Machine learning projects in python jobs
I'm seeking a meticulous freelancer to help me input mixed data (text and numerical) from paper documents into a single Excel worksheet. Ideal Skills: - Proficient in Excel - Excellent attention to detail - Experience in data entry from paper documents - Able to handle mixed data (text and numerical) - Familiarity with OCR software to convert printed or handwritten text into machine-readable data. - Expert in verifying data entries for accuracy and completeness. - Proficiency in organizing and managing files to ensure data is easily accessible. - Basic mathematical skills to handle numerical data accurately. - Ability to handle sensitive information with a high level of confidentiality. The project involves less than 100 pages of data. The preferre...
I'm looking for a professional who can both convert plant images from RGB to HSI and analyze them using machine learning. The image analysis will involve tasks such as classification, segmentation, and object detection. Key Requirements: - Expertise in image processing and machine learning - Experience with plant images is a plus - Proficient in converting images from RGB to HSI - Skilled in implementing machine learning tasks for image analysis The ideal candidate will have a robust understanding of both image conversion and machine learning techniques. They will be able to provide insightful analysis on the plant images.
...expertise in modern web technologies, backend development, and AI-driven solutions. Proficient in building scalable applications using React, , , and Node.js, combined with the power of TypeScript and TailwindCSS for efficient, maintainable front-end design. Possesses advanced skills in Python, Django, and Data Management, enabling seamless integration of back-end systems and databases. With experience in Machine Learning (ML) and Natural Language Processing (NLP), delivers intelligent, data-driven solutions tailored to business needs. A Blockchain enthusiast with hands-on expertise in developing decentralized applications and integrating cutting-edge technologies. Proficient in AWS and Firebase, ensuring robust cloud-base...
...professional with expertise in machine learning and image analysis to assist me in classifying textures in digital photos. The project primarily revolves around: - Image Classification: The main task at hand is to develop an algorithm that can efficiently classify different textures present within the digital photos. - RGB to HSI Conversion: A specific requirement for this project is the conversion of RGB images to HSI (Hue, Saturation, Intensity) format. This is crucial for the texture classification process. - Feature Extraction: Utilizing machine learning techniques to extract relevant features from the images will be key in improving classification accuracy. Ideal candidates for this project should have: - A solid background...
...Expectations from the Freelancer: Proven experience in developing POS systems or similar software. Expertise in backend technologies (e.g., Python, PHP, Node.js) and frontend frameworks (e.g., React, Vue.js). Familiarity with hardware integration (barcode scanners, printers, touchscreen). Development of an intuitive backend for product management and reporting. Reliable communication and timely delivery. Provide documentation and, if possible, training on the software. Budget and Timeline: Budget: Open to discussion, depending on the proposal (please include a rough estimate). Timeline: Completion within 6–8 weeks (flexible upon agreement). Additional Information: The system will be used in a self...
Are you passionate about AI and SQL? Join us as a SQL Annotator! We're seeking talented annotators with a strong grasp of SQL, an eye for detail, and a drive to enhance Machine Learning. Knowledge of Semantic models is a plus. Your role involves refining Semantic models and crafting SQL queries to tackle complex data challenges. Fluency in English is essential. Apply now and demonstrate your skills: CV/profile required.
I require assistance with modifying banners on my WordPress site and some parts of the attorneys section. Please review the attached files for details. My budget for this task is $10. Key Tasks: - Change WordPress site banners a...some parts of the attorneys section. Please review the attached files for details. My budget for this task is $10. Key Tasks: - Change WordPress site banners as per attached files - Edit parts of the attorneys section - If unable to edit, provide a demonstration so I can do it myself Ideal Skills: - Proficiency in WordPress - Experience with website banner editing - Good communication skills for teaching Tools: - Anydesk for real-time assistance Please note, I am open to learning but would prefer a more hands-on approach where you demonstrate t...
