Bluetooth, Wi-Fi, and Zigbee are three mainstream wireless communication technologies, with the main differences being transmission distance, power consumption, data rate, and application scenarios: Bluetooth is suitable for short-range low-power device pairing (such as headphones), Wi-Fi focuses on high-speed internet access (such as video streaming), and Zigbee is designed for low-power IoT networking (such as … Read more
Bluetooth™ channel sounding (Bluetooth® Channel Sounding） provides strong support for numerous use cases that rely on high-precision and secure device positioning. Whether it is personal item tracking, digital keys, or various scenarios that benefit from accurately obtaining the distance between two different Bluetooth™ devices, this technology makes it possible. Given the vast Bluetooth device ecosystem … Read more
The Bluetooth Remote Control is a mobile application developed based on Bluetooth (Android system). It connects to the target control device via Bluetooth, allowing users to control the target device through this software. This article will introduce how to connect to a computer when using the Bluetooth Remote Control software for the first time, enabling … Read more
Bluetooth BQB certification (Bluetooth Qualification Body certification) is a necessary process for the legal use of Bluetooth technology, names, and logos, regulated by the Bluetooth Special Interest Group (SIG). Below are the detailed required documents and processes: 1. Required Documentation for BQB Certification Depending on the product type (such as new designs, derivative products based … Read more
Have you ever eagerly opened your newly purchased Huawei Bluetooth mouse, only to find that the cursor is completely unresponsive? Or did the mouse suddenly “stop working” during normal use, leaving you at a loss? Bluetooth connection issues are common, but they are not complicated to resolve. This article will guide you step by step … Read more
Zephyr v4.2.0 was released on schedule on July 18, 2025, with support until March 18, 2026. Release file: https://github.com/zephyrproject-rtos/zephyr/releases/tag/v4.2.0 Release Notes: https://docs.zephyrproject.org/latest/releases/release-notes-4.2.html Release Blog: https://www.zephyrproject.org/zephyr-rtos-4-2-now-available-introduces-renesas-rx-support-usb-video-class-and-more/ Migration Guide (from 4.1.0 to 4.2.0): https://docs.zephyrproject.org/latest/releases/migration-guide-4.2.html Supporting Video: https://www.youtube.com/watch?v=25xrHzeaw5w The official release blog provides a detailed overview of the new features and highlights of v4.2.0. The release notes contain … Read more
1. Overview L2CAP: Logical Link Control and Adaptation Layer Protocol The structure and position of L2CAP in the protocol stack are shown in the figure below: 1.1 Channel Manager The Channel Manager provides control plane functionality and is responsible for all internal signaling, L2CAP peer signaling, and signaling interactions with upper and lower layers. 1.1.1 … Read more
Welcome to our article. This article clarifies where the “true” aspect of TWS (True Wireless Stereo) lies, which is also the reason why the Bluetooth Special Interest Group is hastily promoting LE Audio.
Bluetooth, Wi-Fi, and Zigbee are three mainstream wireless communication technologies. The main differences lie in transmission distance, power consumption, data rate, and application scenarios: Bluetooth is suitable for short-range low-power device pairing (such as headphones), Wi-Fi focuses on high-speed internet access (such as video streaming), and Zigbee is designed for low-power IoT networking (such as … Read more
1. Introduction With the development of technology, smart home devices are receiving increasing attention. This article introduces a smart learning desk lamp based on the STM32F103 microcontroller, which can automatically adjust brightness according to ambient light intensity and transmit environmental data to a mobile phone via Bluetooth for remote monitoring and control. 2. System Design2.1 … Read more