Built microcontroller based fingerprint recognition security system projectJobs

...the completion of my project. - Online Invoice Generation: As part of this project, the successful freelancer would need to incorporate a robust online invoice generating feature. This aspect is crucial for the smooth running of my business operations. - Payment Gateway Integration: I require a secure and reliable payment gateway to be integrated into the website. This feature should support the needs of my clients making payments flawlessly. - Expense Tracking: A key requirement for the proposed website is having an expense tracking system. This feature should allow for an accurate and timely tracking of business spendings and transactions. - User Authentication: For the security and integrity of the website, we need a basic but efficient email and passw...

I need a consultation recording tool that can transcribe and summarise veterinary ...format. The transcriptions should be clean, accurate, and easy to read. - Complete summary: The summary should outline the key health issues identified, any medication prescribed, instructions for follow-up care. It is to be structured in this format: History Exam Differential/working diagnosis Plan The ideal freelancer for this role would have experience in software development, voice recognition technology, and audio recording. A background in medical or veterinary terminology would also be a major asset. The goal is to create a tool that makes veterinary consultations efficient and effective, with clear records that can support ongoing care. There is currently a product similar to this cal...

We require microcontroller programming services to execute sensor interfacing and manage communication protocols. Our project needs an expert who can: - Interface our 32 bit PIC microcontroller with temperature sensors, analog circuits like Op-Amp and ADC - Implement SPI communication protocol within the microcontroller Experience with PIC microcontrollers is a must, along with a sound understanding of sensors, analog-to-digital conversion (ADC), and SPI protocol. Proven experience in similar tasks will make you an ideal candidate for us.

I am k...freelancer that can develop a software tool that will augment these manual processes. This tool should include features such as inventory updates and order management. Additionally, the system should have a user-friendly dashboard to make the navigation and use of the platform seamless. Prospective freelancers need to possess solid experience in logistics software development and are adept at simplifying complex processes into user-friendly interfaces. Knowledge in operational management will also be advantageous, as this could ensure the developed system is aligned with industry best practices. Success in this project means less reliance on manual and repetitive tasks, and more focus on strategic decision-making enabled by an effective tool. I am excited t...

As a web-based entrepreneur, I'm in need of a Python script to automate the request-based signup process. Here's what it needs to do: - Pull source data from a CSV file. - Handle multi-threaded requests. - Randomize account details inc country (EU is fine) - Use multiple imaps to recover verification codes. I've chosen Python as the specific language attribute due to its efficiency and readability. For data storage and retrieval, the script should be able to interact with an imap server, using it to recover verification codes from emails. Timeliness is crucial for this project. I need it to be completed ASAP, so a developer with a fair amount of free time to commit would be ideal. Desired skills and experience: - Experienced Python developer. - Fa...

I need to migrate my existing website from Python to PHP language. The current website is built using Python, and I want to transition it to PHP for improved compatibility and maintenance. The website includes various functionalities such as user authentication, database management, and dynamic content generation. The PHP version should retain all existing features and functionalities seamlessly. I am looking for an experienced freelancer who has expertise in both Python and PHP development to ensure a smooth transition without compromising the website's functionality or performance. Please provide details of your experience with similar migrations and your proposed approach for this project.

I have a website built on wix. Students post their tutoring requirements. I want you to create a dynamic page where all the posted jobs are visible with the contact number of the students hidden. When a registered tutor wants to see the contact details of the student, he will have to spend some coins. A fixed number of coins will be deducted when a tutor sees the contact details of a student. The tutors on their profile page will have the option of buying the coins. I will integrate RazorPay as the pa yment gateway. When a tutor pays me for example 500 INR, that should reflect as 500 coins on his wallet on the tutor's profile page. Please tell me how much will be your fee to add this functionality on my website. To summarise: Dynamic Page for Tutoring Job Postings: I want yo...

I'm currently in need of Facebook accounts from the United States for Facebook Marketplace. The primary role of these accounts is to promote my commerce store on a larger scale. The ideal candidate for this task: - Is well-versed in the setup and usage of Facebook accounts and Facebook Marketplace. - Is located in the US or has the ability to create US-based Facebook accounts. - Has a solid understanding of e-commerce promotion on social media platforms. By entrusting you this job, we expect that our business' visibility will expand in the Facebook marketplace thus increasing our sales in the long run.