I am seeking a dedicated, full stack Python/Django developer for a long-term partnership focused on web application development. The ideal candidate will have extensive experience integrating with React, and will be able to implement robust CRM-style user authentication systems. Key Requirements: - Full stack expertise in Python and Django - Proven experience in web application development - Proficiency in integrating with React - Knowledge and experience with CRM-style user authentication - Ability to deliver high-quality, maintainable code - Ready for a long-term collaboration Skills and Experience: - Python, Django - Full stack development - Web application development - React integration - CRM user authentication systems
Hi i am looking for best backend or front end devloper to fulfil my requirents for e-learning website. Currently i am using tutor lms pro plugin. I need some design, backend customization and the details will be given below. Job Role:- 1) All of our course will be paid but in our gigs/course, if someone checkout, we will give a dummy checkout page (Need customization) 2) To access all of our paid course, we will create a hidden private sign up link/ If someone sign up with thos link they will get access all of our courses for free 3) Easily create 100's of review by myself 4) Other people if put review then it will not publish until admin approved 5) Next thing you need to embed video as well in the course section with my video hosting platform and add title...
I need an Android mobile app developed for my STEM project. The primary function of this app will be serving as a resource/library. It should be designed to facilitate learning and interaction with STEM concepts. Key Features: - The app should be able to support interactive experiments, helping to move my project forward. - It should be well organized and easy to navigate, containing a variety of STEM resources. Ideal Skills: - Experience in Android app development is crucial. - Prior work on educational or STEM-focused apps will be highly regarded. - Skills in creating resource/library apps will be beneficial.
I'm looking for a WordPress developer who can create a bespoke LMS (Learning Management System) theme based on my own design. The primary focus of this website will be educational courses, so the theme needs to be tailored towards this type of content. Key Requirements: - Implementing quiz functionality within the theme - Integrating features for user engagement and interactivity Ideal Skills: - Proficient in WordPress theme development - Experience working with LMS platforms - Understanding of educational website requirements - Ability to translate designs into functional themes Please note, while I have specific requirements for quiz functionality, other features may be added depending on your expertise and suggestions. I'm looking for a developer who can not o...
We are looking to develop a cutting-edge real estate platform tailored for golf course properties. This website will offer AI-driven property descriptions, integrate immersive golf course virtual tours, and provide unique real-time data, making it the top destination for golf enthusiasts interested in buying homes on or near golf courses. The project will require building a user-friendly front-end and robust back-end with AI-powered features, multimedia integrations, and real-time data. Complete website, meta tagged and SEO ready, APP for Android/iOS Project Requirements Breakdown: Core Features of the Platform: 1. AI-Powered Property Descriptions Objective: Automatically generate dynamic and personalized descriptions for golf course properties. Details: Use AI to create unique p...
I'm experiencing functional bugs with my FastAPI application's API endpoints. The bugs result in unexpected errors, and they need to be addressed to restore proper functionality. Ideal Skills: - Proficient in FastAPI and Python - Experience with debugging and troubleshooting API endpoints - Familiarity with implementing functional enhancements in FastAPI applications - Good understanding of API design and development Please only bid if you can demonstrate relevant experience and have a proven track record of successfully fixing bugs in FastAPI applications.
I need a skilled freelancer to scrape product information from a specific website. The task involves extracting a total of 841 entries accurately and efficiently. The data fields required include product name and price, product description and images, and p...involves extracting a total of 841 entries accurately and efficiently. The data fields required include product name and price, product description and images, and product specifications and reviews. The ideal candidate should have experience with web scraping tools and techniques, ensuring clean and organized data output in CSV format. Key Requirements: - Web scraping expertise, preferably with Python - Attention to detail for data accuracy - Ability to deliver results in a timely manner - Providing the code us...
I'm looking for a skilled developer to create an automated script that scrapes products from an eCommerce site. The script should capture comprehensive product details and export them into a CSV file via Excel. Key Requirements: - The script needs to operate automatical...should capture comprehensive product details and export them into a CSV file via Excel. Key Requirements: - The script needs to operate automatically, without manual intervention. - It should meticulously gather: - Photos and text - Price and description - Category and SKU Ideal skills include web scraping, Python or similar programming language expertise, and experience with data handling in Excel and CSV formats. Please ensure your proposal includes relevant past projects, as well a...
I'm looking for an expert in deep learning and PyTorch who can assist in fine-tuning a model on the CIFAR-100 dataset. The primary goal is to improve the model's accuracy through various techniques, including data augmentation, hyperparameter tuning, and adjustments to the model architecture. Key Requirements: - Extensive experience with PyTorch and deep learning - Proven track record in model tuning - Ability to implement data augmentation strategies - Skilled in hyperparameter tuning - Proficient in model architecture adjustments I am open to suggestions for data augmentation and preprocessing steps, so a creative approach to enhancing the dataset is a plus. Please provide examples of previous similar projects you have w...
