Detailed Use of Android Bluetooth Basic Framework

Detailed Use of Android Bluetooth Basic Framework

Today’s Tech News Recent reports indicate that Samsung is set to launch the Galaxy Note 8 at the end of August, several months ahead of iOS phones entering the market. Rumors about the Note 8 surfaced back in April, suggesting that the phone will have a narrower bezel, a larger screen, and dual cameras. Traditionally, … Read more

Tesla Major Security Vulnerability: Keyless Car Unlocking via BLE Relay Attack

Tesla Major Security Vulnerability: Keyless Car Unlocking via BLE Relay Attack

In a recent cybersecurity study, Tesla’s keyless entry system revealed a major security vulnerability, allowing attackers to unlock a Tesla Model 3 or Model Y within 10 seconds through a BLE (Bluetooth Low Energy) relay attack. The method to execute this attack is not complicated. It merely requires placing a decoding sensing device near the … Read more

Indoor Distance Measurement Positioning Method Considering BLE Beacon Geometry Optimization

Indoor Distance Measurement Positioning Method Considering BLE Beacon Geometry Optimization

Title:Indoor Distance Measurement Positioning Method Considering BLE Beacon Geometry Optimization Authors: Bi Jingxue1, Wang Yunjia2, Ning Yipeng1, Guo Qiuying1, Sang Wengang1, Cheng Na1, Yao Guobiao1 Affiliations: 1. Shandong Jianzhu University, School of Surveying and Geo-Informatics, Shandong Jinan 250101; 2. China University of Mining and Technology, School of Environment and Surveying, Jiangsu Xuzhou 221116 Abstract: Low-power … Read more

BLE Wall Switch Solution Without Neutral Wire Connection

BLE Wall Switch Solution Without Neutral Wire Connection

Power Integrations has released a new design example report (DER-832) – this single live wire Bluetooth Low Energy (BLE) smart wall switch does not require a neutral wire connection and can power LED/fluorescent/incandescent bulbs from 3 W to 600 W. This design is based on PI’s high-efficiency LinkSwitch-TN2 offline switch power supply IC, featuring ultra-low … Read more

How BLE Bluetooth Chip, Audio CODEC, and PMU Achieve $0.5

How BLE Bluetooth Chip, Audio CODEC, and PMU Achieve $0.5

In the past two years of trade frictions, there have been at least twenty rounds of back-and-forth between China and the United States. By May of this year, BIS (the U.S. Department of Commerce’s Bureau of Industry and Security) included Huawei and its 68 affiliates on the Entity List, continuing the ongoing dispute. China plans … Read more

Overview of BLE Rate Adaptive Algorithm Based on RSSI Threshold

Overview of BLE Rate Adaptive Algorithm Based on RSSI Threshold

Sun Zhongjie (Nanjing Silan Microelectronics Technology Co., Ltd.,Jiangsu Nanjing 210042) Abstract:In recent years,how to reasonably use multiple rates for communication in BLE has received wide attention, but most studies focus on performance optimization at a single communication rate, which has a certain impact on the throughput of BLE device systems。To address these issues, a RSSI … Read more

Detailed Explanation of BLE Air Packet Format and Link Layer Protocol

What are the different air packet formats in BLE? What are the common PDU commands? What is the difference between PDU and MTU? What is DLE? How does BLE implement retransmission? What is the principle of the BLE ACK mechanism? I hope this article can help answer these questions. Although the BLE air packet (also … Read more

Why Our Wearable Device Does Not Use Bluetooth (BLE) Protocol

Why Our Wearable Device Does Not Use Bluetooth (BLE) Protocol

Why Our Wearable Device Does Not Use Bluetooth (BLE) Protocol Introduction After 2010, with the promotion of low-energy Bluetooth protocol, the power consumption problem of traditional Bluetooth protocol has been greatly solved. Along with the development of smartphones, there has been a significant wave of smart hardware, including various wearable devices centered around smartphones, such … Read more

In-Depth Analysis of BLE Connection Establishment Process

In-Depth Analysis of BLE Connection Establishment Process

Why can the same smartphone connect successfully with some devices but fail with others? Why can the same device connect with some smartphones but not with others? Why does the same smartphone connect quickly with the same device at times and slowly at others? What is a Master? What is a Slave? What are Connection … Read more

Discovering New Productive Forces in Zhejiang: More Stable Than WiFi, Better Than Bluetooth!

Discovering New Productive Forces in Zhejiang: More Stable Than WiFi, Better Than Bluetooth!

Recently, at the 2024 International Star Flash Alliance Industry Summit, Lierda Technology Group Co., Ltd. showcased its latest developed EB21 series SLE transparent transmission module. On March 13, the Lierda Star Flash series module had already made its debut at the Huawei HarmonyOS Connect Partner Summit. | Image of Lierda EB21 Series SLE Transparent Transmission … Read more