232: Blob Is a Good Word
Jackson Keating, a firmware engineer at Identity Card who previously worked on Bluetooth stacks at Podo Labs, explains the architecture of Bluetooth Low Energy (BLE), focusing on the GATT database structure of services, characteristics, and descriptors. The hosts and guest discuss the practical differences between BLE and Wi-Fi, the role of advertising packets in device discovery, and the complexities of pairing and security. They also compare development experiences with Nordic nRF chips and Texas Instruments CC26xx devices, recommending vendor tutorials and the Core Bluetooth API for learning.