I'm in need of a senior developer with a strong focus on frontend and backend development, specifically on AWS. The ideal candidate should be well-versed in Python and have a solid understanding of task automation in the derivatives market. Key Responsibilities: - Implementing a React-based frontend - Developing a FastAPI backend on AWS - Automating tasks related to data processing and workflow Skills and Experience: - Proficiency in Python, especially for task automation - Extensive experience with React for frontend development - Expertise in FastAPI for backend development - Strong understanding of AWS services - Prior experience in the derivatives market is a plus - Proficiency in managing and optimizing databases, i...
Project Title: Automation of Stock and Option Trading in NSE and BSE Objective: To develop an automated trading system for stock and options trading in NSE (National Stock Exchange) and BSE (Bombay Stock Exchange) based on our proprietary trading methods and rules. The system should integrate with multiple brokers, execute trades as per predefined conditions, and provide real-time analytics and reports. Scope of the Project: Trading Strategies: Automate trades based on the following methodologies: Candlestick Patterns: Identify and act on specific candlestick formations. Fibonacci Levels: Recognize retracement and extension levels for trade entries/exits. RSI (Relative Strength Index): Execute trades based on overbought/oversold conditions. Elliott Wave Theory: Use pattern ...
...progressive web application developer who is proficient in PHP, Python, Ruby, etc... Design: - I do not have a design for the web application and will need assistance in creating one. Functionality: - The desired functionality of the web application is user registration and authentication, e commerce, geo location, AI YOU MUST PLACE CODE 184 in your opening sentence to be considered for this. Code is used to differentiate between automatic bids (which will be immediately ignored). Skills and experience required: - Proficiency in PHP, Python, and Ruby - Experience in designing web applications - Knowledge of user registration and authentication processes - camera functions on mobile device -image processing - YOU MUST BE FLUENT ...
I am seeking a dedicated tutor to help me with my GCSE Maths preparation. I need support with specific topics including Algebra, Geometry, and Statistics. All tutoring sessions will need to be conducted online via video calls. Ideal skills and experience for the job: - Expertise in GCSE Maths, particularly in Algebra, Geometry, and Statistics - Experienced and patient online tutor - Ability to explain complex concepts in an easy-to-understand manner - Flexible and accommodating to different learning paces Please provide your relevant experience and proposed schedule.
...Management • Staff Handover of Kids • Add a staff member. • Manage staff leave types, staff list, staff rota, staff register, staff login, staff leave, and staff attendance. • Attendance • Track attendance for the agreed schedule. • Associate room and transfer from one room to another. • Associate to a staff member. • Manage leave types. 3. Learning • Curriculums • Activate and manage curriculums to use at the nursery. • Display and edit general learning settings. • Show child overview section on formative reports. 4. General Enquiry • Enquiry Management • Add room, manage enquiry settings, enquiry form, enquiry pipeline, enquiry source, lost reason, enquiry reason. • Implement chatting with WhatsAp...
I'm looking for a seasoned professional, with expertise in design and engineering, to help with the overall design of a water jet cleaning machine. The machine should be: - Waterproof - Aesthetically pleasing - Sturdy and durable - Simple in construction The ideal candidate will not only have a strong background in technical design, but will also be able to ensure manufacturing feasibility. Experience in creating designs that are both functional and appealing is crucial. This project will involve working on the overall design of the machine, so you're expected to have a comprehensive understanding of design principles.
I'm looking for a Python expert to write code for training a model to detect weed regions in images, using pre-labelled datasets. Key Requirements: - Python: Proficiency in Python is a must. - Machine Learning: Experience with industry-standard ML frameworks is essential. You can choose between TensorFlow, PyTorch, or scikit-learn based on your preference and expertise. - Image Processing: The project involves the output of segmentation masks of weed regions from the model. Your task will be to develop a model that can accurately identify and segment weed regions in various images. The end result should be segmentation masks that delineate weed regions from non-weed regions in the images. Use guidelines from this githu...
