Connecting bluetooth headest toshiba bluetooth stack jobs

I need someone who can simplify a c++ project for me. The project is the openDTU repository on GitHub () . I want just the inverter control functionality without all the web and cloud connection stuff. I want a library where I can add a device and control it on a ESP32 directly without connecting it to the internet.

Im seeking a skilled Full Stack Developer to join our team in building a local freelancer platform. The platform will connect job seekers and posters, facilitating the posting and bidding of jobs, as well as managing project progress and payments. The ideal candidate will have expertise in both front-end and back-end development, with experience in TypeScript frameworks for server-side rendering and React.js or Vue.js for web development, as well as React Native or Flutter for mobile app development. Responsibilities: - Develop user authentication and profiling features, including sign up, basic details collection, and user categorization. - Implement job posting functionalities, allowing users to create detailed job listings with prompts and boilerplate templates. - Design and...

I'm looking to build an electronic device tha...should have a large, easy-to-read display to make the readings straightforward and accessible. - Bluetooth Connectivity: I'd like the device to connect to smartphones and other devices, allowing for data tracking and easy sharing with healthcare providers or family members. Ideal Skills: - Experience in health monitoring device development, especially blood pressure monitors. - Proficiency in electronic device design and production. - Knowledge of Bluetooth connectivity and app integration. - Able to create a user-friendly interface and large display. If you're confident in creating innovative health monitoring devices, especially with a focus on blood pressure, and you're skilled in Bluetooth connec...

I need an experienced Android developer to create an IoT app. - The primary function of the app will be asset tracking within a distributed control system. Ideal Skills: - Java based development for Android application - Able to use the resources/SDK at primary function of the app will be asset tracking within a distributed control system. Ideal Skills: - Java based development for Android application - Able to use the resources/SDK at Expected output: - Very basic app to demo one message publish to AWS topic and receive one message from subscribed topic - Demonstrate the mobile app connecting to AWS IoT and Sub-Pub on a topic - Use TLS certs (client, private and root) Looking forward to your bids.

I'm in need of a social media expert to resolve an issue I'm encountering while trying to link my Facebook page with my Instagram account. Here's a breakdown of the task: - **Problem**: The primary issue I'm facing is in linking my Facebook page with Instagram. The two accounts are not connecting as expected. - **Background**: I've never linked my Facebook page to a different Instagram account before. This is the first time I'm attempting the connection. - **Goal**: The key objective of linking these two accounts is to manage them more efficiently. I believe that the seamless connection of the two will streamline my social media presence and operations. Ideal candidate for this task should have: - **Proven Experience**: In resolving Facebook-Instag...

The task would involve establishing and implementing the fundamentals. This includes designing the database structure, connecting it to the backend, and establishing the connection between the backend and frontend. Backend: .NET Core C#, Frontend: ReactJS with TypeScript. The program uses spoonacular API

In search of an experienced recruiter with keen insights into the Pakistani IT market. The ideal candidate must have a proven record in hiring senior-level IT professionals. Special emphasis is on the skill sets of: - Web Development - UX/UI Design - DevOps - QA testers Knowledge of the local IT culture and trends will be a major advantage. Looking forward to connecting with a diligent professional to fill these roles as efficiently and effectively as possible. This is an expansive role that requires a wide network and innovative recruiting strategies.

... - liked the web design. Other requirements: - May add 3 short videos promos to be uploaded by you. - Prepare the web for optimum SEO + +. This on page SEO optimisation and 20 backlinks included. High Level Security SSL and certificate to be included. Google Office location etc, Chat with us – AI (Chatbolt). The candidate business that will take this project will have: - FULL stack developer will be favourable for future work - High level of communication in English - Launching the website code, bug and error free. Will also provide support for at least the first 3 months after launch. - Extensive business and technical testing on website and mobile devices. - A portfolio showcasing the business worked on. Similar projects will be advantageous. - Excellent proble...

Project Overview: We are seeking an experienced developer with expertise in image processing using OpenCV. The project aims to develop an application capable of detecting and analyzing specific shapes within complex images representing a stack of metal parts with known CAD drawings and the task is to identify types and counts of these metal parts in a given image. The focus will be on creating a robust system that can accurately identify and outline shapes against varied backgrounds and under different lighting conditions. Project Objectives: Create an efficient image processing application using OpenCV. Develop a method to detect shapes with high accuracy in images that have complex scenes. Ensure the system is versatile enough to handle different image qualities and operational s...

