams -Electrical and control system schematics - Plant layout drawings - New and off the shelf component designs for the project This is a solar PV/Thermal technology. HVAC experience is a plus. Familiarity with SolidWorks is a bonus, but not necessary. Looking for comprehensive work and attention to detail. More details can be provided following a Non-disclosure agreement (required).
As the owner of a digital business, I'm in need of a Laravel backend developer with expertise in various areas. Primary tasks will include: 1. Developing a user registration and authentication system 2. Creating a comprehensive data management system Secondary tasks will include: 1. Incorporating an email notification system 2. Implementing role-based access control mechanisms 3. Implementing an invoice system Ideal candidates should have significant experience in backend development, specifically with Laravel, and should be well-acquainted with the latest web standards. Knowledge of security principles and proficiency in complex SQL queries and database schema design will be an added advantage.
...optimization - Strong understanding of Gitlab - version control !* - Strong understanding of web development principles and best practices - Ability to work on a large-scale project and deliver high-quality results - Excellent problem-solving skills and attention to detail - Database Design & Management: The ability to design and manage a highly organized, efficient database is crucial. - API Integration: We expect the team to integrate various APIs appropriately for a seamless integration of different platforms !!!*** Skills that would be beneficial: - Thorough Laravel expertise - Proven track record in creating reporting and analytics solutions !!!*** - Understanding of API integrations !!!*** - Understanding of Git version control - Proven track record in creating ...
I am seeking expertise for my VLSI Magic project that requires: - High-complexity circuit design, calling for an in-depth understanding of intricate electronic circuit schematics. - Proficiency in logic synthesis, particularly in multi-level logic synthesis which is vital for my project. Part 1: Verify the design using a logic design tool. Part 2: Implement your design using Magic VLSI layout tool to generate your project layout Part 3: Test your design using irsim to simulate your project. Project submission should be two items: a- A report PDF file. (PDF) b- A compressed file containing all your codes, simulations, and results. (.zip, .rar)
I'm seeking an expert Python Developer to help with debugging logic errors in my Web Application. Key Responsibilities: - Debugging: The primary focus will be to identify and rectify logic bugs within the web application. Ideal Candidate: - Strong Python skills: You should be proficient in Python programming and be able to navigate through complex code to find and fix logic errors. - Experience in Web Development: A background in web development is desired, particularly within Python-based frameworks like Django or Flask. - Understanding of Debugging: You should be adept at identifying and resolving logic errors, ensuring the application runs smoothly and efficiently. This project has the potential for further collaboration, depending on the quali...
I have a VCPP codebase written in C++ that needs immediate debugging work. This code requires an enhancement to support Https protocol too while using VC++ 2015 distirbuables. Key project requirements and expectations: - I am looking for a skilled developer who has a deep understanding of C++ and VCPP. - This project primarily involves debugging, so the ideal freelancer would have a strong track record of troubleshooting and resolving bugs in C++ codebases. - Experience working with unmanaged code and fixing memory leaks is a definite plus. - Due to the urgent nature of these issues, a prompt and efficient turnaround time is highly desired. - Knowledge of version control systems, particularly Git, would be beneficial but not a strict requirement. If you are confide...
I am looking to revamp an existing piece of Python code and add more functionality to it. This project requires excellent understanding of Python, along with a knack for writing efficient and readable code. There are 5 scripts that need either improvement or enhancements There are two main aspects of the task: 1. Improving existing functionality: The existing code needs refinement to increase its performance efficiency and readability. This is where proven past experience in Python coding will come in handy. 2. Adding new functionality: Successful improvement and enhancement of the code would require addition of an input validation and ensuring that the program workflow works as intended. This again underscores the importance of being well versed in Python, ...