I have a Python script used for monitoring uptime of a specific protocol. It needs some quick tweaking, and would also like to get it to make a DNS change via the Route 53 API (AWS) when the uptime check fails. The script should then revert the DNS change once uptime is restored. Key Requirements: - Tweaking of the existing Python script to improve its functionality and performance. - Implementing a new feature to interact with the Route 53 API. - The script should be able to initiate a DNS change if a failure is detected. Ideal Skills: - Strong proficiency in Python. - Prior experience with AWS Route 53 and API is required. - Excellent problem-solving skills to enhance script performance and functionality.
...guide us, provide assignments, and evaluate our progress. Key Requirements: - Deep understanding of MLOps: We are interested in learning about all related topics including model deployment, pipeline automation, and monitoring and maintenance etc. - Experience with Machine Learning: Since we have an beginer level of ML experience, we expect our mentor to help us bridge the gap to MLOps. - Ability to create meaningful assignments: We find hands-on coding tasks, theory-based assignments, and project-based learning all beneficial, so a mix of these would be ideal. The ideal mentor would have a comprehensive understanding of MLOps, a strong background in machine learning, and the ability to create engaging, educational assignments....
I'm looking for a collection of self-paced tutorials focused on graphic design, specifically on logo design. The tutorials should cater to a beginner's level and progressively lead to more advanced concepts. Ideal Skills and Experience: - Expertise in graphic design - Experience in creating or curating educational content - Understanding of logo design - Ability to structure content in a progressive manner - Knowledge of self-paced learning methodologies
I'm in need of expert assistance with the Build stage of my Azure pipeline which utilizes Python. Ideal skills and experience for the job: - Proficiency in Azure pipelines, particularly the Build stage. - Extensive knowledge and experience with Python. - Previous experience in setting up, monitoring, maintaining, and optimizing Azure pipelines. - Excellent troubleshooting skills.
I'm looking for an expert Odoo 17 Developer with Python experience. Need to add 1 feature and fix 1 issue Put 'Pink' in your bid to know you have read Thanks
...the overall imbalance between buy and sell orders. - Adjustable imbalance threshold (default: 60%). 2. Market Order Analysis - Assess activity of buyers and sellers using market orders. - Adjustable time interval for analysis. - Threshold values for market order activity to confirm signals. 3. Combined Analysis - Ensure two conditions are met: 1. Imbalance in the order book. 2. Imbalance in market orders. - Open a position only when both conditions align. 4. Position Management - Automatically open positions when the conditions are met. - Position size is defined as a fixed dollar amount from the account balance. - Adjustable leverage setting. - Automatically set stop-loss and take-profit levels immediately after a position is ope...
...assist us in optimizing our LLM usage, tackling current challenges, and refining our architecture. Role & Responsibilities: Assist in analyzing and optimizing the performance of LLMs within our application. Provide guidance on Retrieval-Augmented Generation (RAG) techniques to improve model output quality. Offer recommendations for designing a scalable and efficient data architecture. Implement best practices in prompt engineering to enhance model effectiveness. Collaborate with developers and stakeholders to ensure seamless integration of LLM capabilities. Assist in handling and preprocessing data to improve model training and inference. Provide strategic insights and recommendations for improving system robustness and efficiency. Requirements: Basic to ...
...within the realm of Science and Technology, specifically focusing on Business Management and Machine Learning & AI. I have all the necessary content, but I require help in organizing it effectively. Key Tasks: 1. Structure the report into the provided sections: Abstract, Problem Statement, Analysis, Case Studies, Summary. 2. Adjust the length of the synopsis to a minimum of 4,000 words. 3. Manage and cite a minimum of 30 references using Zotero, adhering to the APA referencing style. 4. Ensure the final document has a similarity index not exceeding 10% on Turnitin. Ideal Skills and Experience: - Proficient in academic writing and structuring. - Familiar with Science and Technology, particularly in Business Management and ML & AI. - Experienc...
3-Phase Induction Machine Modelling & Control
...containing approximately 300,000 domain names. I need a Python script that will integrate with an LLM API (like ChatGPT) to process this file. The script should send the domain list to the LLM with a prompt to identify potential phishing domains. The flagged domains returned should be saved in a file named , with one domain per line. Key Requirements: - Efficient and scalable solution for daily use. - Clear documentation for seamless deployment and usage. - Ability to handle large files through batch processing, respecting the API's rate limits. Please note that I will not provide an API key, so ensure to include this cost in your bid. The ideal freelancer for this project should have: - Strong experience in Python. - Familiarity with LLM APIs. ...
