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115 lines
4.0 KiB
HTML
115 lines
4.0 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta name="google-site-verification" content="-cmHLqMzmSFVWV3DEzV1x6CdJBqdoNvmbhnKifV6ZI4">
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<title>RFID-Transponder</title>
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<style>
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body {
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font-family: Arial, sans-serif;
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line-height: 1.6;
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margin: 0;
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padding: 0;
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background-color: #f4f4f4;
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color: #333;
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}
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header {
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background: #0078d7;
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color: white;
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padding: 10px 15px;
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text-align: center;
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}
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main {
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padding: 20px;
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max-width: 800px;
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margin: auto;
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background: white;
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box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
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border-radius: 5px;
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}
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h1, h2 {
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color: #0078d7;
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}
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img {
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max-width: 100%;
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height: auto;
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display: block;
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margin: 10px 0;
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}
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ul {
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margin: 10px 0;
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padding: 0 20px;
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}
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footer {
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text-align: center;
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margin-top: 20px;
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font-size: 0.9em;
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color: #666;
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}
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</style>
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</head>
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<body>
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<header>
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<h1>RFID-Transponder</h1>
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</header>
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<main>
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<section>
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<h2>Overview</h2>
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<p>This project is a compact and versatile PCB design featuring an RFID/NFC tag IC. It includes components for writing and managing data on the RFID tag, modern power input options, and flexible microcontroller integration.</p>
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</section>
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<section>
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<h2>Key Features</h2>
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<h3>RFID/NFC Tag Functionality</h3>
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<ul>
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<li>Built-in RFID coil, designed using <strong>eDesignSuite</strong> by ST-Engineering.</li>
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<li>Integrated with the <strong>ST25DV04KC RFID/NFC Tag IC</strong>, offering:
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<ul>
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<li>16 KB EEPROM for data storage.</li>
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<li>Communication via the I2C bus.</li>
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</ul>
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</li>
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<li>Data can be written to the tag using external devices, such as smartphones with RFID capabilities.</li>
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</ul>
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<h3>Data Storage Support</h3>
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<ul>
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<li>Includes a Micro SD card slot for additional data storage.</li>
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<li>Utilizes a <strong>74LVC125 IC</strong> for safe voltage level shifting between the 5V logic of the microcontroller and the 3.3V logic of the Micro SD card.</li>
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</ul>
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<h3>Power Input</h3>
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<ul>
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<li>Powered via a USB-C port delivering 5V.</li>
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<li>Configured with <strong>1 kΩ resistors</strong> on the CC pins to ensure USB-C standard compliance.</li>
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</ul>
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<h3>Flexible Microcontroller Integration</h3>
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<ul>
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<li>Designed around the <strong>AtmegaXX08 series</strong> of microcontrollers, specifically the Atmega3208.</li>
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<li>Compatible with other ICs in the same series and package.</li>
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</ul>
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<h3>Connectivity</h3>
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<ul>
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<li>Provides connectors for UPDI and UART for programming and debugging.</li>
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<li>Optional GPIO breakout for additional interfacing needs.</li>
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</ul>
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</section>
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<section>
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<h2>Applications</h2>
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<ul>
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<li>Use as an RFID/NFC tag in systems requiring dynamic, writable RFID data storage.</li>
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<li>Embedded designs requiring compact, integrated EEPROM and I2C functionality.</li>
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<li>Systems needing programmable and customizable tag IC solutions.</li>
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</ul>
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</section>
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</main>
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<footer>
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<p>© 2024 RFID-Transponder Project. All rights reserved.</p>
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</footer>
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</body>
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</html>
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