...current code base. Key Requirements: - Implement and enhance the device's capability for LTE, Wifi, Bluetooth Low Energy (BLE) and Global Navigation Satellite System (GNSS). These components are vital for the functionality of this advanced wearable device for pets. Deliverables: --Enable the device to continue to be used if in range of Wi-Fi/BLE and not LTE -To transition workflow away from one cloud broker to another -Refactor GNSS calls on the device -Retrieve RSSI/RSRP information from cell modem of the device Ideal Skills: - Proficiency in IoT applications, particularly regarding network and satellite technologies. - Proficiency in working with cellular, Wifi, and BLE wireless communication technologies -Familiarity with embedded C programming -Comfort with Gi...
I am looking for an experienced javascript developer to implement control enhancements in my HTML5 game. More specifically, I am interested in adding additional control options to the current format. While it's open for discussion, the focus will be primarily on enhancing player usability and elevating the gaming experience. Here's what I need: • Advanced knowledge in JavaScript and HTML5 game development • Proven experience in implementing diverse control schemes • More responsive and intuitive control options • Innovative ideas for potential control systems – I'm open to discussions Please note, additional control options do not specify gamepad support or gesture-based controls, as this question was ...
I'm in need of a Python Engineer with experience in TensorFlow to develop a Desktop application Stock Analysis System. The system is intended to perform real-time stock data analysis and would utilize an AI-driven stock selection algorithm, derived from Indexes, Sectors, ETF's, and subsections.
We need javascript code to make a photo of a face speak. Attached the video
I'm seeking a proficient Android developer to produce an app that encompasses user authentication functionality integrated with an innovative shutdown block feature. This feature disallows the phone from shutting down without a password. The ideal freelancer for this project will have: - A comprehensive understanding of Android OS - Experience in developing ...Experience in developing apps with advanced security features - Solid problem-solving and critical-thinking skills - A functional knowledge of user authentication A good communicator is a must, as well, since I'd like to maintain open lines of communication throughout the project, both for updates and any pertinent changes or adjustments. Overall, the aim is to create an app that enhances user control over their Andr...
...correctly on Windows 11. As it stands, the application provides a search function that loads filenames that match the text entered into a listview and then once the appropriate file is selected (usually a TIFF image) it then converts the file into a series of JPEGs that can be burned to a CD. (Ideally, the CD functionality would be upgraded to include DVD, Blu-Ray, etc. too.) In any case, most of the code is already written, so the upgrade will be to take the existing sources and make them compatible with the latest version of Windows and the latest burning formats. Ideal Skills: - Visual Basic proficiency - Experience in Desktop application development In your application, please include: 1. Past work related to Visual Basic and desktop software development. By including a s...
I am seeking expertise to create an instructional guide on preventing bed bugs being brought home from a hotel room environment. "How the bed bug guy preps his hotel room." Prefer the project is completed within a month. -Helpful Skills & Experience: * Pest Control Knowledge, hotel experience * Ability to convey detailed prevention procedures
...purpose of this software is to facilitate communication between the IoT device driver (Java/Kotlin) and Reactive Native App. - Required Capabilities: The software should be capable of device interaction, more specifically device control. - Device pairing, data synchronization are important, but the primary focus should be on device control functionality. Skills Needed: - Experience in developing software for IoT devices - Proficiency in Android (Java/Kotlin), iOS(Objective-C and Swift) - Understanding of Reactive Native App development - Ability to facilitate device control via software This project requires the use of IoT SDK for BeaconSET+: Password: minewtech Reference: @pasinduyeshann/native-module-for-react-native-using-kotlin-1f169372b6d3
We're on the hunt for a specialist in Google Maps optimisation. Our ...effective use of keywords related to our business. We require freelancers to present us with comprehensive project proposals that showcase their plan of action for our business. Skill in improving categorization and the strategic use of keywords is crucial; we are relying on your expertise in these aspects to push our listing to the top. If you're finely versed in the science behind the Google Maps algorithm and are capable of turning this expertise into tangible results for our business, then this project is for you! We're looking for a blend of experience, creativity, and strategic thinking, all intertwined with an understanding of our business and its services. Ready to roll up your sleeves an...
