What is the upgrade of Bluetooth 4.0/4.1/4.2/5.0/5.1/5.2？
1. Brief introductionAfter years of development, Bluetooth has been gradually upgraded from the initial version 1.0 to version 5.3. Among them, the version before version …
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Does Bluetooth 5.0 support lossless audio?
Yes. Bluetooth 5.0 does not greatly improve the sound quality of audio transmission. The Bluetooth A2DP protocol commonly used in listening to songs belongs to …
The Limitations and Possibilities: How Many Devices Can Bluetooth Connect Simultaneously?
Bluetooth technology has become a staple for wireless connectivity, allowing devices to communicate seamlessly within a certain range. However, one common question that arises is …
Bluetooth HID Protocol Notes
1. Overview 2. Some concepts(1) HID Reports: Bluetooth HID devices support three kinds of Reports: Input, Output, and Feature.(2) HID establishes two channels, Control Channel …
Demystifying UART, SPI, and I2C: The Foundations of Serial Communication
In the realm of microcontroller programming and embedded systems, serial communication is a fundamental aspect. Three of the most common serial communication protocols are UART …
Comparison of indoor positioning schemes: UWB, Bluetooth, RFID, WiFi
Indoor positioning technology is constantly developing, and the means are also rich and diverse. WiFi, Bluetooth, RFID and UWB are popular. These kinds of technologies …
Demystifying Indoor Navigation: How Bluetooth Beacons Simplify Positioning
Indoor positioning has long been a challenge due to the limitations of GPS and other wide-area navigation systems. However, the advent of Bluetooth beacon technology …
