In today’s booming era of the Internet of Things (IoT), microcontrollers play a crucial role as core control units. Bluetooth technology, with its convenient wireless communication characteristics, has expanded the application space for microcontrollers. The STM32 series microcontrollers are favored by developers for their high performance and low power consumption. 1. Overview of Bluetooth (1) … Read more
Source: Internet Authors: Xu Yongjun, Zhu Hongsong The wireless network, as an application-oriented research field, has developed rapidly in recent years. In terms of key technology research and development, academia has conducted extensive research in areas such as network protocols, data fusion, testing and measurement, operating systems, service quality, node positioning, and time synchronization, achieving … Read more
Attributes play a crucial role in BLE, serving as a bridge between different components. Today, let’s learn about the concept of attributes. Attributes: The architecture of BLE is divided into servers and clients. The way BLE works is by storing data on the server, which the client can access. Data is stored in a format … Read more
On November 22 last year, Chip Intelligence published an article titled “The Future of TWS Headphones: Bluetooth BLE Audio is Coming, Will Mobile Giants Dominate?” which first exposed the upcoming release of the new Bluetooth BLE Audio standard by the Bluetooth Special Interest Group (Bluetooth SIG), while also introducing how this standard will drive the … Read more
In 2017, many flagship smartphones, represented by the Samsung S8, began to support Bluetooth 5.0 technology. However, many people still do not understand what Bluetooth 5.0 is and how it differs from the earlier widely adopted Bluetooth 4.x. Bluetooth 5.0 has not been heavily promoted by mobile manufacturers because it does not focus on better … Read more
The DHS 4300A series manual, released by the U.S. Department of Homeland Security, aims to guide the secure use of wireless technologies in sensitive systems. The manual includes usage specifications for various wireless technologies such as RFID and Bluetooth. Next, we will analyze the guidance requirements for Bluetooth technology in this manual. DHS 4300A –Q6 … Read more
We often use Bluetooth in our phones, right? For example, connecting to Bluetooth headphones to listen to music or transferring files between different devices, Bluetooth is a very convenient data transmission method. But have you ever wondered, since it is a transmission technology, why is the “Bluetooth” used in phones given such a strange name? … Read more
The Internet of Things (IoT) represents a technological revolution, gaining momentum in recent years. Digital technologies led by 5G, cloud computing, and artificial intelligence are accelerating the process of connecting everything, reshaping the development models of life, production, and the public domain. Industry predictions suggest that by 2025, the number of global IoT connected devices … Read more
According to the research report “Wireless Connectivity Market Analysis” published by semiconductor industry research organization TSR, Espressif Technology is one of the major suppliers of IoT Wi-Fi MCU chips, with strong import substitution capabilities and international market competitiveness. From 2017 to 2019, the company’s product sales market share remained around 30%, ranking first. Other competitors … Read more
Author: Gu ZhengshuOriginal by EET Electronic Engineering Magazine The development of emerging AIoT applications has driven many domestic chip manufacturers to develop AIoT system-on-chip (SoC) targeting specific application scenarios. In preparation for the upcoming 2021 International AIOT Ecological Development Conference, the analyst team of ASPENCORE’s “Electronic Engineering Magazine” has categorized these AIoT SoCs into 10 … Read more