The RC522 module is a Mifare card reader and writer based on the NXP RF base station chip. Operating at 13.56 MHz, it complies with the ISO14443A standard and supports multiple Mifare card types, including Mifare 1 S50, 1 S70, Light, UltraLight and Pro. Designed for ease of use, high reliability, and compact size, the module enables seamless integration of contactless card applications into various systems.

Features:

• Operating Frequency: 13.56MHz
• Operating Voltage: 2.5 - 3.6V
• Operating Current: 20mA
• Card Read Distance: 0~50mm (M1)
• Supporting Type: Mifare 1 S50, 1 S70, Light, UltraLight and Pro
• Operating Temperature: -25 to +85C

Example program: GitHub