Ammeter And Voltmeter Case for USB devices
Description
I Designed This Box/Case To Insert An Ammeter And Voltmeter To Keep Control Of Battery'S Charge And Devices' Current Absorption. The Holes On The Upper Panel Are For Standard Panel-Instruments Like This Http://Www.Amazon.It/Colemeter-Pannello-Voltmetro-Amperometro-Misuratore/Dp/B00Hh2Xalk The Square Hole Fits A Generic Usb Port And The Circular Hole Is Designed For A Standard Usb Cable.
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