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Forums › Gadgets, robotics, home automation, electronics (including wearables) › Hardwire USB powered sensors?


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Topic # 185695 2-Dec-2015 08:47
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I've got a few USB devices (Aeon Multisensors) that I would like to hardwire into a power source so I don't have to rely on batteries. They are designed to be hardwired and have a USB cable to do so. 

Should I run power to the sensor, then use a transformer and connect up a USB plug?

Or is there something built to do this that i'm overlooking? 

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  Reply # 1439065 2-Dec-2015 08:49
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What i've considered doing, i have the same sensors, is running long usb cables back to a central point with a UPS and a usb powered hub plugged into that.  I found those sensors work great USB powered, not so great battery powered.  Well the 4in1 ones do, not sure about the newer ones.

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  Reply # 1439070 2-Dec-2015 08:57
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I have one of these and agree, they are much better on USB power - but remember if you to change from batteries to USB you have to exclude and re-include the sensor in your Z-Wave network, so it can reconfigure itself as a powered node. I just use an iPhone USB wall wart to power mine.

 
 
 
 




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  Reply # 1439093 2-Dec-2015 09:56
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Hmm, I don't think I could get a USB cable long enough to run them all back to one place. I could bodge up a cat6 cable perhaps. 

I had considered adapting USB charging keystones but they can be expensive depending on who they are from.

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  Reply # 1439100 2-Dec-2015 10:30
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Bunnings have cheap USB PowerPoint's.




Richard rich.ms

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  Reply # 1439111 2-Dec-2015 10:57
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richms: Bunnings have cheap USB PowerPoint's.


pbtech have them cheaper $2.754   including gst.  I just installed 8 in my house.

You can run 20m usb adaptive usb cables, so you should hopefully be able to get something.  

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