IoT is an extension and expansion of the Internet. It combines various information sensing devices with the network to form a huge network, realizing the interconnection of people, machines and…
The industrial Internet of Everything is a concept of the Internet of Things that is constantly developing, broader and more comprehensive. In the early days, it was only the networking…
Connection distance: select according to the distance, and determine which BLE Bluetooth module can better meet the data transmission requirements according to the distance in the actual application of the…
There are two types of chips in the Bluetooth low energy architecture: single-mode chips and dual-mode chips. A Bluetooth single-mode device is a new type of chip in the Bluetooth…
The structure of BLE is as follows PHY layer: 1Mbps adaptive frequency hopping GFSK (Gaussian frequency shift keying), operating in the license-exempt 2.4GHz frequency band.Connection layer LL: The control chip…
The Wi-Fi module, also known as the serial port Wi-Fi module, belongs to the Internet of Things transport layer. Its function is to convert the serial port or TTL level…
The Bluetooth module is a PCBA board with integrated Bluetooth function, which is used for short-distance wireless communication. It is divided into a Bluetooth data module and a Bluetooth voice…
Messaging has been used successfully all over the world as a basic communication mechanism. Messaging has always been the only commonly used method of communication, whether it is human-to-human, machine-to-human,…
Friend 1: A gateway also needs to be added when Bluetooth devices are remotely controlled. Bluetooth basically supports Mesh now, but Bluetooth Mesh is still not as stable as ZigBee…