我试过是可以的,电脑供电时读出卡后,声音小一点而已,单独电源供电声音大一点,我直接把程序写在STC89C52中,端口连接如下:
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
//指示灯
sbit LED_GREEN = P1^0;
//蜂鸣器引脚定义
sbit Speaker = P2^3; |