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Show HN: File-server activity gauge with LEDs & Raspberry Pi

• castratikron 10y ago
  Linux on the RPi probably supports blinken lights, too, through the LEDs interface. One of the triggers for a LED is a "heartbeat", which reflects the average load of the system; the higher the load, the faster the light blinketh. https://www.kernel.org/doc/Documentation/devicetree/bindings/leds/common.txt https://www.kernel.org/doc/Documentation/devicetree/bindings...
  • alexellisuk 10y ago
    Are you suggesting a Kernel module for the Blinkt??
    • castratikron 10y ago
      No, I'm saying that similar functionality has already been implemented. Try `echo "heartbeat" > /sys/class/leds/led0/trigger`
      • deutronium 10y ago
        Heh cheers, I just found /sys/class/leds/dell::kbd_backlight/brightness :)
      • alexellisuk 10y ago
        I'm not sure how that would work with the larger Blinkt RGB display?
  • deleted 10y ago
    [deleted]
• nopit 10y ago
  Rpi's are "cloud" storage now?
  • alexellisuk 10y ago
    So the Raspberry Pi is not running Minio (it can, but it isn't) - Minio running wherever - in the cloud if you like is emitting webhooks and the Pi is feeding off that to know what color to go.