I'm in need of adept lead generation experts who specialize in the real estate industry. My aim is to identify potential residential leads within specific urban areas. Requirements: - Previou...My aim is to identify potential residential leads within specific urban areas. Requirements: - Previous experience in real estate lead generation or related areas. - Deep understanding of urban residential markets. - Ability to accurately target and capture leads from this specific geographic region. This task requires substantial experience and a result-driven mindset. I look forward to connecting with professionals who can deliver on these requisites. We are specifically looking for freelancers who are well versed with gurgaon market and have successfully delivered projects of...

Knowledge of technology required -> Frontend: ReactJS or Vue.js or AngularJS Backend Language: PHP Framework: Laravel Database Modeling: MongoDB, PostgreSQL, MySQL We want to create a CRM app with MERN/MEAN stack or Laravel and JS.

I'm in need of a skilled PHP developer to build a business website with a specific focus on Google API integration. Key Project Details: - I require a business website with a professional and modern design, suitable for representing services and connecting with potential clients. - Your expertise in PHP is crucial, as this site will be primarily built using this language. - An essential part of the project is the integration of Google API. It's essential that you're well-versed in this area to ensure the site functions correctly. Ideal Skills and Experience: - Proficient in PHP language - Experience in creating business websites - Strong understanding of Google API and its integration - Attention to detail for a clean and professional design.

I'm seeking a talented full stack developer for initial software development for a pathology lab. The software must be responsive, user-friendly, and robust, catering to patients, staff, and referring doctors. Here's what we need: 1. **Choice of Platform**: As the client, I am open to using Angular, React or PHP for the development along with SQL Server/MySQL for the database. Feel free to recommend a platform when you apply. 2. **Essential Modules**: - Building Patient Database (From existing Lab Software - Which will remain as is). This database will be used for Whatsapp , email , SMS Marketing (This also is part of scope) and also For Patient Web App interface. Whatsapp API interfacing will be required for sending and interacting with Patients. - Patient Web A...

...a mobile application focused on driving license verification. I've already designed the app in Figma, so the main task is coding and implementation. Key features: - **Real-time database integration**: This is the focal point of the app. It should connect with a license database and verify the status of the license. The app should be built for both Android and iOS platforms. I'd need the tech stack you plan to use in your proposal. The timeline for this project is ASAP, so I need someone who can deliver quality work under tight deadlines. Ideal skills for this project include: - Proficiency in mobile app development - Experience with real-time database integrations - Strong knowledge of security protocols for handling sensitive data - Ability to deliver high-quality...

Confirmis () is a Singapore-based business information provider specializing in connecting businesses with global capabilities; comprised of industry veterans, Confirmis's business model is designed to overcome perennial lack of data (let alone quality data) to support effective decision-making, particularly in developing economies. As a Site Verifier, you will be responsible for verifying a company’s existence through visual data by conducting a site visit to ensure that we provide reliable and accurate information to our client. JOB DESCRIPTION: • Conduct basic verification with the subject company’s authorized representative, such as line of business, key executives' names, etc. • Take pictures of the subject company and its vicinity, as per Confi...

The posting is for building and deploying the web application of a simple project where users can perform...where users can perform the following actions: 1. Login/Signup with a web3 framework integration (Alternatives: Web3Auth, Thirdweb) 2. Generating images given a user prompt 3. Listing of previously generated images 4. Sharing generated images on social media platforms (Just basic URL redirection would do the job) 5. Basic profile displaying and editing The tech stack is open to discussion, we'd love to hear your view on how each stack differs from each other in different aspects. Backend is fully ready, the API docs will be available pretty soon. The finalized design can be delivered within max. 1-2 days inside the desired platform of choice (Figma, Canva, etc.)...

...proper signal routing for data and power delivery. - Implement circuitry to support dynamic switching between male and female connectors as required. 6. On-board Cooling Fan Pinout (3/5V): - Provide connections for the on-board cooling fan, including power and control signals. Ensure compatibility with both 3V and 5V fan types. 7. WiFi 5: - Integrate the WiFi module into the schematic, connecting it to the appropriate interfaces on the RK3588 SoC and providing necessary power and antenna connections. 8. Power Connection via USB Type-C and Portable Battery Powerbank: - Connect the USB Type-C power connector(s) to the power input circuitry, ensuring proper power delivery and protection. - Include circuitry to switch between power sources (USB Type-C and battery po...

