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2015-08-09, 12:07 #1
- Join Date
- Feb 2008
- A cultural area in SW England
- Thanked 195 Times in 175 Posts
How to measure the current drawn by a USB device - revisited!
I first asked this question in early 2010*, and I have only just found that there are now devices which will enable the simple measurement of the port voltage and the current drawn by any USB device!
Here are just a couple, for interest (if any)...
(Other fine USB Power Meters and sellers thereof are available...)
* I can't reply to my original post since the thread is more than 100 days old!BATcher
Time prevents everything happening all at once...
2015-08-09, 15:23 #2
Ok my curiosity is peeked, why would you want to measure that. I am guessing that you think you might do that often as a 'bodge' (Aussie lingo I guess) was unaceptable.
Just because you don't know where you are going doesn't mean any road will get you there.
2015-08-15, 17:17 #3
- Join Date
- Mar 2010
- Manitoba, Canada
- Thanked 0 Times in 0 Posts
Silicon Chip Magazine (Australia) published two kits which deal with USB ports. The one which would fit your need is a Voltage/Current/Power monitor Cat#KC-5516 in The JAYCAR Catalogue ( http://www.jaycar.com.au/catalogue ) on page 62. Although this is a kit, it is very simple to assemble. I have had this one for the past 3 years - works great!