4.1 ESP32 BLE

ESP32 BLE

Bluetooth Low Energe

Tutorials_Site

Mode

1. Broadcast mode
2. Mesh network

GATT

GATT : Generic Attributes

hierarchy data structure -> UUID

SIG Bluetooth Special Interest Group

UUID : Universally Unique IDentifier 범용 고유 식별자
128-bit (16 bytes) number

BLE Characteristic

Service(in hierachy) - Characteristic ->

1. characteristic declaration
   
2. characteristic value
   

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