I am seeking to have a comprehensive property management system developed for our vacation rentals agency with the following core functionalities: - An online booking system to offer a seamless booking experience directly from our website or through mobile applications (iOS/Android) - An inventory management aspect, where we can manage the properties and track their condition or any necessary maintenance. - A dynamic pricing and availability calendar to allow us to adjust rental prices based on demand and show availability in real-time. In terms of the payment system, it should be integrated with popular payment gateways such as PayPal and Stripe, so customers can make spaces secure and easy. The final product should be user-friendly, reliable, and eff...

I am looking for a skilled C++ developer who can enhance the hex edit...(modding) function on a game launcher. The current modder is functional but lacks some key features that I would like to add to it. Key requirements include: - Implementing automatic game version recognition - Introducing version specific json patchlist source - Fetching version corresponding json from a source url instead of local files. These additions will greatly enhance the functionality of the launcher, providing a more efficient and user-friendly experience. Ideal Skills: - Proficient in C++ - Experience with imgui - Knowledge of file manipulation - Familiarity with JSON Please note that the project is time-sensitive, and I am looking for someone who can deliver high-quality work within a rea...

It is necessary finish a web application in python + django regard the statistic of stocks. So it is necessary: some fetaures of some filter; -. make some change to mysql database and api to datafeed. -. verify the formulas and add some features; -. make better the design. - create an admin page with security login and import stocks manually. Please answer only if you can show similar experiences

I'm looking for an experienced electronics expert to help design a circuit for a consumer electronics device. Key Tasks: - Advanced PCB Design: This will involve creating a complex PCB layout that can accommodate the circuit's requirements. - RF Circuit Design: The circuit will n...Skills and Experience: - Seeking Electronics Expert with the following skills: Proficient in LTSpice, Multisim, or SPICE. Analog, digital circuit design, power supplies, signal conditioning. Skilled in Altium Designer, Eagle, or KiCad. Knowledge of PCB fabrication processes. Experience integrating optical filters into IR-based devices. Write algorithms for signal processing, and control systems. Microcontroller programming (e.g., Arduino, Raspberry Pi). Design experience with IR-bas...

I am looking for a highly skilled MERN stack developer to build a website for my real estate investment company....seamless user experience across all devices. - **SEO Optimization:** To enhance online visibility. - **User-Friendly CMS:** For easy content updates by our team. - **Robust Security:** Implementing best practices for website security. - **Analytics Integration:** For tracking website traffic and user behavior. Ideal Skills and Experience: • Extensive MERN stack development experience • Real estate website development • User interface design and development • API Integrations • Agile development methods. I recommend potential candidates to inquire for additional details to satisfactorily complete the project. Project ...

More details: What platform(s) would you like the company app to be developed for? Both What is the primary goal of your app? Enhance internal communication What key features should your app include to achieve its goal? Task management

I'm looking for a skilled developer who can help me create a top-notch 1-to-1 video call SDK that is compatible with iOS, Android, and Web platforms. Key project requirements: - High video quality: The SDK should support high-definition video calls to ensure clear and crisp visuals for users. - Low latency: It is crucial for the video call experience to be smooth and without any perceptible delay. The SDK should be able to maintain a low latency level to ensure real-time communication. - Secure and encrypted communication: Data security is a top priority for my application. The video call SDK should have robust security features to keep all calls secure and private. Additional features: - Recording capabilities: One of the key functionalities I would like to in...

...of projects and so I'm looking for someone to replace myself in this particular function (rapidly creating minimal prototypes). I'd give you a full description of the problem that needs to be solved and what needs to be built (sketches of the UI, a proposed architecture, proposed libraries), but you will hopefully be able to improve on some of that. I used a problem/solution driven approach. Each project should take 1-2 weeks to implement. I have a constant stream of projects for the right person, you won't need any other clients. The projects are all nostr based, if you haven't heared of it that's fine, I'll get you up to speed very quickly. I basically have an unlimited supply of work for the right person, whether or not t...

Looking for an experienced Linux system administrator to lead the setup of a Rocky Linux server. The specific use for the server hasn't been determined, hence flexibility and proficiency in a variety of server-related tasks will be crucial. Key skills and experience include: 1. Strong knowledge of Rocky Linux OS. 2. Proficiency in various server usages, including but not limited to web hosting, database management and security configurations. 3. Ability to work proactively and adapt to project's needs as they arise. Given the lack of a set deadline, I'm looking for someone who can dedicate intermittent attention over a longer period, taking time to ensure that the job is not only complete, but also well-executed. However, timely and efficient work manner is a...

