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星期五, 03 06月 2022 20:56
Bluetooth Protocol Stack
The Bluetooth® Special Interest Group (SIG) [1] and [2] defines the protocol stack for Bluetooth low energy (LE) and Bluetooth basic rate/enhanced data rate (BR/EDR) technology. The fundamental objectives of these specifications is to develop interactive services and applications over interoperable radio components and data communication protocols.
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蓝牙协议栈
星期五, 20 08月 2021 10:57
Navigate inside tunnels with Bluetooth Beacons
Satellite navigation has revolutionized the way we get around. It’s cheap, fast and easy to use. But there’s one fatal flaw in the system: It simply can’t work underground.
GPS requires line of sight to satellites orbiting the planet. The great advantage of this is that it works seamlessly all over the world, without needing to be connected to a cellular or Wi-Fi network. This works well in open areas but in built-up areas with tall buildings, or in underground tunnels, the system can fall apart.
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科普知识
星期五, 20 08月 2021 10:54
Transforming retail with Bluetooth beacons
Bluetooth beacons offer a great opportunity for many industries to work more efficiently and improve their offering to customers. One of the most interesting applications is in the world of retail, where the phrase ‘know your customer’ is taking on a whole new meaning.
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科普知识
星期五, 20 08月 2021 10:52
Bluetooth mesh in lighting: What comes next?
Mesh networking with Bluetooth has a bright future. By taking advantage of existing lighting systems you open the door to huge added value possibilities, both for your business and its customers.
While mesh networking is nothing new, it is only now starting to be adopted in industrial and commercial environments. Bluetooth Mesh offers a low power mesh network with the potential to deliver many and varied added value services.
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科普知识
星期四, 19 08月 2021 22:27
How Combining UWB and Bluetooth Low Energy Enables Innovation
A growing number of everyday digital devices, including things like smartphones, door locks, and even the latest cars, now use a wireless feature called spatial awareness. A spatially aware digital device can understand where it is in relation to other devices, and then respond to changes in the positioning of those devices. Spatial awareness makes it easier for us, the users of digital devices, to move through our days.
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技术文章
星期日, 11 10月 2020 18:25
ST BlueNRG-LP:Programmable Bluetooth® Low Energy Wireless SoC
The BlueNRG-LP is an ultra-low power programmable Bluetooth® Low Energy wireless SoC solution. It embeds STMicroelectronics’s state-of-art 2.4 GHz RF radio IPs combining unparalleled performance with extremely long-battery lifetime. It is compliant with Bluetooth® Low Energy SIG core specification version 5.2 addressing point-to-point connectivity and Bluetooth Mesh networking and allows large-scale device networks to be established in a reliable way. The BlueNRG-LP is also suitable for 2.4 GHz proprietary radio wireless communication to address ultra-low latency applications.
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蓝牙芯片
星期六, 19 09月 2020 12:51
Ti SimpleLink Bluetooth® Low Energy wireless MCUs
Low-power wireless standard to easily connect any product to smartphones or tablets
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蓝牙模块
星期五, 18 09月 2020 23:17
STMicroelectronics Bluetooth low energy expansion board based on the BlueNRG-M0 module for STM32 Nucleo X-NUCLEO-IDB05A2
The X-NUCLEO-IDB05A2 Bluetooth low energy expansion board is based on the BlueNRG-M0 BLE network processor module.
The BlueNRG-M0 is Bluetooth v4.2 compliant, FCC and IC certified (FCC ID: S9NBNRGM0AL; IC: 8976C-BNRGM0AL). It supports simultaneous master/slave roles and can behave as a Bluetooth low energy sensor and hub device at the same time.
The BlueNRG-M0 provides a complete RF platform in a tiny form factor, with integrated radio, antenna, high frequency and LPO oscillators.
The X-NUCLEO-IDB05A2 is compatible with the ST morpho (not mounted) and Arduino UNO R3 connector layout.
The X-NUCLEO-IDB05A2 interfaces with the STM32 microcontroller via the SPI pin and allows changing the default SPI clock, SPI chip select and SPI IRQ by replacing a resistor on the expansion board.
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开发板
星期五, 18 09月 2020 21:28
STMicroelectronics STM32WBx0 Value Line
The STM32WBx0 is a dual-core wireless MCU based on an Arm® Cortex®‐M4 core running at 64 MHz (application processor) and an Arm® Cortex®‐M0+ core at 32 MHz (network processor). The STM32WBx0 Value Line is an entry-level solution, extending our portfolio to allow developers to define the right level of features so their design is cost-efficient and meets the requirements of a broad range of industrial and consumer IoT applications.
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蓝牙芯片
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