Bluetooth

Bluetooth™ Randomized RPA Feature Update Enhances Device Privacy and Energy Efficiency

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Bluetooth™ Randomized RPA Feature Update Enhances Device Privacy and Energy Efficiency

Bluetooth™ Randomized Resolvable Private Address (Bluetooth® Randomized RPA) feature update has been released, which enhances the privacy and energy efficiency of low-energy Bluetooth devices by optimizing the management of resolvable private addresses. This article will discuss the importance of the Bluetooth™ Randomized RPA update, explain how it works, and provide practical information for users encountering … Read more

Exploring Bluetooth Data Transmission: A Deep Dive into SPP Mode on the Quecpython Platform!

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Exploring Bluetooth Data Transmission: A Deep Dive into SPP Mode on the Quecpython Platform!

Hello, Bluetooth enthusiasts and development experts! Today, let’s discuss a super practical skill: using SPP mode to master Bluetooth on the Quecpython platform! Whether you want to achieve wireless serial communication or facilitate data transfer between devices, this guide will turn you into a “Bluetooth expert” in no time, making it easy for beginners to … Read more

Understanding Bluetooth SIG Mesh Protocol

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Understanding Bluetooth SIG Mesh Protocol

Bluetooth SIG Mesh is a set of Mesh protocols established by the Bluetooth Special Interest Group (SIG) based on Bluetooth technology. Currently, most Bluetooth Mesh systems in smart homes are implementations of SIG Mesh that adopt a “flooding” mechanism. The flooding mechanism lies between star topology and true Mesh: it is like a semi-solid battery … Read more

40 Test Questions for Bluetooth Engineers

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40 Test Questions for Bluetooth Engineers

If you can’t answer 30 questions, it’s time to go back to the drawing board.1. 20 Basic Knowledge Test Questions on Bluetooth Audio1. What are the commonly used encoding formats in Bluetooth audio? (List at least 3) 2. What are the main improvements in audio transmission from Bluetooth 5.0 compared to Bluetooth 4.2? 3. What … Read more

Another Company Designing Low-Power Bluetooth Audio Chips

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Another Company Designing Low-Power Bluetooth Audio Chips

This article serves as a personal investment record for individual learning and review. Friends who read this article should not trade based on any varieties mentioned. All varieties mentioned carry the risk of significant losses, which is not alarmist but a reality experienced by most of my varieties during this bear market from 2022 to … Read more

Solution | KW47 BLE Single Point CS + Multi-Node Listening Digital Key Solution for Automobiles

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Solution | KW47 BLE Single Point CS + Multi-Node Listening Digital Key Solution for Automobiles

This article provides an overview Legong Technology and Qiuyuan Electronics have developed a new Bluetooth digital key solution for automobiles based on the Bluetooth 6.0 certified KW47 chip, which implements single-point Channel Sounding (CS) and multi-node listening. This solution offers high-precision Channel Sounding ranging capabilities, assisting automotive manufacturers in distance measurement and area positioning, injecting … Read more

Creating a Force Sensor Based on ESP32 and HX711

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Creating a Force Sensor Based on ESP32 and HX711

Creating a Force Sensor Based on ESP32 and HX711—— Research Project on Basic Education Reform in Hunan Province 01Working Principle Force Sensor → HX711 → ESP32 → Bluetooth → Phyphox Mobile App HX711 ModuleHX711 is a high-precision 24-bit analog-to-digital converter chip specifically designed for pressure sensors. Its main function is to amplify the measured small … Read more

Introduction to Tianli’s Automotive Bluetooth Key Solution

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Introduction to Tianli's Automotive Bluetooth Key Solution

Bluetooth Car Key A Bluetooth car key is an advanced automotive key technology that utilizes Bluetooth technology to communicate with the vehicle. Typically, a Bluetooth car key can pair with the vehicle’s internal Bluetooth system, allowing users to unlock and start the car using a smartphone or other Bluetooth devices, eliminating the need for a … Read more

Intelligent Lawn Mower Solution Based on Low Power Bluetooth and UWB Technology

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Intelligent Lawn Mower Solution Based on Low Power Bluetooth and UWB Technology

With the rapid development of smart home and Internet of Things (IoT) technologies, lawn mowers are gradually evolving from traditional manual operation to intelligent and precise solutions. Early lawn mowers relied on manual operation, which was time-consuming and labor-intensive, and the constraints of wiring limited the mowing area. Today’s robotic lawn mowers are equipped with … Read more

Notes on Using Daxia Bluetooth Modules: Part Two

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Notes on Using Daxia Bluetooth Modules: Part Two

Recently, I have been using Daxia’s Bluetooth modules, which come in two models: BT36 and BT04-E. There are significant differences between these two models in terms of communication.First, let’s talk about the upload (data sent from the Bluetooth module to the host computer) byte count. The BT04-E sends 12 bytes of data each time. For … Read more