I am in need of an experienced app developer with proficiency in Figma to design an app focused on women's safety. This project aims to create an easily accessible platform through which women can seek immediate assistance in emergency situations. Key Features: - Emergency Call Button: This is the foremost requirement- an immediate contact point for emergencies. - Location Tracking: To provide on the go safety, this app needs to have a real-time location tracking feature. - Support Stations: The app should facilitate the filing of complaints to the police. Apart from this, provisions for connecting with a lawyer and scheduling counseling sessions are needed. Ideal Skills and Experiences: - Expertise in Figma, and experience in ergonomic app design - Strong understanding of pr...

As the client, I'm in search of a skilled web d...user transactions. - Secure Payment Gateway integration that ensures smooth and safe online transactions. - A robust Sales Order system that handles and tracks all purchases efficiently. Kindly note, for this project, integration with third-party systems isn't necessary. Ideal Skills and Experience: - Strong working knowledge of both core PHP, mysql and Bootstrap. - Proven experience in Ecommerce website development. - Past works that showcase skill in adding product catalog, shopping cart, payment gateway, and sales order features. - Good understanding of security protocols for payment gateways. If you're the proficient web developer who can bring this project to fruition maintaining a high...

As a passionate gamer and business owner, I am in...passionate gamer and business owner, I am in search of an experienced PC game hacker that can quickly get to work on a unique concept. The game is of the action genre and must be built in a 3D format. Key aspects of the project include: • Game Type: The game will be played on PC. • Genre and Style: Action game in a 3D format. The ideal freelancer for this task will possess the following skills and expertise: • Proven experience in PC game development. • Thorough understanding and experience with 3D games. • Ability to work quickly without compromising quality. If you think you're the right fit for this unique project, please do not hesitate to apply. You could be key in taking this ...

More details: What specific features are you looking for in your zigbee home automation system? Energy monitoring What is the primary goal for incorporating energy monitoring in your zigbee home automation system? Reduce energy bills Which types of devices would you like to include in the energy monitoring system? Lighting systems

I am seeking a qualified freelance writer to compile a research report revolving around people. Your task will be to deliver a well-researched, high-quality report that will cater to the general public. Key Requirements: - Need the autobio, like birth place, birthdate, net worth, education, current affiliation, etc - Research and analyzing skills to explore the topic effectively - Ability to write in basic language to ensure easy understanding - Proven ability in writing reports targeting the general public Your ultimate goal will be to generate an engaging and easy-to-understand report, so that the audience can grasp the concepts without difficulty. The report should be factual, data-driven and captivating.

...users to confirm their presence at specified locations. - User Authentication: A login system to verify and secure user data is essential. - Reporting and Analytics: The app should generate reports based on user's attendance and provide useful insights. Experience with data analytics is preferable. Additional Requirements: - Notice & Request Forms: These should be accessible via separate menu tabs within the app. Experience with UI/UX design will be beneficial to ensure smooth navigation. This project requires a strong background in mobile application development across multiple platforms, mastery of geolocation technologies, expertise in data analysis, as well as an understanding of application security. Experience with UI/UX design will also be...

I am in need of an exper...who can implement an extensible file system (ExFS) using any standard libraries. This project requires that the file system reside as a collection of fixed-size files, not relying on disk partitions. Key Requirements: - Implement an extensible file system using C - Create fixed-size files of 5 MB - Allow unrestricted access to all files Skills and Experience: - Proficiency in C programming and experience with file system implementation - Strong understanding of file system concepts and design principles - Knowledge of fixed-size files and access permissions - Ability to work independently and deliver high-quality results in a timely manner Please provide examples of similar projects you've completed and demonstra...

As the project manager, I'm seeking a skilled and experienced developer proficient in Python to create a standalone AI chatbot. Key Requirements: - Expertise in Python is a must to develop the AI chatbot in the specified language - The chatbot will not be integrated with a website or mobile app, so expertise in standalone functionality is needed. Key Functions: - The chatbot must be capable of responding to customer service inquiries swiftly and accurately. - Additionally, it should be able to guide users through various services or processes seamlessly. Ideal Profile: - Python programming knowledge - Deep understanding of AI and chatbot behaviour - Hands-on experience of creating a standalone chatbot - Excellent problem-solving skills I look forward to working with an...

