#RFID

nodemcu RFID 門禁卡

電路圖 --- 程式碼 --- lua Copy # include < SPI . h > # include < MFRC522 . h > # define SS_PIN D4 # define RST_PIN D8 MFRC522 rfid ( SS_PIN , RST_PIN ); // Instance of the class MFRC522 :: MIFARE_…