Creating IoT applications with Bluetooth Low Energy and Qt
summary
Claims massive Bluetooth Smart growth (2.5 billion devices in 2013, over 3 billion in 2014, and ~10 million Bluetooth devices shipping per day), shows concrete tools and APIs: Bluetooth Developer Studio, Qt 5.5 APIs and sample apps, and demonstrates code generation to generate Android and Arduino code. Explains scanning/advertising (GAP), services/characteristics/descriptors (GATT/ATT), and Qt classes like Bluetooth device discovery agent, low energy controller, service/characteristic/descriptor; heart‑rate demo works, the custom Neoatrix LED matrix demo fails due to power.
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chapters (9)
- 0:00Introduction and IoT opportunity
- 3:14Bluetooth Low Energy basics
- 9:12Live demos and GAP theory
- 15:48GATT and attribute protocol
- 26:06Qt 5.5 BLE APIs overview
- 31:00Reading and writing characteristics
- 35:38Handling notifications and descriptors
- 39:12Resources and developer tools
- 42:10Q&A session
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