...markdown files full of math exercises in French and folder with their answer keys. I would to process them to generate new math exercises with answer key. To do so, we can use a chatbot API like the one from chatgpt. First we need to extract each exercise with its number. For example the first exercise is : Number: "NO2" Exercise: "Si je pense à un nombre, je lui retranche (-12) et je trouve 3. Quel est ce nombre?" Here is the exercise is not well written, so we can use an AI API to rewrite it: Number: "NO2" Exercise: "Si en pensant à un nombre, en lui retranchant (-12), on trouve 3, quel est ce nombre ?" Often there is unnecessary content between the exercises that needs to be removed. Each exercise with its number has...
...Response field: The answer the user seeks -Customer(2 pages) The first page: Trainer page (where the customer trains the learning materials) The second page: Reply page for questions the bot cannot answer (where the customer provides answers to those questions) ✅Workflow for this app: The user inputs voice, text, images, and other files in the request field. When the user sends a request, the bot can respond to text and images but not to other files (e.g., PDFs). In such cases, the bot forwards these files to the customer. The customer then reviews the files received from the bot and sends the answers back to the bot. Finally, the bot delivers the answer to the user. In here, when the input is voice, the output is one too. when the input is text, t...
...headers in outgoing emails. Link Rotation: Automatically rotate links within email bodies to avoid detection. Sender Name Rotation: Rotate sender names dynamically for each email sent. Performance-Oriented: Must be able to handle high-volume email sending efficiently. Tech Stack: Ideally built in Go, Python, or Node.js for performance and reliability. Requirements: Proven experience with SMTP protocols and email sending systems. Familiarity with email spoofing techniques and header management. Knowledge of anti-detection mechanisms and email best practices. Clean, maintainable, and scalable code with documentation. Optional (but preferred): Experience in building similar tools. Knowledge of security practices to avoid detection and ensure high deliverabilit...
I'm in need of a developer who can create a bot that adds items to a shopping basket based on specific keywords detected in user input. The bot should be able to: - Parse user input for relevant keywords. - Match these keywords with a predefined product catalog. - Add the matched items to a basket and show the total cost. The preferred tech stack for this project is Python or JavaScript. Any previous experience with NLP libraries such as spaCy or NLTK would be considered a strong advantage.
We are seeking an experienced website designer to create a subscription-based educational platform focused on primary math. The platform will serve as an engaging and interactive learning space for young students. Below are the key details and requirements for the project: Existing Content and Features 1. Lesson Content: • Videos explaining each lesson. • Interactive exercises for each lesson, developed using mAuthor by Learnetic, featuring built-in correction and grading mechanisms. • Custom characters and a consistent color palette integrated into the video and lesson designs. 2. Core Functionalities: • Accumulation and tracking of grades for each student. • Integration of an AI teacher to: ...
I need a Python expert who can help me develop an automation script for monitoring my databases. Key Responsibilities: - Develop a Python script that can systematically monitor our databases. - Ensure the script can handle various database types. - Implement alerts for system anomalies or irregularities. Ideal Skills and Experience: - Proven experience in Python programming, specifically in creating automation scripts. - Prior experience in system monitoring is a plus. - Familiarity with various database types is highly desirable.
I'm looking for an experienced Amazon Kindle tamil eBook publisher in tamil to help me publish an educational eBook targeted towards adults. The topic of the eBook is not yet finalized, so I'm open to suggestions, particularly in the fields of health and gynecology Key Responsibilities: - Provide expertise on the Kindle tamil eBook publishing process. - hard cover selling. - want to publush my own id Ideal Skills and Experience: - Proven track record of publishing successful Kindle eBooks. - Strong understanding of health content and adult learning principles. .
I am looking for an expert in Django, Python, and Google Sheets API to help automate some tasks. Key Requirements: - Task Automation: Primarily focusing on automating data processing tasks. - Data Transformation & Formatting: This will involve manipulating data into a suitable format for analysis. - Develop an automation script using Python - Utilize the Google Sheets API to synchronize data for our Django website Ideal Skills: - Proficient in Python - Extensive experience with the Google Sheets API - Strong background in automation and scripting - Understanding of data synchronization processes - Skill in Django is bonus Ideal Skills: - Proficiency in Python...
