MFRC522 RFID Board 13.56MHz – Keyestudio KS0205 Original NXP

Features / Specs

• Brand: Keyestudio
• Board Model: KS0205 (Customized with Original NXP Chip)
• RFID IC: NXP MFRC522 (Guaranteed Original Chip)
• Operating Voltage Range: 2.5V – 3.3VDC (Recommended 3.3VDC)
• Operating Current (Typical): ~(13 – 26mA) @ 3.3VDC
• Operating Current: < 30mA
• Idle Current (Typical): ~(10 – 13mA) @ 3.3VDC
• Sleep Current: < 80μA
• Operating Frequency: 13.56MHz
• Operating Temperature Range: ~(-20°C to +80°C)
• Relative Humidity Range: 5% to 95%
• Comms Interface: SPI (Up to 10M-bit/s) / I²C (Up to 3.4MHz) / UART
• Supported Card Types: MIFARE S50 / MIFARE S70 / MIFARE Ultralight / MIFARE Pro / MIFARE Desfire
• Header Pin Pitch: 2.54mm (Breadboard Compatible)
• Board Dimensions: 39.25mm x 59.9mm (± 0.25mm)
• Mounting Hole Diameter: ~ 3.3mm (M3)

Pin Description

• IRQ-> Interrupt Request Output
• NSS-> SPI Chip Select / I²C Serial Data / UART RX
• SCK-> SPI Serial Clock Input
• MOSI-> SPI Serial Data Input
• MISO-> SPI Serial Data Output I²C Serial Clock / UART TX
• GND-> Ground
• RST-> Reset Input Active Low (Module is Reset on Rising Edge)
• VCC-> Supply Voltage (2.5 – 3.3VDC)

Resources

• Keyestudio Product Wiki Page
• NXP MFRC522 Product Page