Quiet on Set - Building an On-Air Sign with Open Source Tech
summary
Builds a working on‑air sign using a Raspberry Pi that lights within a second when camera logs show AV capture or a Zoom port check indicates a meeting, with soldering required for the RGB matrix; events go to Apache Kafka (one‑week retention, keyed by device), Flink reads Kafka and writes partitioned parquet to S3 via a Polaris catalog into Apache Iceberg tables for analytics, and the presenter claims the same scaffolding can scale to millions of users while the prototype proves end‑to‑end.
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chapters (10)
- 0:00Introduction
- 2:53IoT on-air sign system
- 5:00Raspberry Pi and LED matrix
- 10:12Camera and Zoom events with Kafka
- 15:03Scheduling scripts on Mac
- 17:08Kafka data for LED sign
- 20:19Kafka to Apache Iceberg
- 27:01Flink and Iceberg stream processing
- 34:02Analytics and chatbots
- 37:29Summary
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