I'm in search of a talented full stack developer with strong UI/UX skills. This project requires a proficient understanding of HTML/CSS, React js and Laravel. Key Requirements: - Design: A minimalist and clean design is essential for this project. An understanding of how to bring simplicity to life on screen is highly valued. - Functionality: The project is centered around a Lucky Draw System that is credit-based. The developer must be able to implement this feature and integrate it with a Malaysia Payment Gateway, in this case, Toyyibpay. Additionally, the system must be able to send email notifications. Ideal Skills and Experience: - Proficiency in HTML/CSS, React js, and Laravel. - Strong understanding of UI/UX design principles, particularly for minimalist and clean desig...

I'm in need of a PCB design for prototyping purposes. The board's complexity is a double-layer one, and its dimensions are very small, up to 2 inches. The PCB design must be suitable for prototyping, so it should be well-structured, compact and efficient. Key details: - MCU: ESP32 - Interface: Wifi/Bluetooth - Number of sensors to be interfaced: 4 - Type: Prototyping - Complexity: Double-layer - Size: 40mm dia Ideal skills for this project: - PCB design experience, specifically in prototyping - Proficiency in designing double-layer boards - Ability to create compact and efficient designs - Familiarity with small form factor PCBs.

I need flutter developer redesign the user app for stack food

I am on the lookout for a seasoned copywriter who can articulate beautiful and engaging blog articles on current events. The ideal person should possess the following skills and knowledge: - Strong writing skills - Strong research skills - Familiarity with blog content - Understanding of current events and a keen sense of context...skills - Familiarity with blog content - Understanding of current events and a keen sense of context - Deadline-oriented, albeit there is no stringent time limit on this project Your main responsibility will involve covering different range of topics from politics, environment, business, technology, etc. The goal is to present an insightful and informative view to our readers. I look forward to connecting and discussing the project further with capable fr...

hello i am looking for 2 websites due tuesday. Coded front end and make it function for presentation

... Skills Required PHP JavaScript Website Design CSS HTML Skills Required PHP JavaScript Website Design CSS HTML Interested developers are invited to submit proposals outlining their approach to developing the above widgets, including timelines, technical stack, and relevant experience. Additionally, please provide examples of previous projects demonstrating proficiency in similar endeavors. Interested developers are invited to submit proposals outlining their approach to developing the above widgets, including timelines, technical stack, and relevant experience. Additionally, please provide examples of previous projects demonstrating proficiency in similar endeavors. Should you have any questions or require further clarification, feel free to reach out. We look forward ...

...you're able to send notifications into my what's app number from excel sheet, Then; You're welcome and this contest is for you. Details: I'm engineer, Working for an industrial company and really want to handle the spare parts with the inventory and purchasing managements for assuring that all spare parts available with certain quantities all the time. Requirements: **Data Synchronization**: The connecting should sync data between Excel and WhatsApp in background. - **Automated Messaging**: The Updated data values needed to send automated messages to one contact. These messages will be alerts, and The content of these messages will be generated by data within the Excel sheet. Very Important: Excel Formula/Script/Code/Macro/VBA Function or whatever you can ...

Confirmis () is a Singapore-based business information provider specializing in connecting businesses with global capabilities; comprised of industry veterans, Confirmis's business model is designed to overcome perennial lack of data (let alone quality data) to support effective decision-making, particularly in developing economies. As a Site Verifier, you will be responsible for verifying a company’s existence through visual data by conducting a site visit to ensure that we provide reliable and accurate information to our client. JOB DESCRIPTION: • Conduct basic verification with the subject company’s authorized representative, such as line of business, key executives' names, etc. • Take pictures of the subject company and its vicinity, as per C...

If you're a skilled full-stack developer with Python (Flask), Vue3, Docker and an AWS account, then this is the job you've been looking for. If you're associated with an agency, this is not the job you've been looking for - we are only interested in independent freelancers. No one associated with an agency will be considered. We have a rare opening for a full-time, long-term position working on a variety of projects both in-house and for clients. Our agile approach means that you can work pretty much whenever you like since getting things done is more important than simply showing up. You'll be working with and on our standard architecture, which is Vue3 + pinia on the frontend and Python + Flask + Docker on the backend. Please note that this position re...