Hi, My AI company is running a program to test the recognition of faces. We are in need of multiple face recording videos. The video should last from 15-19 seconds and you should be able to perform the following actions: turn left, turn right, smile, close your eyes. We are able to pay $15 for each video. Requirements: -Sex: Male -Blue/Green eyes -Have a phone with camera

I would like to outsource my current digital marketing project and looking for white label digital marketing agency for a long term project. Please apply only if your agency can provide all service, not hiring anyone for single services . Read requirement carefully :- We are currently seeking a proficient digital marketing agency to take charge of my client's digital marketing project. Our client, an esteemed orthopedic surgeon, is keen on enhancing the brand presence of their hospital through strategic content marketing initiatives. The primary objective is to target a 100-mile radius surrounding the hospital location, building brand recognition, awareness, and community engagement. Project Overview: The project goal is completely focu...

I need help to host my MERN app and admin panel on Amazon EC2. Key requirements include: - Configuration of the necessary security settings in AWS. - Activating HTTPS for secure connection. - Urgency: I need this done ASAP. Ideal freelancer would have experience with: - Server setup - Securing applications on AWS - Amazon Elastic Compute Cloud (EC2) - MERN stack deployment. I ned all these things to done via team viewer and also need documentation how all the stuffs are performed

I am urgently seeking a professional developer with experience in payment systems integration to construct a secure, efficient...services will include but is not necessarily limited to: - Debit card deposit integration to Revolut with all due attention to known potential challenges and slowdowns. - Although not defined, bear in mind the importance of security measures. Implementing secure code practices and considering potential security features would be an advantage. Given the "ASAP" time limit for completion, individuals with proven experience in rapid development and deployment are preferred. A demonstrated history in financial services, especially with Revolut, will also be highly valued. This project will require a balance of speed and quality work -...

I have code for login trading accound and fetch token data. I need to update more data from the code to my system.I need to collect ...can choose any minutes interval, I need you to collect Last 5 candle data from the Excel in the web and other details for each token, I will give token name in the excel, It will automatically display the rows of data. If i chanage time interval it will display those data only. Need ot automate the buy/sell order Note: I dont know about coding, If you install the code and run successfully at my system thereafter I will hire you and release the payment. If you agree this term you will apply this task Budet is 600 INR and Good review, Dont expect more I am not big fish. it is difficult job dont come for Money you should waste you time for unrealish E...

I am in need of a specialist to help me build a STM32 based microcontroller board and program to convert an ESP32 prototype. The ideal candidate should have experience with STM32 and ESP32 and strong programming skills. Key Aspects of the Project: - Sensor integration is fundamental as it uses a strain gauge load sensor, a Lidar sensor as well as an LED display. - The board should also have connectivity functions. - There's a need for additional hardware integration with a thermal printer and a coin unit. Required Skills: - Strong experience with STM32 and ESP32 - Sensor integration - Connectivity programming proficiency - Hardware integration knowledge Apply if you have the necessary skills and equipment for this project. Let's convert this ESP32 p...

I am in need of a skilled Wordpress developer who is well-versed in plugin development and API integration. The main goal of the platform you will be wor...plugin development and API integration. The main goal of the platform you will be working on is to provide a seamless e-commerce experience for our customers. Key tasks you will be responsible for include: - Custom development for our platform - Implementing and customizing plugins for various e-commerce functionalities - Integrating REST APIs to enhance platform capabilities As our platform is built on Wordpress, prior experience with the platform is essential. Additionally, knowledge of Vue.js and RESTful APIs are a huge plus. The ideal candidate should have a strong portfolio demonstrating past e-commerce projects they have ...

- Implementing the needed software for the project - Designing the PCB circuit

...WhatsApp chatbot using the latest artificial intelligence technologies. Objetive: Develop a chatbot based on chatgpt4 to respond to WhatsApp messages pretending to be a human business executive. We will build a database in AWS where all the conversations associated with two keys, the phone and the email, are stored. In addition to other variables specific to the data model and the nodes of the artificial intelligence model, such as demographic data, description of the need, date of birth. On the other hand, we will have information on the purchases made, their amount, the products quoted, the connection time, among others. When the chatbot has a high percentage of uncertainty, based on the established parameters, the conversation will move to the human interface witho...

