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Bleak: Bluetooth Low Energy Client

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library 3.0.1 ·python
verified Jun 28, 2026

Bleak (Bluetooth Low Energy platform Agnostic Klient) is an asynchronous, cross-platform Python library that acts as a GATT client. It enables scanning for BLE devices, connecting to them, and communicating by reading/writing GATT characteristics and descriptors, and subscribing to notifications/indications. Bleak is actively maintained, with the current version being 3.0.1, and typically releases updates as needed for bug fixes and new features.

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