PCB a Week 17: USB Spypow


Mats continues his challenge of designing one PCB every week.  In week 17  he came up with USB Spypow, it displays the actual charge rates of a USB device:

Yesterday I saw the “The Practical Meter” on Kickstarter – a small unit that is placed inline with the USB when charging your phone and shows the actual charging power (in watts) on a row of LEDs.

I wanted to have a go at it as well so I did the following last evening.

3 comments on this post.
  1. Mats Engstrom (@matseng):

    The power of DP! – I already got good suggestions for some serious improvements from Bertho.

  2. Lee:

    That’s brilliant!
    Looks great, too.

  3. johnson:

    that’s really wonderful..how can i get to design one(pcb)

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