Bluetooth can connect to 7 devices at the same time, but the types of connected devices must be different, such as Bluetooth headsets, Bluetooth mice, and Bluetooth keyboards; because it is stated in the Bluetooth protocol that the Bluetooth host can connect to up to 7 sub-devices at the same time. But only one of the same devices can be connected. Bluetooth is a short-range wireless communication technology. Electronic devices can be connected to each other through Bluetooth, eliminating the need for traditional wires.
The operating environment of this tutorial: Windows 7 system, Dell G3 computer.
Bluetooth can connect to 7 devices at the same time.
But the types of connected devices must be different, such as Bluetooth headsets, Bluetooth mice, and Bluetooth keyboards. These three are different types, because it is stated in the Bluetooth protocol that the Bluetooth host can connect up to 7 devices at the same time. sub-device, but only one of the same device can be connected.
Bluetooth Introduction
Bluetooth is a short-range wireless communication technology. Electronic devices can be connected to each other through Bluetooth. , eliminating traditional wires. Through the wireless receiver on the chip, electronic products equipped with Bluetooth technology can communicate with each other within a distance of ten meters, and the transmission speed can reach 1 megabyte per second.
How Bluetooth works
The basic principle of Bluetooth is that a Bluetooth device relies on a dedicated Bluetooth chip to enable the device to send radio signals within a short distance to find another Bluetooth device ,Once found, they start communicating and exchanging ,information with each other.
Characteristics of Bluetooth
Propagate through frequency hopping spread spectrum technology: During the actual application of Bluetooth technology, the original frequency points can be divided and converted. If using For some Bluetooth technologies with fast frequency hopping speed, the main unit in the entire Bluetooth system will be converted through automatic frequency hopping, thereby hopping randomly. Because Bluetooth technology itself has high security and Anti-interference ability and quality of Bluetooth operation during practical applications.
Benefits of Bluetooth
Bluetooth technology allows mobile phones and computers to share and transmit synchronized address book information.
You can also use Bluetooth to change ringtones, pictures, mini-games, etc. for your phone to achieve free short-distance transmission.
If your mobile phone has Bluetooth broadband, you can also use Bluetooth to achieve broadband Internet access.
If your mobile phone has Bluetooth dial-up Internet access and other functions, you can also perform Internet dial-up settings through Bluetooth.
Application of Bluetooth
The application of Bluetooth technology in CNC machine tools is mainly reflected in wireless monitoring, using Bluetooth technology to install Corresponding monitoring facilities provide convenience for CNC machine tool users in production, while also maintaining the safety of CNC machine tool production. Technicians use the Bluetooth monitoring equipment they carry to monitor and manage the operation of machine tools at any time, and promptly address production problems with CNC machine tools when they are discovered.
The application of Bluetooth technology in hospital ward monitoring is mainly reflected in the bed terminal equipment and ward controller. The main control computer is used to upload the bed terminal equipment number and the patient's basic hospitalization information, and equip the inpatients with bed terminal equipment. , once the patient has an emergency, the hospital bed terminal device is used to send out a signal, and Bluetooth technology wirelessly transmits it to the ward controller.
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