Offline IoT - Building Resilient Connected Devices without the Internet
summary
Shows concrete builds and numbers: local-first devices avoid the ~10% remote-use slow path by using multicast UDP discovery, mdns and DNS-SD, or MQTT brokers; examples use Node.js on Raspberry Pi and Tessel, microcontrollers running moddable and ESP32, and libraries like Johnny-Five and Homebridge. Demos include a clap-controlled outlet using local pub/sub and an “on-air” light triggered by macOS webcam events. Claims: fetch exists on microcontrollers, ECMA-419 APIs land for peripherals, and offline-first reduces reliance on cloud services and remote obsolescence.
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chapters (9)
- 0:00Start
- 1:51The State of Iot in the Real World
- 2:09The Iot Ecosystem
- 4:43Offline First Way of Development
- 7:36How Can these Connect Devices Communicate without the Internet
- 8:54Multicast Udp
- 9:38Mesh Networking
- 10:00Z-Wave
- 23:24Demo
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