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2015-08-09, 12:07 #1
- Join Date
- Feb 2008
- A cultural area in SW England
- Thanked 196 Times in 176 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
"The trouble with quotes on the internet is that you can never know if they are genuine."
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!