micro,sd卡模块,tf卡读写卡器,spi接口,带电平转换芯片
B-HCCX I-HCCX I-HCCX I-HCCX I-HCCX I-HCCX I-HCCX I-HCCX I-HCCX B-HCCX I-HCCX O B-HCCX I-HCCX I-HCCX B-HCCX I-HCCX I-HCCX I-HCCX O O O O O O O O O O B-HCCX I-HCCX I-HCCX I-HCCX