To "put together" a BLE system, you need to understand three major building blocks that work in tandem: the , the Host , and the Application . 1. The Controller (The "Radio")
This is the most important part for developers. It defines how data is exchanged using a hierarchy of Services and Characteristics (e.g., a "Battery Service" with a "Level" characteristic). Inside bluetooth low energy
The Host acts as the software stack that manages how data is structured and secured. To "put together" a BLE system, you need
Defines the "who's who." It determines if a device is a Central (like your phone) or a Peripheral (like a heart rate sensor). It defines how data is exchanged using a
welcome everybody so I've gotten very many requests uh to make a video on Bluetooth. low energy BLE in combination with the ESP32. YouTube·MoThunderz