I need an SQL database to store customer information for a web application. This database should also support user authentication and permissions with different access levels. Requirements: - SQL Database: You should design a relational database to store customer information....authorized users can view, edit, or delete customer information. Skills and experience needed: - Strong SQL & Database Design skills: You should be proficient in SQL programming and have experience designing databases for web applications. - Web Development: Prior experience with web application development is a plus. - User Authentication: Knowledge of user authentication systems and access control mechanisms will be beneficial. Please include examples of similar projects you've worked on in th...
I'm in need of a Python Engineer with experience in TensorFlow to develop a Desktop application Stock Analysis System. The system is intended to perform real-time stock data analysis and would utilize an AI-driven stock selection algorithm, derived from Indexes, Sectors, ETF's, and subsections. Key requirements include: - Implementation of real-time stock data analysis capabilities - Development of an AI-driven stock selection algorithm - Proficiency in Python, with a strong preference for TensorFlow - Experience in creating Desktop applications Ideal candidates for this project should have a solid background in machine learning, particularly in using TensorFlow for AI applications, as well as a strong understanding of stock market principles. They should ...
I am looking for a skilled HVAC professional to help me design a central air conditioning system for my new...conditioning system for my new 3264 s.f. one-story house, plus creating a hot and cold water plumbing layout. Key Requirements: - System must be designed with energy efficiency and cost-effectiveness in mind - Incorporate Smart Thermostat Integration - Include Zoned Temperature Control Ideal Skills and Experience: - Previous experience in designing HVAC systems for residential properties - Familiarity with the latest technology, particularly in the area of Smart Thermostats - Ability to incorporate zoned temperature control into the design This is a key part of the comfort and energy efficiency strategy of my new home, so a thoughtful and experienced approach is cr...
Develop a minimalist WordPress-based interface where: Employees Input Section: Employees enter their job preferences, skills, experience levels, and work availability through a form. This data is stored in the...Employees Input Section: Employees enter their job preferences, skills, experience levels, and work availability through a form. This data is stored in their user profile. Employers Input Section: Employers log into their own backend to create profiles detailing what they’re looking for in candidates. This includes experience required, job roles, and other preferences. Matching Logic: Implement a basic algorithm that cross-references employee profiles with employer job criteria. When there's a match, the employer's backend updates with a...
...along with proficiency in JavaScript, ReactJS, HTML, CSS. The cornerstone features of this project include user registration with a two-factor authentication, an admin dashboard for managing content, and a payment gateway integration. - User Registration: Enables users to register with a two-factor authentication system, enhancing the security of my website. - Admin Dashboard: A comprehensive control panel that allows content management, ensuring seamless operations. - Payment Gateway: The project entails integrating a reliable payment gateway allowing secure transactions. The web design needs to adhere to a clean and modern aesthetic. Experience working with REST APIs and Ubuntu server management and deployment processes will be beneficial. Ideally, you should also be familia...
I'm currently seeking a professional programmer who can deftly install the code needed for a PayPal buy now button on my e-commerce site. - Website Platform: The site is built on PayPal. Familiarity with this system is necessary. - PayPal Integration: We are using PayPal Standard so your experience with this integration is key. To successfully complete the project, the ideal candidate should have a strong grasp of PayPal Standard and coding for e-commerce websites, with a specific focus on those built using PayPal as a platform. It's also crucial that the freelancer has experience with installing buy now buttons and making sure they work seamlessly within the site's existing infrastructure. This demands careful attention to detail and the ability to troubleshoot...
I want to add Machine Learning features , algorithm to my online electricity bill management system, which currently handles billing and payment processing, energy usage tracking, and customer database management. The programming language used in the project is PHP. The enhancement includes: 1. Predictive analysis for energy consumption 2. Customer segmentation 3. Load management optimization The predictive analysis for energy consumption specifically involves energy consumption forecasts. Ideal Skills and Experience: - Proven experience with PHP - Strong understanding of Machine Learning concepts - Experience with user registration systems, billing systems, and payment processing - Adept at enhancing existing codebases - Ability to create a seamless and secure user experience.