As an educator, I'm looking to showcase the security vulnerabilities inherent in a WordPress site for both illustrative purposes and to help formulate a proof of concept for a security system. The features I require are: - A custom login page - The ability to track user activity - Integration with other platforms The project will also involve demonstrating a successful XSS hacking. To accompany this, I'll need detailed documentation created to outline the steps taken and the vulnerabilities exploited. Following the hack, I expect to have full administrative access to the WordPress site. Ideal candidates for this project have a deep understanding of WordPress, its vulnerabilities, and security concepts in general, coupled with exper...

I've built my website on Hostingers and installed an online store plugin, but I'm having trouble with the setup. I'm seeking an experienced developer to help me build a functional online store and shopping cart. - Experience with Hostingers is critical - Knowledge of the online store plugin I have installed - Must be able to troubleshoot issues and provide viable solutions - Expertise in e-commerce website development and management Please, I need someone who's proficient with these tools, understands the nuances of building an online store, and can guide me through the process. Being instructive is a plus as I'd love to learn as we progress. Looking forward to partnering with you.

Hello Freelancers, I need my Portfolio website built on a website builder IN 3 DAYS. It could be any CMS-based website. I have one half-baked website currently developed on Wix, so you can choose between building one from scratch or completing the current one. Content and details will be provided. P.S. Complete Ownership will be transferred to me once designed. Must have requirements: - Experience in outstanding website building and Web UI (UI/UX background preferred). - A portfolio to showcase work experience. - Open to daily collaboration meetings to share progress and feedback. - Custom designing skills, NO AGENCY PREDEFINED TEMPLATES. - A creative knack for UI and Visual Design. - Embedding of code for customized elements. Budget 7000INR - 9000INR($80-$100) *PLEASE...

...primary goal of this project is to increase website traffic. The key aspects of the project include: - Enhancing the design and layout of the website - Improving the content organization to make it more user-friendly and relevant - Enhancing the overall navigation and user experience to create a more intuitive and engaging website. The SEO services I require include: - On-page SEO: I need the content on my website to be optimized for search engines, ensuring that it is relevant and up to date. - Off-page SEO: I need backlinks to be built to my website, increasing its credibility in the eyes of search engines. - Technical SEO: I need the overall performance of my website to be optimized, ensuring that it is fast, secure, and reliable. The ideal candidate for this ...

Read first! We have 150 pages in total on figma we need to implement. We need a confident developer from Bangladesh for this project to work with our designer with the impementation. We take best price as a priority ofcourse but also look at your programming and technical skills. We have a website today with functionality built on laravel and you need to impement this without breaking our website.

Project Description: We are seeking a highly skilled and creative web graphic designer to provide a comprehensive graphic design solution for our web application, tailored specifically for use by radiologists. This application is a pivotal tool in our radiology clinic, enhancing the workflow and decision-making process in lung nodule management, lung cancer screening, and occupational lung screening. Project Objectives: To create a visually appealing, intuitive, and user-friendly design that aligns with the needs and workflows of radiologists. To provide full design documentation and styling code, meticulously crafted in SCSS, ensuring a seamless integration with our development framework. Technical Requirements: Full Design and SCSS Styling Code: The designer m...

I am in need of an expert developer to build a database system that will allow me to effectively track my customers, jobs, expenses, and timelines effectively. Key Responsibilities: - The system should track 100 to 500 customer profiles, storing and retrieving data efficiently. - It should track and manage job details along with related expenses. - In line with this, it should have the capability to track timelines for each job assigned. - I require the ability to generate annual reports from the system. Given the fact that I didn't specify my preferred database, the chosen professional will have the freedom to choose between MySQL, MongoDB, and PostgreSQL, depending on which they believe would best suit this project and why. Ideal candidate: - Proven...

I am selling my fully established, functional online store. It's built on Shopify, so you'd need familiarity with this platform. The shop specializes in kitchen items, so experience in home and garden retail would be a plus. Unfortunately, I don't have any specific features or functionalities to present, but that leaves room for you to implement your ideas and enhance the store. Familiarity with popular e-commerce features like product search, filters, customer reviews, ratings, wishlists, and favorites would be useful.

