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RC522 RFID Module

The RC522 is a 13.56MHz RFID module that is based on the MFRC522 controller from NXP semiconductors. The module can supports I2C, SPI and UART and normally is shipped with a RFID card and key fob.

SX1278 LoRa RF Module

                                                                                   Pin Description:

HT12E RF Encoder IC

HT12E Pin Configuration