我試過是可以的,電腦供電時讀出卡后,聲音小一點而已,單獨電源供電聲音大一點,我直接把程序寫在STC89C52中,端口連接如下:
sbit MF522_SDA = P2^7 ; //SDA
sbit MF522_SCK = P2^6; //SCK
sbit MF522_MOSI = P2^5; //MOSI
sbit MF522_MISO = P2^4; //MISO
sbit MF522_RST = P2^2; //RST
//指示燈
sbit LED_GREEN = P1^0;
//蜂鳴器引腳定義
sbit Speaker = P2^3; |
