This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
手机蓝牙与cc2541连接时，手机只能是主机，cc2541只能是从机吗？
手机蓝牙可不可以既是主机又可以做从机？
2540可以切换主从机，手机端不清楚；
不过在一个连接过程中，只能保持一个角色