I'm looking for a skilled developer to create a WordPress plugin for my Abacus and Vedic Maths webs...challenges aimed at children aged 6-12 years. Key Requirements: - The plugin should deliver interactive exercises in the form of timed challenges. - The challenges should be suited for children (6-12 years), engaging and educational. - Strong proficiency in WordPress plugin development is essential. - Prior experience with creating educational plugins or games will be a significant advantage. - Understanding of Abacus and Vedic Maths is a plus. - Ability to deliver a user-friendly, bug-free plugin on time. The goal of this project is to enhance the interactivity of my website and make learning more fun for kids. Please provide examples of similar projects...
I'm looking for a Python developer proficient with Zerodha's API to create an algorithm for stock trading. The code should be written in Python 3.8 or newer and is required to handle authentication with the Zerodha API autonomously. The algorithm will monitor Nifty's 750 stocks with a market capitalization exceeding 1000 crore during trading hours (09:15 AM to 03:30 PM). It should execute trades based on a series of specified conditions using various technical indicators. Key Requirements: - The algorithm should check if the current price (1 minute closing) is greater than the 1 Week HMA(30) and less than the 1 Week HMA(44). - It needs to evaluate if both lines of the (1 week MACD(3,21,9)) are below the zero line. - It should count if the (1 week MACD(...
Ideal Skills and Experience: - Proficient in Python or similar programming languages - Experienced in building Telegram bots - Knowledgeable about cryptocurrency trading and exchanges - Familiar with APIs of major crypto exchanges - Excellent problem-solving skills and attention to detail
I'm looking for a heartfelt poem about Mohd Faizan, a 10th-class student from Jammu. The poem should be brimming with hope and should follow an AABB rhyme scheme. It should particularly highlight themes of education and learning, showcasing Faizan's journey through school and his aspirations. Ideal skills for this project would include strong poetic ability, understanding of the specified themes and emotions, and an ability to write in a specific rhyme scheme.
I need a Python-based solution to convert tabular data from image files into Excel. The solution should include a simple front-end app with specific features. Key Requirements: - The front-end app should allow users to upload image files containing structured data and download the resulting Excel sheet. - The data in the images consists of handwritten format i want data to extracted in specify way numbers are in format of 6688/10 5853/5 and so in . I want numerators should be sorted in one column with title model no and denominator should me in next column with quantity App should have API key as well so that i can integrate ion my existing application the conversion process needs to accurately capture the structure of the data. - Pro...
I'm looking for a collection of self-paced tutorials focused on graphic design, specifically on logo design. The tutorials should cater to a beginner's level and progressively lead to more advanced concepts. Ideal Skills and Experience: - Expertise in graphic design - Experience in creating or curating educational content - Understanding of logo design - Ability to structure content in a progressive manner - Knowledge of self-paced learning methodologies
I need help setting up a Python-based AI trading bot on a Windows or Linux Amazon server. The bot's code is complete, I just need someone to: - Configure the code and database on my server - Add approximately six API credentials for various systems, including Telegram and BONKbot - Ensure the bot interacts correctly with BONKbot on Telegram The bot is designed to perform automated buy and sell orders based on its checks of selected coins. Ideal skills and experience for this job include: - Extensive knowledge of Python - Familiarity with Solana blockchain technology - Experience setting up trading bots - Proficient in working with Windows or Linux servers and databases - Ability to configure and add API credentials I look forward to working with a profession...
I'm looking for a seasoned software analyst who can assist with code analysis tasks for our diverse codebase. The primary aim is to enhance the quality of our code across various languages. Key Responsibilities: - Conduct thorough code analysis using SAST - Identify areas for quality improvement Ideal Skills: - Proficiency in code analysis - Extensive experience with Java, JavaScript, Python, and C# - Strong understanding of SAST tools - Excellent problem-solving skills - Ability to communicate findings clearly
I'm looking for a professional to transform my logo into a flat embroidery pattern for standard-sized shirts. The logo will be embroidered on the shirts, so it should be suitable for that purpose. Ideal Skills and Experience: - Prior experience in converting logos to embroidery patterns - Expertise in flat embroidery techniques - Understanding of shirt embroidery requirements - Knowledge of suitable medium-sized (3 to 6 inches) patterns - Strong attention to detail and quality The machine I use is the Brother Innovis NV880E