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CC2540可以做蓝牙4.0键盘直接连接电脑么

Other Parts Discussed in Thread: CC2540, CC2564, TIDM-BLE-KEYBOARD, TIDC-BLUETOOTH-SMART-KEYBOARD-MODULE

请问下TI的工程师,CC2540可以做一个蓝牙数字键盘,直接连接电脑使用么,此笔记本带有蓝牙4.0。

但是有说电脑必须连接一个dongle才行,这样失去了做键盘的意义(如果电脑本身有蓝牙4.0)