This is the hardware layer responsible for actually sending and receiving signals over the 2.4 GHz band.
Defines the "who's who." It determines if a device is a Central (like your phone) or a Peripheral (like a heart rate sensor). Inside bluetooth low energy
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 This is the hardware layer responsible for actually
Handles pairing and encryption to keep the data stream private. 3. The Application (The "User Interface") BLE with ESP32 tutorial part 1: the Server Inside bluetooth low energy
Handles the "raw bits" and frequency hopping across 40 channels to avoid interference.
The Host acts as the software stack that manages how data is structured and secured.