We're seeking an experienced professional to carry out a general Battery project revolving around Matlab. No specific facet requiring emphasis has been pinpointed, thus the professional should be prepared to examine battery performance analysis, battery management system design and battery charging optimization. Skills required: - Expertise in Matlab - Understanding of Battery systems and their Optimization Experience with battery systems and Matlab is highly desirable. We need a flexible approach, capable of dealing with potential shifts in focus, as specific requirements for battery capacity or voltage have not been provided, nor has the intended use case for batteries been identified. This could range from electric vehicles, renewable energy storage, to por...
...with mobile app development for BLE communication (Android or iOS) is a plus. Familiarity with power optimization techniques for extended battery life in embedded systems. Excellent communication and collaboration skills. Deliverables: Fully functional pressure sensor system using the nRF52840 DK and chosen pressure sensors. Well-documented source code for the nRF52840 DK firmware. (Optional) Mobile app for pressure data visualization and control (if applicable). Budget: Please specify your competitive budget range for this project. Timeline: Outline a realistic timeline for project completion, considering the complexity of sensor selection, app development (if included), and integration. Additional Information: Briefly describe the intended application of the pressure...
I'm looking for a freelancer who can help me edit a large number of inspection templates on iAuditor/SafetyCulture. Key Project Details: - You'll be tasked with making basic text and layout adjustments to the templates. These changes will be simple and not involve in-depth content revisions or complex logic and scoring system integrations. - The project will entail editing more than 10 templates, so efficiency and attention to detail are key. Ideal Skills and Experience: - Proficiency in using iAuditor/SafetyCulture is essential. Previous experience with this platform is highly preferred. - Strong attention to detail and an ability to make precise, consistent edits across multiple templates. - Prior experience in template editing is a plus, though not mandatory. I'...
I'm looking for a professional to enhance my existing machine learning code. I have done the following steps: 1.) data download 2.) EDA 3.) Features engineering 4.) Model training Next (Todo) Given a new schedule of upcoming matches (live data) 1.) Make Live predictions. This involves preprocessing a new (unknown) dataset using the features engineering methods above. 2.) Apply (new_preprocessed_data) and model.predict_proba(new_preprocessed_data)
I have a technical paper where the code was written in Python. I need an experienced coder who can help re-write the entire code in a more efficient and effective way. Key Project Specifications: - Regenerate the complete existing Python code from the technical paper - Aim to enhance code performance without altering the core functionality - Ensure the re-written code aligns with the current best practices of Python Ideal Skills and Experience: - Robust experience in Python programming - Proficiency in code optimization and refactoring - Strong understanding of computer science principles and algorithms - Previous experience in code regeneration and technical paper coding is a plus Please provide examples of your previous work and specif...
I'm looking for a skilled app developer to build a Remote Desktop Protocol (RDP) application for Android devices, intended for business usage. Ideal skills and experience for this project include: - Android development experience: You should have prior experien...working with multi-touch gestures: The app should support multi-touch gestures enabling users to interact more intuitively. - Sound redirection capableness: The app must be able to redirect audio from the remote machine to the local device. - Multisession handling capabilities: The application must effectively handle multiple simultaneous sessions. - Remote control functionality: The application should also allow for remote control of the device from afar. Please provide evidence of similar projects you...
...manufacturing quality. Given the importance of the Saudi market, the presentation will cater to this regional focus. Key Aspects: - Start from the first Industrial Revolution, tracing the changes that manufacturing quality has undergone up to the present day. - Define key milestones, challenges and opportunities in the enhancement of manufacturing quality, such as: - The introduction of quality control methods - The implementation of Six Sigma methodology - The adoption of ISO standards Ideal Skills and Experience: - Strong understanding of the manufacturing sector and its historical development - In-depth knowledge of the four industrial revolutions - Proficiency in artificial intelligence and its applications in manufacturing - Awareness of the Saudi market and its ...