I am looking for a freelancer to help design the optimal sales and marketing tech stack for b2b consulting business Skills and experience required: - Knowledge of the sales and marketing technology eco-system - Experience deploying CRM and other tech within B2B consultancies - Experience building B2B cold prospecting processes for B2B consultancies (e.g. SDR teams, lead gen and appointment setting) - If you have the skills and experience necessary for this project, please submit your proposal.

...our platform, the target demographic and encapsulating our success in compelling text-based ads. Please provide examples of similar work in your proposal. Website: Quotes (not limited to): "Unlock endless possibilities. Your dream job is just a click away." "Find your passion, find your purpose. Discover it all on our job portal." "Empowering careers, one click at a time." "Connecting talent with opportunity, shaping futures." "Where opportunities meet ambition." "Your next big break is waiting. Seize it here." "Elevate your career to new heights. Start your journey with us." "Navigate your career path with ease. Let us be your guide." "Empowering dreams, one job at a time." "Where t...

I am looking to set up a job website that caters to both job seekers and employers. For Job Seekers: - I need the website to have a job search functionality that allows users to look for jobs based on their prefe...applications more efficiently. For Employers: - Employers should be able to post job listings on the website. - I need a candidate management system that lets employers keep track of applicants, manage interviews, and make hiring decisions. - The website should include a resume search function that allow employers to easily find and filter through candidates' resumes. Ideal Skills: - Experience in full stack web development. - Proficiency in database management. - Previous work with job boards or recruitment websites. - Familiarity with UI/UX design for optimal u...

As an accounting and financial services company based in India, I'm striving to extend our horizon to Australia. As such, I'm in need of skilled freelancers who can: - Identify potential clients in Australia in need of comprehensive financial services, more specifically tax preparation, bookkeeping, and financial reporting. - Communicate with potential clients to ...have some familiarity with Australian tax laws and regulations or possess the willingness to learn as we may need assistance in this area. Prior experience in sales and marketing, specifically in the accounting sector is a bonus. Familiarity with Australian business culture and practices is also desirable. This job necessitates strong communication skills and a proactive approach in finding and connecting wit...

I'm looking for a skilled .Net developer to help me with an upcoming project. Your primary responsibility will be to design and develop a web application using C# as the main programming language. The application will be data-heavy and will require integration with MongoDB, so prior experience with this database is highly desirable. The ideal candidate for this project should: - Have strong expertise in C# and .Net framework - Be experienced in developing web applications - Have in-depth knowledge of MongoDB - Be able to work effectively as part of a team If you have a good understanding of modern design principles and can provide examples of past projects that showcase your abilities, I'd love to hear from you.

Looking for a skilled Web3 full-stack developer. While the client didn't list specific requirements, experience in smart contract development, blockchain integration and UI/UX design are generally important in this field. Potential freelancers should detail their past work, experience and provide a detailed project proposal. The ultimate aim of the project wasn't disclosed, but may include building a decentralized application, integrating blockchain technology, or creating a Web3 platform.

I'm on the hunt for a skilled Full Stack Web3 Developer to join my project. Although I didn't specify which programming languages are required, having knowledge or experience in JavaScript, Python and Solidity will be a huge advantage for this project. Ideal Skills and Experience: - Strong experience in Full Stack Development - Familiarity with Web3 stack - Proficiency in JavaScript, Python and Solidity Though I've missed providing the details on what to include in the application or the preferred frameworks or libraries, having experience or competence in React, Angular and Vue.js would be beneficial. You're encouraged to provide information about your past work, overall experience and a detailed project proposal when applying. Get in touch if...

We are seeking a skilled Full Stack Developer to join our team in building a local freelancer platform. The platform will connect job seekers and posters, facilitating the posting and bidding of jobs, as well as managing project progress and payments. The ideal candidate will have expertise in both front-end and back-end development, with experience in TypeScript frameworks for server-side rendering and React.js or Vue.js for web development, as well as React Native or Flutter for mobile app development. Responsibilities: - Develop user authentication and profiling features, including sign up, basic details collection, and user categorization. - Implement job posting functionalities, allowing users to create detailed job listings with prompts and boilerplate templates. - Design ...

