Bluetooth Technology: Unlimited Connectivity, Opening up Future Smart Life
Bluetooth technology is an open global standard for wireless data and voice communication, which is based on low-cost short-range wireless connections and establishes a special connection for fixed and mobile device communication environments. Bluetooth operates in the globally recognized 2.4GHz ISM (Industrial, Scientific, Medical) frequency band, using the IEEE802.11 protocol.
Bluetooth Role Introduction
The main roles of BLE Bluetooth include: Advertiser, Scanner, Slave, and Master.
Introduction to Bluetooth gateway
The Bluetooth gateway mainly works in one master multi slave mode and is commonly used for data collection, sensor control, indoor positioning, etc. of surrounding Bluetooth devices in schools, shopping malls, and warehouses. The speed of the Bluetooth part can reach 1Mbs.
VDB2601 is a long-range Bluetooth gateway with PA, which can achieve ultra long distance coverage, with a maximum coverage distance of up to 100 meters in open environments!
VDB2601 is a beacon that integrates two wireless communication methods: WiFi and high-power Bluetooth BLE with PA. WiFi and Bluetooth communicate through a UART serial port to transmit broadcast data packets captured by Bluetooth scanning.
The gateway collects surrounding sensor data through Bluetooth scanning, performs preliminary processing, and uploads it to the server via WIFI. The gateway can also receive instructions from the server to connect and issue commands to surrounding devices.
Introduction to Beacon Features
Beacon is a broadcast protocol based on the low-power Bluetooth protocol, and it is also a low-power Bluetooth device (slave) that owns this protocol. As a Beacon device, it is usually placed in a fixed location indoors for continuous broadcasting to the surrounding area, but it cannot be connected to any low-power Bluetooth host. All broadcast data is arranged according to specific rules. Beacon continuously broadcasts to the surrounding environment while in operation, including device name, UUID, Major, Minor, and other information. These information can be modified through mobile applications.
Development Trends of Bluetooth Technology
Trend 1: Smart Home Market
Trend 2: Combining Bluetooth chips with sensors
In the future, the combination of Bluetooth and sensors can directly send the collected data to the cloud for processing, making every device equipped with a Bluetooth module a smart device. Such applications have great potential in homes and offices.
Trend 3: Beacon technology for indoor positioning
The Bluetooth based Beacon positioning technology has high accuracy and low cost, and will revolutionize the future retail model. For example, when you walk into a retail store, Beacons positioning technology can accurately locate you. When you reach the coat window, your phone will pop up relevant promotional information, and even recommend clothes based on your past purchasing big data.
Bluetooth technology can wirelessly connect devices. For example, Bluetooth technology can connect almost everything that can be thought of, such as door locks, lights, televisions, toys, automotive electronics, medical equipment, sports equipment, etc., to Bluetooth. The best experience is that Bluetooth technology can also be used to connect with shoppers, travelers, or spectators of events through the Beacon application. The latest application is the experience in the sharing economy, such as shared bicycles. The application of Bluetooth technology in the future will be able to expand infinitely with the imagination of developers.
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本文由莫子若转载自SKYLAB Official Website,原文标题为:Bluetooth technology: unlimited connectivity, opening up future smart life,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
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目录- Products Advantages Terminal Blocks Sensor/Actuator Cabling Connectors Software/Worker Assistance System Tools Surge Protection and Interference Suppression Filters Protective Devices Power Supplies and UPS Measurement and Control Technology Relay Modules Electronic Switching Devices and Motor Control Monitoring/Lighting and Signaling HMIs and Industrial PCs PLCs and I/O systems Functional Safety Industrial Communication Technology Charging Technology for E-Mobility
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