...autonomous industrial robot. The tasks to be accomplished include motion planning, collision detection, and manipulation control. I require a high level of customization, involving many custom components and behaviors. Key Responsibilities: - Implementing motion planning for the industrial robot - Designing and implementing collision detection system - Developing manipulation control functionalities - Customizing ROS2 MoveIt for the industrial robot The ideal candidate for this project should have: - Extensive experience with ROS2 MoveIt - Prior experience working with industrial robots - Strong understanding of motion planning, collision detection, and manipulation control - Ability to work with a high level of customizability - Good problem-solving skills - Exc...
I'm looking for a skilled MERN stack developer to help me in building a web application. Key responsibilities include: - Frontend Development: You'd be responsible for ensuring the application is user-friendly and visually appealing. - Backend Development: As the backend developer, you'll be in charge of implementing the server, application logic, and database. - Database Integration: You should be able to set up, manage and interact with the database seamlessly. The main purpose of this project is to build a web application. As such, you should be able to work on both the frontend and backend of the application. The most important feature for this web application is user authentication and authorization. So, you should have experience implementing secure user au...
I'm looking for an experienced SEO specialist to help boost my Etsy shop's visibility, drive organic traffic, and enhance product ranking in relevant categ...relevant categories. Key Responsibilities: - Analyzing my shop's current SEO status - Implementing strategies to increase visibility in search results - Driving more organic traffic to the shop - Focusing on improving product ranking in relevant categories Ideal Freelancer: - Proven experience in Etsy SEO - Capable of formulating and executing effective strategies - Strong understanding of Etsy's algorithm and best practices - Creative approach to enhancing product visibility - Excellent communication skills and professionalism Please provide examples of your past work and experience in applying SEO to E...
I'm on the lookout for a seasoned professional with profound knowledge and experience with Arduino and motor control. Ideally, you should have: - Extensive experience with Arduino programming. - Understand how to code for servo motor control. - Significant background with sensor data collection and device communication. Specifically, your task is to develop an Arduino code to control a single servo motor. Your main role will be programming the Arduino to control the actuator and to communicate appropriately with the device. Proven experience in similar projects will be highly appreciated but is not mandatory. Extra points for creative problem-solving and the ability to work independently.
I'm in need of a knowledgeable and experienced freelancer to assist with the simulation aspect of a solar photovoltaic system using Matlab. Key Tasks: - Conduct a comprehensive simulation of the system - Provide reports and interpretation on varies aspects of the simulation Due to the client's omission on the specific focus and performance metrics, the freelancer must be capable of conducting an all-encompassing simulation. Ideal Skills: - Extensive experience with Matlab - Broad understanding of solar photovoltaic systems - Capacity to interpret and present simulation results efficiently - Ability to conduct a thorough simulation without specific focus points. I look forward to collaborating with you on this project. Please ensure you can meet the skill...
I'm looking for a programmer who can help me create a time series forecasting model using Python. The main aim is to predict the future default rates on lending loans based on past data. Key Requirements: - Past data includes monthly default rates till a specific time period. - The time period for which the default r...the given data. Moreover, if a new customer takes loan what would have been the default rates of that customer if the customer had joined some time back in the past. Ideal Skills and Experience: - Proficiency in Python and relevant data science libraries (e.g., Pandas, NumPy) - Strong understanding of ML Model especially LSTM will be preferrable. Your deliverables will include the forecasting code, any preprocessing steps needed, and documentation on how to...
I need a skilled programmer to write Arduino code that accomplishes the following tasks: - Ability to control LEDs. - Command a Servo Motor to make randomized movements. - The code should allow for control over motors and other actuators. Ideal experience for this project would include proficiency in Arduino coding and electronics, with a particular focus on controlling servo motors and LEDs. Understanding of random movement patterns is a bonus. I rely on your expertise for effective and efficient control of these components.