I'm seeking an expert in electronics design to create a handheld gaming console based on a Snapdragon CPU, fitting within a budget of $100. Key Features: - The console should feature a touchscreen display and Wi-Fi connectivity. - It should not come with built-in speakers. - The console is intended to support Indie games, no need to support retro or classic arcade games. Specifics: - The system should run on a Linux operating system. - Proficiency in low-cost, high-quality hardware sourcing will be beneficial. - Previous experience in building Linux-based gaming devices is highly preferred.

Seeking a talented face swap or "deepfake" editor with experience in producing high-quality "deepfake" videos. This project will be for educational purposes only and show how convincing deepfakes can be. Key Details: - Scope : We will send a 60 second video, for 30 seconds of this video the speaker should have a their face swapped out with a deepfake. We want the face swap to be with any famous CEO or prominent business professional. We need the deepfake to be as convincing as possible. - Expertise: Proven knowledge and experience in creating deepfake videos. Please share your portfolio demonstrating previous work in this specific area. The right candidate should have a proven track record of creating convincing deepfake videos.

...app built coded and designed. It will need to be linked with Facebook sign ups, QR codes, a link with and also Skyscanner. I want a full quote for the whole project. I will send a more detailed job description once I have read some developers profiles and seen examples of your work. I will also require the names and numbers of ten company’s I can contact to use as a reference for your previous works. These are some basic designs I have had done in the past. I need this project to commence ASAP. I will insist on flying to India to meet candidates in person, discuss the project and select the correct developer for my project. If you're interested, please specify if you agree to a business meeting prior to the project been awarde...

I need a talented and quick-working programmer to update my existing app which is built for the Windows platform. The specific programming language used is unknown, thus expertise in multiple languages would be beneficial. Time is of the essence as it is crucial to have this update completed as soon as possible. Ideal skills and experience: - Proficiency in multiple programming languages including C#, Java, and Python - Experience in updating and maintaining Windows apps - Ability to deliver high-quality work under tight deadlines.

...need of a professional to finalize a car reservation system in HTML format. In addition to creating a database, I also require the integration of various key functionalities to the project. Key Functionalities: - User Registration and Login: The system should allow for user registration and login, ensuring that users can create accounts and access their booking history. - Booking Management: The core function of the system will be to handle bookings. This will include the ability to view, edit, cancel, and make bookings. - Payment Integration: A crucial aspect of the system will be the ability to accept payments for bookings. This integration should be secure and user-friendly. Ideal Skills and Experience: - Proficiency in HTML: The project is...

I need a website developed for a food ordering service I am launching, called Indian Food Adda. The website must be designed in a colorful and vibrant style. Key Features: - **Signin and Registration Page**: Users should be able to create accounts and sign in securely. - **Multi-Factor Authentication**: Security is a priority, so the website needs to have MFA implemented. - **User Profiles Creation**: Each user should have a unique profile. - **Advanced Search Filters**: Users must be able to filter through the meal options effectively. - **Interactive Menu**: The menu should be engaging and easy to navigate. - **Payment Options**: The website should accommodate Credit Card, PayPal, and Cash on Delivery payments. I am looking for a freelancer who has experience in developing simi...

I'm looking for a skilled developer to create a WordPress module for my VPN service. The API and WHMCS module are already available for reference, so you can use them as a guide. K...requirements: - Develop a user-friendly WordPress module for VPN service - Implement user authentication and VPN server selection features - Integrate bandwidth usage tracking functionality - Ensure smooth operation and compatibility with existing systems The main aim of this project is to enhance user experience and streamline the VPN service. As such, you should have experience in developing WordPress modules, API integration, and working with VPN services. The ideal candidate will possess a strong understanding of security features and have a track record of delivering high-quality, us...

Socialtag Project Description: QR Code Promotion App Recreation Background: I previously commissioned a freelancer to design an app for running promotions using QR Codes. Despite paying $138 for the design, I did not receive the source files. Therefore, I require the app to be recreated for both iOS and Android compatibility. Attached Materials: I have attached a video and the APK file along with a brief description of its functionality of the app. To view click on the link below: https://drive.google.com/drive/folders/1oMC3EpauRg_g6PGvSbeTjsK-qBAuo-WFsp=drive_link?u , App Functionality: The app is designed to facilitate promotional activities through QR Code scanning. The key features required are: * QR Code Scanner: Integration of a QR code scanner within the app. * Login...