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目前想做一个设备端，手机连接时要配对，但只是配对，不需要输入密码，想问怎么设置，有例程可以参考吗？
可以不设置密码，例程在BLE协议栈里，协议栈下载地址：http://www.ti.com.cn/tool/cn/ble-stack
