bluetooth keyboard

Bluetooth HID Protocol Notes

1. Overview The Human Interface Device (HID) defines the protocols, features and usage procedures of Bluetooth in human interface devices. Typical applications include Bluetooth mouse, Bluetooth keyboard, Bluetooth gamepad, etc.…
Explain UART, SPI and I2C in detail

Explain UART, SPI and I2C in detail

UART, SPI, and I2C are common communication protocols used in embedded systems and IoT devices to transfer data between integrated circuits, microcontrollers, and sensors. UART (Universal Asynchronous Receiver/Transmitter) is a…
beacon indoor

Bluetooth Beacon makes indoor positioning easier

The IoT technology has been constantly updated and iterated, and the indoor positioning technology has also undergone earth shaking changes. From room level positioning, decimeter level positioning to high-precision centimeter…

Eight features of Bluetooth Technology

(1) Bluetooth module is small and easy to integrate: due to the small volume of personal mobile devices, the volume of Bluetooth chips embedded in them should be smaller.(2) Low…
IoT

What’s IoT?

Internet of things (IoT) refers to the real-time collection of any object or process that needs monitoring, connection and interaction through various devices and technologies such as information sensors, radio…
bluetooth

Advantages and development prospects of Bluetooth

Bluetooth technology is an open global standard for wireless data and voice communication. It establishes a special connection for the communication environment between fixed and mobile devices based on low-cost…
bluetooth

BLE technology in wireless communication

At present, more than 100 million devices in the world support Bluetooth technology, of which more than 50% are used on mobile phones. Bluetooth technology is a solution for wireless…
bluetooth

Bluetooth technology application

(1) Applications on mobile phones. The digital mobile phone embedded with Bluetooth technology will realize one machine and three functions, and truly realize the function of personal communication. In the…