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00:00:00 – 00:07:22
The video provides an in-depth analysis of the Eddystone packet format, including the multiple beacon types introduced by Google like Eddystone UID, URL, and TLM. It emphasizes the practical applications and benefits of using these beacon formats—especially how URL frames can easily direct users to relevant promotional content or information at various locations such as historical sites and museums. Furthermore, the role of telemetry in wirelessly transmitting sensor data using Bluetooth is discussed. The video also touches upon the introduction of a cryptographically secure frame type, Eddystone-UID, and explains how beacons can be configured to broadcast information specific to authorized users via encrypted ephemeral identifiers (Eddystone GID). For further technical implementation and specifications, it refers viewers to detailed resources on GitHub.
00:00:00
In this segment of the video, the presenter discusses the Eddystone packet format and how to implement it using a specific SDK example for a micro Eddystone beacon. The Eddystone beacon types introduced by Google such as Eddystone UID, URL, and TLM are explained. The presentation details how Eddystone TLM packets are interleaved with UID and URL packets, with specific ratios of advertisement. The importance of each Eddystone type is broken down: UID is akin to iBeacons’ UUID and major/minor IDs; URL transmits web addresses; TLM includes telemetry data like battery voltage, temperature, advertisement count, and time elapsed.
00:03:00
In this part of the video, the speaker discusses the advantages of using UID, URL, and telemetry frames with Eddystone beacons. They explain that advertising with URLs is more beneficial than iBeacons because URLs can directly lead to promotional content or information about historical spots, museums, and more. They mention that telemetry involves sending sensor data wirelessly using Bluetooth. The speaker also provides a resource for more information about Eddystone beacons on GitHub and briefly touches on Eddystone-UID, which is a new frame type with cryptographic security.
00:06:00
In this part of the video, the method of configuring a beacon to broadcast information accessible only to authorized individuals is explained. Announced in April 2016, this feature applies to UID and URL formats as well as Eddystone GID. Eddystone GID includes a list on tell-em and uses an encrypted ephemeral identifier that changes periodically according to the initial registration with a web service. Example implementations and frame specifications are highlighted, such as the one for the ICC’s CC to 640, which will be discussed further.