📶 RFID Reader/Writer RC522 SPI S50 with RFID Card and Tag
The RC522 RFID Reader/Writer module is a popular 13.56 MHz contactless communication device based on the MFRC522 chip. It supports SPI communication and comes bundled with an S50 RFID card and keychain tag. Ideal for security systems, attendance systems, and Arduino projects.
✅ Key Features:
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Based on MFRC522 IC – Reliable and widely used
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Operates at 13.56 MHz – Compatible with ISO/IEC 14443 Type A cards
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Supports SPI Communication – Easy to interface with Arduino, ESP32, etc.
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Compact PCB Design – Space-saving for embedded use
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Low Power Consumption – Suitable for battery-powered projects
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Comes with RFID Card & Keychain Tag – Ready to use out of the box
⚙️ Specifications:
| Property | Details |
|---|---|
| Operating Voltage | 3.3V (logic level) |
| Communication Interface | SPI (also supports I2C/UART with modifications) |
| Frequency | 13.56 MHz |
| Reading Distance | Up to 3–5 cm (depends on tag type) |
| Supported Cards | ISO 14443A standard (MIFARE S50/S70) |
| Dimensions | Approx. 40 × 60 mm |
| Current Consumption | ~13–26mA |
| Operating Temperature | -20°C to +85°C |
🛠️ Applications:
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RFID Attendance and Access Control Systems
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Smart Lock and Home Automation
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Arduino & IoT Projects
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NFC-based Identification Systems
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Inventory & Asset Management
📦 Package Includes:
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1× RC522 RFID Reader/Writer Module
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1× S50 RFID Card
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1× RFID Keychain Tag
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1× Male Header Pins (for soldering)
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