Bluetooth & BLE
Bluetooth Low Energy (BLE) design: GATT profile structure, advertising, connection parameters, pairing, security, and embedded module integration.
Questions
How Do BLE Connection Parameters Affect Power Consumption?
Tune BLE connection interval, slave latency, and supervision timeout for battery-powered peripherals. Covers trade-offs, negotiation, and platform examples.
How Does BLE Pairing and Security Work in Embedded Products?
BLE pairing modes: Just Works, Passkey, Numeric Comparison, OOB, and LE Secure Connections. Covers bonding, LTK storage, and nRF52/ESP32 implementation.
How Do Wi-Fi and BLE Coexist in the 2.4 GHz Band?
Design dual-radio products with both Wi-Fi and BLE in the 2.4 GHz band. Covers TDM arbitration, PTA, frequency planning, and coexistence on ESP32 and nRF.
How Do You Provision Wi-Fi Credentials on an Embedded IoT Device?
Wi-Fi provisioning for IoT: SoftAP, BLE-assisted, SmartConfig, and Matter commissioning. Covers ESP32 implementation and credential storage.
What Is Bluetooth Low Energy (BLE)?
Bluetooth Low Energy (BLE) is a 2.4 GHz protocol for low-power sensor-to-phone communication. Learn how advertising, GATT, and connection parameters work.