Bluetooth peripheral

In the context of Bluetooth Low Energy (BLE), the term "peripheral" refers to a device that advertises its presence and offers services that a central device can connect to. The peripheral typically provides data and services, and the central reads from or writes to the peripheral.

Here's a more detailed breakdown:

1. Peripheral Device:

   • Role: Acts as a server.
   • Responsibility: Advertises its availability and provides services and characteristics that a central can access.
   • Typical Examples: Wearable devices (like fitness trackers), sensors, beacons, and other low-power devices.

2. Central Device:

   • Role: Acts as a client.
   • Responsibility: Scans for available peripherals, initiates connections, and reads/writes data from/to peripherals.
   • Typical Examples: Smartphones, tablets, or computers.

In many BLE interactions, the peripheral offers the data (like a heart rate from a fitness tracker) and the central reads that data. The peripheral can also receive commands or data from the central, such as configuration commands or control signals.

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Backlinks

• Bluetooth notify-notification