...backend system is expected to be small-scale, accommodating only a few users and data. Key Responsibilities: - Implement user authentication functionalities: The backend should be able to handle user logins and registrations securely. - Manage the database: The developer should be able to set up and maintain the database effectively. Ideal Skills and Experience: - Proficiency in PHP and MERN stack technologies: The ideal candidate should be proficient in PHP and have experience working with MongoDB, Express, React, and Node.js. - Previous experience working on small-scale backend systems: It would be beneficial if the candidate has prior experience working on small-scale systems due to the nature of this project. Please provide examples of previous work you've done that ...

We are looking for a full stack developer to create a SAAS Web application for hr and accounting. We will form our entire online company around this one application. We will sell subscription access to this app to individuals and businesses. Desired features include: - Recruitment Management - Workflow management - Portal Management - Social Media Integration - Employee database management - Onboarding - Time off tracking - Attendance Tracking - Timesheet management - Performance management - Employee messaging - Expense management - Announcements - Departments and groups - Forums - Events and Tasks - Document storage and document knowledge base - Payroll management - Organisation chart - Emergency contacts - Employee benefits

I am in need of a skilled Full Stack Developer with significant experience in React Native for the development of a Learning Management System (LMS) application. The application will primarily target Android devices and will require integration with various systems and services. Key Features: - User Registration & Login: The app needs to provide an intuitive registration and login process. - Course Management: A comprehensive system for managing courses, including creation, editing, and deletion. - Content Creation & Upload: The ability to generate and upload educational content, such as videos, documents, and quizzes. Additional Requirements: - Platform: The LMS application must be developed specifically for Android devices. - Integrations: The app needs to be integrated ...

...newsletter system that works with PDF files. This system will: 1. Data Scraping: Extract data from the given PDFs, including information in tables and XBRL format. 2. Keyword Analysis: Analyse the extracted data based on keywords I provide and remove PDFs that don’t meet the criteria. 3. AI Summarisation: Use AI to get summaries of relevant sections identified through keyword analysis after connecting it to an API. 4. Newsletter Generation: Put together a newsletter that includes: Summaries of the data points with references to the original PDF files along with the original table and URL links of the PDF scraped II. Requirements • Experience with PDF processing libraries like PyPDF2 or Apache PDFBox. • Familiar with handling XBRL data. • Ability to integra...

I'm aiming to create an app and website focused on connecting people. This platform should embody: - The creation of user profiles; users will input key personal and contact information, create customizable avatars, and establish privacy settings. Familiarity with user-friendly UX/UI design is essential. - A comprehensive messaging system; this should include real-time chat functionality and private messaging. Coders with experience in developing secure, fast, and reliable messaging systems will be ideal. - User interaction; my vision is for users to communicate through real-time chat systems and private messages, so the website and app will need to navigate these dual functionalities seamlessly. Aptitude in developing smooth, responsive user interfaces will be of utmo...

I'm seeking a freelancer who is proficient in setting up and connecting domains with cPanels, specifically, I have a Namecheap domain that requires a connection with the existing cPanel in my hosting account. I also need to get my emails configured fully. Required Skills: - Expertise in Setting Up and Maintaining Domains with cPanel - Proficiency in Configuring Emails - Familiarity with Namecheap Platform would be beneficial Tasks include: - Connecting my Namecheap domain to the cPanel - Complete email configuration This project is ideal for someone who is efficient, detail-oriented, and experienced with domain and email configurations.

I have an iOS XCode project that requires the integration of a Gantt chart client with BLE devices. The implemented solution should be engineered to: - Read and write data from/to BLE devices - Read the device status specifically - Engage simple communication with BLE devices Ideal candidates will have profound experience with Bluetooth Low Energy (BLE) devices, XCode, and incorporation of Gantt chart clients. A keen understanding of device statuses and ability to implement simple but effective BLE device communication are essential for this task.

...with options to set favorite teams and players. Offer theme and notification preferences for a tailored user experience. Mandatory Floating Widget: Implement a mandatory floating widget for real-time score updates, inspired by "Cricket Exchange." Budget: Our budget for this project is approximately 1.5 lacs INR, and the inclusion of the mandatory floating widget is non-negotiable. Technology Stack: Mobile App Development: Native (iOS and Android) or Cross-platform (React Native, Flutter). Backend: Node.js, Django, Ruby on Rails, or any preferred backend technology. Database: MongoDB, MySQL, or PostgreSQL. Cloud Services: AWS, Google Cloud, or Azure. Monetization Strategies: Advertisements: Banner ads and interstitial ads. Premium Subscription: Offer an ad-free exper...

