BLE Mesh is designed for networks supporting large-scale node communication. It can support more nodes communicating over longer message transmission distances (relay nodes), lower power consumption IoT nodes (low power nodes), and reliable message transmission (secure encryption). For instance, BLE Mesh nodes can be deployed in scenarios like parking lots, building automation, and indoor supermarkets, … Read more
Currently, there are numerous articles introducing Bluetooth chips in the market, but most of them are quite similar. What kind of performance do Bluetooth chips really have? Which manufacturers are better compared to others? For different needs, which chip can meet the requirements to the greatest extent? What are the hidden complexities? Today, let’s interpret … Read more
Linux is widely used in the consumer electronics field, where power saving is an important topic for consumer electronic products. Power management in Linux is very complex, involving system-level standby, dynamic voltage and frequency scaling, handling system idleness, and the support of each device driver for system standby and runtime power management for each device. … Read more
Introduction: Near Field Communication (NFC) and Bluetooth Low Energy (BLE) are low-power wireless technologies suitable for different enterprise purposes. This article has 1754 words, reading time approximately: 2 minutes https://linux.cn/article-12735-1.htmlAuthor: Jon GoldTranslator: chenmu-kk Among the many options for low-power, relatively short-range connections, two technologies stand out—Near Field Communication (NFC) and Bluetooth Low Energy (BLE). Both … Read more
Environment Setup We previously introduced the data packets and the various layers of the protocol. Next, we will use the Ubertooth One to capture Bluetooth packets during the communication process. (1) Install lib Library apt-get install python-software-properties add-apt-repository ppa:pyside apt-get update apt-get install libnl-dev libusb-1.0-0-dev pyside-tools (2) Install libbtbb wget https://github.com/greatscottgadgets/libbtbb/archive/2015-09-R2.tar.gz -O libbtbb-2015-09-R2.tar.gz tar xf … Read more
Bluetooth States and Basic Connection Process 0.1 Bluetooth States: Bluetooth has 5 states: Standby State: No devices are connected, and no data is being transmitted or sent. Advertising State: Periodic advertising state. Scanning State: Actively searching for broadcasting devices. Initiator State: Actively initiating a connection. Connected State: Already connected. 0.2 Bluetooth Connection Process Figure 1 … Read more
Welcome to the Chip Talent Network to search for chip talents and positions. Source: EETOP compiled from allaboutcircuits Bluetooth LE (BLE) is a Bluetooth protocol designed specifically for ultra-low power applications. In this article, we will learn how BLE has become an energy-efficient short-range wireless connectivity technology. Before diving into the details of BLE, let’s … Read more
When developing any type of system, it is easy to encounter a contradiction (as in the case of Rule 22 of military regulations) where you need to test the product you have developed, but the other subsystems required to support your testing have not yet been developed. Whether it is a software system or a … Read more
As a fashionable tech enthusiast, there are a few products that enhance personal style in life:Bluetooth headsets, Bluetooth mice, Bluetooth speakers, smart wristbands… Just buying one, even if you haven’t started using it, will make you feel like your life has instantly elevated in quality, and the tech factor skyrockets. Copyright images from the gallery, … Read more
As a trendy tech enthusiast, there are several products in life that enhance personal style: Bluetooth headsets, Bluetooth mice, Bluetooth speakers, smart wristbands… Just buying one, even if you haven’t started using it, will make you feel like your life has instantly leveled up, and your tech attributes have skyrocketed. A Bluetooth tampon produced by … Read more