• about Test & Measurement
  • Published in issue 3/2012 on page 34
About the article
Hard Disk Activity Monitor

Hard Disk Activity Monitor

A 10-LED indicator to show how hard it’s working

Almost every PC case is fitted with an LED on the front panel which flickers whenever the hard disk(s) is accessed. A single flickering light is better than nothing at all but a 10-LED linear scale showing hard disk loading as a percentage would be really handy!
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Extra info, Update
• A display using 10 LEDs indicates hard drive activity
• Displays hard drive activity in 10 % steps
• Crash proof operation (independent of PC software)
• Neat compact module fits easily inside a PC case