I'm seeking a skilled professional who can integrate into our workflow to streamline communication and automate key tasks. Key Tasks: - **Automation:** I'm looking to automate data entry and task assignments. This is crucial for us to optimize our efficiency and reduce manual errors. - **Integrations:** We need to ensure smooth integration of with our existing tool stack. This will help in creating a seamless workflow and avoid any data silos. Ideal Skills: - Proficient in - Experience with is essential. You should be able to configure the system to meet our automation needs. - Workflow Automation - Proven experience in automating tasks within a project management system. - Integration Expertise - Able to connect with other tools seamlessly

...to integrate and transmit data using Bluetooth after power On. The sensors for which I need to integrate include Temperature, Humidity, PIR motion, Pressure, and an RTD (Resistance Temperature Detector). To elaborate: - Sensor Integration: You need to possess in-depth knowledge about different types of sensors, mainly Temperature, Humidity, PIR motion, Pressure, and RTD (Resistance Temperature Detector). Leveraging this knowledge, you shall efficiently integrate these sensors with the ESP or NODE MCU. - Relay Control: Based on the Bluetooth ADV data received from another ESP, your task includes performing actions such as Turning on and Turning off the relay. - Data Transmission: After the power is on, the task is to transmit Sensor data using Bluetooth. The id...

I have the project with me just needed to deploy it o AWS.

Job Title: NodeJS/ Angular / PostgreSQL Developer Monday to Friday 2-3 hours/day IST Night (8pm to 12am IST) Salary: 25,000 INR per month Job Description: We are seeking a talented Full Stack Developer proficient in Node.js, Angular 11, LoopBack 3, PostgreSQL, and MongoDB to join our team. As a Full Stack Developer, you will be responsible for developing and maintaining robust, scalable, and high-performance web applications and APIs. One needs to be available in the mentioned timings and willing to work by screen share and remote control via Zoom. Skills Required: NodeJS Angular PostgreSQL MongoDB

I'm seeking a skilled and experienced Flutter app developer to bring my full prototype to life. The app needs to be compatible with both iOS and Android platforms. Key features of the app include: - User login and authentication: Secure and user-friendly login process. - Real-time chat functionality: Seamless chat feature for user interaction. This is a full-stack development project, so you will be responsible for both the front-end and back-end. The app won't require integration with any third-party services or APIs. I'm looking for a developer who is confident in their abilities and can deliver the project within the discussed timeline. The ideal candidate should have prior experience in building user-friendly, scalable, and efficient mobile applications. Prior...

I'm looking for a developer with extensive experience in both the MERN (MongoDB, , React, Node.js) stack and Kubernetes. The project will involve creating a comprehensive and scalable web application with the following functionalities: - Full user authentication capabilities - Real-time data processing features - E-commerce functionalities The ideal candidate will have: - Proficiency in the MERN stack - Hands-on experience with Kubernetes, specifically in deployment, scaling, and monitoring - A track record of fully integrating the MERN stack with Kubernetes - Strong problem-solving skills and a proactive approach to finding efficient solutions - Excellent communication and collaboration skills to work with our team effectively This is an urgent project with th...

We are looking for a talented and experienced full-stack developer with expertise in Frontend ,Backend (Node js.) and Database Management(MongoDB) , Firebase, and UI/UX design, with the ability to integrate AI/ML features into our web application.

I'm urgently seeking an agency-level WordPress developer well-versed in the Houzez theme for my site. Among the tasks to be tackled are: - Coding issues: I've identified issues with HTML, CSS...customization: I'm experiencing layout issues, functionality problems, and a lack of mobile responsiveness with the Houzez theme. Thus, I need someone proficient in theme modifications and customization. - Custom page creation: There are some specific pages to be designed with custom codes. I'm a fan of creative and innovative design, so a similar approach would be perfect for these pages. - Tech stack: Besides the coding languages mentioned above, experience in PHP, Ruby on Rails, MySQL, and CMS is required. If you tick all these boxes and are ready for a challenge, le...