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App Inventor 2 经典蓝牙(SPP) 硬件接入：hc05 · App Inventor 2 中文网
...C05 简单介绍
基本接入代码参考
常见问题解决
Error 515: Not connected to a Bluetooth device.
Error 507: unable to connect. is the device turned on?
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经典蓝牙硬件有很多款，...
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$ErrorActionPreference="SilentlyContinue"
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– Wookie88
Oct 22 '12 at 22:53
@Wo...