Network cabinet fan controller

{
  "duration": 108.672,
  "beats": [
    {
      "i": 0,
      "start": 0,
      "end": 10.697999999999999,
      "audioDuration": 10.248,
      "title": "Built around the cabinet",
      "text": "A compact fan controller, designed around its cabinet: wired networking, independent fan control, and a visible speed display inside one serviceable puck.",
      "view": "assembled"
    },
    {
      "i": 1,
      "start": 10.697999999999999,
      "end": 18.444,
      "audioDuration": 7.296,
      "title": "A threaded reveal",
      "text": "The outer cap follows a coarse printed thread, opening to reveal the circuit board and the display assembly beneath it.",
      "view": "opening"
    },
    {
      "i": 2,
      "start": 18.444,
      "end": 27.39,
      "audioDuration": 8.496,
      "title": "Inside the display",
      "text": "This exploded view separates the bezel and light pipes to explain their construction; the actual bezel is secured by fasteners from below.",
      "view": "exploded"
    },
    {
      "i": 3,
      "start": 27.39,
      "end": 36.288,
      "audioDuration": 8.448,
      "title": "From LED to visible dot",
      "text": "Each light pipe carries light from its board mounted LED to a dot on the face, with ten speed positions and a separate status position.",
      "view": "pipes"
    },
    {
      "i": 4,
      "start": 36.288,
      "end": 46.169999999999995,
      "audioDuration": 9.432,
      "title": "A display with room to grow",
      "text": "The LEDs are RGB devices, driven by a dedicated thirty six channel controller, so the hardware supports more than a single indicator color.",
      "view": "leds"
    },
    {
      "i": 5,
      "start": 46.169999999999995,
      "end": 55.379999999999995,
      "audioDuration": 8.76,
      "title": "The control and network chips",
      "text": "An ESP thirty two S three runs the control firmware, while a W five thousand five hundred provides the wired Ethernet connection.",
      "view": "chips"
    },
    {
      "i": 6,
      "start": 55.379999999999995,
      "end": 64.062,
      "audioDuration": 8.232,
      "title": "Commands and feedback",
      "text": "Each fan has its own speed command and RPM feedback, allowing the firmware to compare what it requests with what the fan actually does.",
      "view": "board"
    },
    {
      "i": 7,
      "start": 64.062,
      "end": 73.488,
      "audioDuration": 8.976,
      "title": "Designed for the harness",
      "text": "Labeled M T A one hundred headers support custom cable lengths, with connector positions coordinated with the puck and its wire entry openings.",
      "view": "connectors"
    },
    {
      "i": 8,
      "start": 73.488,
      "end": 83.37,
      "audioDuration": 9.432,
      "title": "Power and service",
      "text": "Twelve volts powers the fans, while U S B C provides programming and service power for the electronics; U S B does not power the fans.",
      "view": "power"
    },
    {
      "i": 9,
      "start": 83.37,
      "end": 92.988,
      "audioDuration": 9.168,
      "title": "Local control, connected monitoring",
      "text": "The firmware prioritizes Ethernet with Wi-Fi fallback, bringing local temperature based control and network monitoring together in the same device.",
      "view": "board"
    },
    {
      "i": 10,
      "start": 92.988,
      "end": 101.838,
      "audioDuration": 8.4,
      "title": "An honest development snapshot",
      "text": "This is a routed development design: physical testing is still ahead, and improved air temperature sensing is under evaluation.",
      "view": "thermal"
    },
    {
      "i": 11,
      "start": 101.838,
      "end": 108.672,
      "audioDuration": 6.384,
      "title": "Explore every layer",
      "text": "Explore the assembly, inspect the components, and follow the design from the circuit board to the finished puck.",
      "view": "closing"
    }
  ]
}