Payment by qr code in the vending machine

I'm a .NET/C# software engineer with 10+ years of experience in building desktop applications and web applications in the field of MIS and E-Commerce. I'm familiar with .NET Framwork, .NET Core and .NET 5+ and I have developed several projects based on MVC, WebApi, Razor, EF, SqlSugar, Npoco, DI, IoC and so on. I also have some experience with HTML, CSS, Javascript, jQuery and AngularJS.

HELLO; I am working as a research and development manager in a private company. I have more than 8 years of experience in embedded system software and hardware. As for software, I am proficient in microcontrollers such as (*****STM32*****), MICROCHIP, NUVOTON,ARDUINO,ESP32,MSP430,RASPBERRY Pİ. I have experience in communication protocols such as CanBus, ModBus, RS232, RS485,SPI,I2C, TCP IP, Socket Communication. I am an expert in Altium and KiCad programs in hardware. I have read and understood your project. Please write to me for details.

As an accomplished embedded systems engineer and programmer, I am well-versed in the design and implementation of devices utilizing Arduino and Raspberry Pi for solving practical problems. My proficiency in C/C++, with a special interest on Arduino, aligns perfectly with your project requirements. In terms of experience that sets me apart, I have designed similar payment systems where users could scan QR codes for various purposes. The skills in digital electronics, PCB layout, and peripheral programming like WiFi connectivity will ensure a robust and efficient design for your vending machine payment device. I have also worked extensively on IoT applications, which further aids in understanding the elements necessary for this task. Not only do I promise to deliver an efficient QR code-enabled device, but one that is thoroughly tested and ready to work with the MDB bus, internet banking app, 4G modem, as well as the black and white display you've mentioned. Rest assured that I understand the complexity of your project and am confident in my ability to execute it meticulously. Let's transform your vending machine experience!

Hi! I can assist you on your vending machine project with my expertise in electronics and microcontroller programming to design the payment device you envision, integrating QR code scanning with an MDB v4.3 bus connection. I have proficiency in Raspberry Pi control systems, along with a background in PCB design and layout; I am well-prepared to ensure your project meets industrial standards such as IEEE, IEC, and ISO. Before we proceed further; I have questions to ask: • Do you have any preferences for the display, such as size, resolution, or type (e.g., LCD, OLED)? Deliverables are as follows: • Electrical schematic design • PCB Layout • Bill of Material (BOM) • Firmware Code • Gerber & NC Drill Files • 3D PCB Layout Over 6 years of experience in electronics engineering, in designing devices with similar functionalities, microcontroller-based control systems like Arduino or Raspberry Pi, and expertise in PCB design. The project completed is named: • Designed a compact payment terminal with a black-and-white display for QR code scanning and Arduino/Raspberry Pi control. I am Proficient in utilizing software such as: • Raspberry Pi OS • Eagle PCB / Altium Designer • AutoCAD/Revit/Solidworks • Arduino You can view my profile and portfolio. Looking forward to contributing to your innovative payment solution. Regards, Abubakar

Hello there. I am professional electronic engineer with skills including Arduino, C Programming, Microcontroller, Software Architecture and Electronics. I’m offering best quality and highest performance. And I have rich experienced in Arduino, C Programming, Microcontroller, Software Architecture and Electronics. I’m ready to discuss your project and start immediately. If you have any questions or need further clarification, please feel free to reach out.

As a seasoned software architect with 12 years of experience, I believe I have the perfect skill set for your project. One of the things that sets me apart is my ability to understand and align a project with its end-users, ensuring that it's practical and convenient. By creating an easy-to-use device that generates a QR code after pressing the product selection button on your vending machine, I can ensure a seamless payment process. Moreover, my proficiency in Arduino and Raspberry Pi makes me well-suited to build your payment system. Having worked on over 80 web and mobile applications in different industries, including Supply Chain and e-learning apps, my experience working with microcontrollers and electronics is highly valuable. I also have relevant expertise in wifi connection and 4G modems which would be necessary for this project. Lastly, as a top-rated web developer, I'm known for my fast and error-free deliveries. You can count on me not only to design the device but also to test it extensively to minimize any possible bugs or complications. My dedication to honesty ensures transparency throughout our collaboration while maintaining utmost attention to your satisfaction. Partner with me for impeccable solutions and unrivaled results!

Hi there,Good evening I am Talha. I can work with your project skills Microcontroller, Software Architecture, Arduino, Electronics and C Programming I am excited to present my proposal, which centers around a personalized approach designed to elevate your project. We will start with an in-depth consultation to gain a deep understanding of your project's unique requirements, goals, and constraints. Our commitment to customization means that we will tailor our services to align perfectly with your project, and we will explain how this approach will meet your expectations.

With my key proficiencies in Full-stack development, IoT integration, C Programming, Software Architecture and more, I am well-positioned to design a top-notch device for your payment-by-QR code project. My experience doesn't just stop at building devices but extends to end-to-end services, which could include setting up your WiFi connections and 4G modems. Armed with a broad skill set at Techfusion, we can take this project from concept to reality ensuring every intricate detail is thoroughly covered. Our background in machine learning and data analytics could come in handy for display customization where the generated QR codes will be shown on the black and white screen. Lastly, our mastery of Arduino and Raspberry Pi provides us with the necessary knowledge to deliver succinct control part functionalities. Choose Techfusion today if you want a partner that will not only actualize your vision but also ensure utmost efficiency, scalability and a touch of elegance

Hello Client, I hope this proposal finds you in excellent health. Welcome to my profile, Home to Professional and Quality services with 100% customer satisfaction guarantee. I'm a Certified & Experienced Expert. Dear Client, I take this opportunity to inform you that i have KEENLY gone through all your project requirements as given in your project description and I confirm to you that i can perfectly deliver as instructed. Being in possession of all CLEARLY STATED required project skills as this is my area of professional specialisation having completed all Certifications and developed adequate experience in the same area, I hereby humbly request you to consider my bid for Professional, Quality and Affordable services always. STRICT TIMELY DELIVERY & UNLIMITED REVISIONS. Incase your project is deleted, you can hire me directly via the link; https://www.freelancer.com/u/prodeveloperserv Kindly Message Me We Discuss More About The Project and seal the contract. Welcome and Thank-you.

Hi, I am a flutter expert. I can develop the flutter app to make payment by QR scanner. Please contact me. Thank you.

?Hello⭐⭐⭐⭐ As a Senior Software Developer, I am very excited to showcase my talent and passion for technical skills for your project. I would be happy to learn more about your requirements and welcome the opportunity to provide further insight into my skills and personal characteristics. My main skills are Electronics, Software Architecture, Microcontroller, Arduino and C Programming. Thank you for considering my candidacy for your project. I look forward to hearing from you soon. Thank you!❤️❤️❤️❤️❤️❤️❤️❤️❤️