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I'm developing an online booking website and need to integrate an electronic component using ESP32. Requirements: - Insert an SD card into the ESP32 slot. - Open a file on the SD card. - Write text data to the SD card. Ideal Skills and Experience: - Proficiency with ESP32 and microcontrollers. - Experience using the ESP-IDF SDMMC Driver. - Strong background in file handling and data writing on SD cards. Please include past work in your application.
Project ID: 40387647
10 proposals
Active 26 days ago
Location: Singapore
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10 freelancers are bidding on average $27 SGD/hour for this job

Hi, how are you doing? I went through your project description and I can help you in your project. your project requirements perfectly match my expertise. We are a team of Electrical and Electronics engineers, we have successfully completed 1000+ Projects for multiple regular clients from OMAN, UK, USA, Australia, Canada, France, Germany, Lebanon and many other countries. We are providing our services in following areas: Antenna Design (CST, HFSS) Embedded C Programming. VHDL/Verilog, Quartus/Vivado, LabVIEW/ Multisim/PSPICE/VLSI MATLAB/SIMULINK Network Simulator NS2/NS3 Microcontroller like Arduino, Raspberry Pi, FPGA, AVR, PIC, STM32 and ESP32. IDEs like Keil MDK V5, ATmel studio and MPLab XC8. PLCs / SCADA PCB Designing Proteus, Eagle, KiCAD and Altium IOT Technologies like Ethernet, GSM GPRS. HTTP Restful APIs connection for IOT Communications. Also, we have good command over report writing, I can show you many samples of our previous reports. Kindly consider us for your project and text me so that we can further discuss specifically about your project's main goals and requirements.
$25 SGD in 40 days
6.2
6.2

Dear Client, I’m an experienced full-stack developer with over 10 years of experience in web and mobile application development, specializing in building scalable, responsive, and high-performance solutions for diverse business needs. I understand you are looking for a reliable developer to build or improve your project, including web or mobile applications similar to CRM, dashboards, or APIs, and I have worked on similar solutions successfully. My skills in React, Vue, Laravel, PHP, Python, REST APIs, and database design ensure efficient and high-quality delivery. Feel free to share more details or ask questions. I’m ready to refine my approach to match your exact requirements. Looking forward to working with you. Best regards, Md Ruhul Ajom
$20 SGD in 40 days
4.3
4.3

In a previous project, I developed a device that recorded sensor data to an SD card and managed file operations like creating, reading, and updating logs using the ESP-IDF framework. I also have access to a fully equipped electronics lab where I can test SD card interfacing, verify data writing reliability, and ensure stable performance before final delivery. Deliverables: 1. ESP32 firmware using ESP-IDF 2. SD card initialization and mounting 3. File handling 4. Reliable data writing with error handling 5. Well-structured and commented code 6. Setup instructions and basic documentation 7. Support for integration with your system For my approach, I start by setting up stable SD card communication using the SDMMC driver, then implement clean file handling functions for reading and writing data. After that, I test the system for reliability, ensuring data is written correctly without corruption and works smoothly with your overall application.
$25 SGD in 40 days
3.2
3.2

⭐⭐⭐⭐⭐ I’ve read your requirements carefully—this is a clean ESP32 + SD card task, and I can help you get a reliable, production-ready implementation. I’ve worked with ESP32 using both ESP-IDF SDMMC and SPI modes, including file creation, read/write handling, and ensuring data integrity during repeated writes. The goal here isn’t just writing data—it’s doing it safely and consistently. My approach: • Configure SD card interface (SDMMC preferred for speed/stability) • Mount FAT filesystem and handle file access cleanly • Implement robust write logic (open → write → flush → close) • Add basic error handling to prevent corruption • Keep code clean and well-documented for your integration Milestones: SD card initialization + mounting File open/read/write implementation Error handling + stability testing Final code + documentation I can also help connect this with your booking system if needed (API → ESP32 logging). Quick questions: Are you using native SDMMC pins or SPI wiring? Expected write frequency / data size? Happy to share similar ESP32 work.
$25 SGD in 40 days
2.9
2.9

Hello, I can develop your ESP card integration system with stable firmware, reliable communication, and proper hardware interfacing. My experience includes working with ESP32/ESP8266, Arduino firmware development, embedded systems, and PCB-based automation. I have handled multiple embedded integration projects involving real-time communication and hardware control. A relevant project from my work is the Smart Monitoring System developed under my portfolio, where I implemented ESP-based real-time data tracking, sensor integration, and stable system communication for practical IoT applications. I have worked on similar ESP-based projects before and understand secure and reliable device communication requirements. I can complete this within 3 days.
$20 SGD in 40 days
3.4
3.4

Insert an SD card into the ESP32 slot. which ESP32 are you using? Will it be a custom board or using the breakout board? From your server connection is via HTTP get?
$25 SGD in 40 days
1.8
1.8

Hello! I see you’re looking to integrate an SD card with the ESP32 for your online booking website, which is a crucial component for managing data storage effectively. Ensuring seamless communication between the ESP32 and the SD card is vital for your project’s success. With over 12 years of experience in working with microcontrollers and embedded systems, I have extensive proficiency in using the ESP-IDF SDMMC Driver. I’ve successfully handled file operations on SD cards in previous projects, ensuring reliable data writing and retrieval. Moreover, my background spans multiple technologies like Node.js for backend services and React.js for frontend development. This diverse skill set allows me to provide a comprehensive solution that aligns with your needs. Could you please share more details about the specific types of data you plan to store on the SD card? Looking forward to collaborating on this exciting project!
$30 SGD in 7 days
0.0
0.0

Hello, I believe my proposal directly addresses your need for ESP32 SD Card Integration for your online booking website project. With a track record of delivering high-quality results and reliability, I am confident in my ability to meet and exceed your expectations. I am Dax Manning, a Senior Software Engineer with extensive experience in C Programming, Electronics, Microcontroller, Electrical Engineering, PCB Layout, Arduino, Software Development, and Embedded Systems. My skills align perfectly with the requirements of this project, and I am ready to start immediately and adapt to your timeline. For this project, I will seamlessly insert the SD card into the ESP32 slot, open the necessary file, and efficiently write text data to the SD card. My technical expertise in ESP32 and microcontrollers, along with my experience using the ESP-IDF SDMMC Driver, will ensure a smooth integration process. I am committed to taking ownership of this project, maintaining clear communication throughout, and delivering a successful outcome. I look forward to collaborating with you on this project. Thanks, Dax Manning
$30 SGD in 40 days
0.0
0.0

Singapore, Singapore
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