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
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
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 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
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
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
Author: Liang Zhanghua IoT Think Tank Original The Internet of Things (IoT), as a carrier of highly integrated and comprehensive utilization of new generation information technology, is widely applied in daily production and life, playing an important role in the new round of industrial transformation and the green, intelligent, and sustainable development of the economy … Read more
Why is the BLE protocol stack layered? How to understand BLE “connection”? What would happen if the BLE protocol only had the ATT layer without the GATT layer? Protocol Stack Framework Generally speaking, we refer to the implementation code of a protocol as a protocol stack, and the BLE protocol stack is the code that … Read more
All the information you need to know about Bluetooth Low Energy (BLE) in 2020 We live in a space where fantasy and reality reflect each other, technology and culture intertwine, individuals and the whole blend, and privacy and transparency are balanced. In a world of interconnected devices, everything tends towards excellence and the perfect performance … Read more
What are the differences between classic Bluetooth and Bluetooth low energy (BLE or LE)? Why are they both called “Bluetooth”? What is the difference between Bluetooth low energy and Bluetooth smart? Which technology should I choose for my application, classic Bluetooth or low energy Bluetooth? These are common questions for those who are new to … Read more