This is a simple cable that adapts from a USB port to a 5.5x2.1mm barrel connector, center positive. This cable allows the user to use a USB port on a comp
Wall Adapter Power Supply - 5VDC, 2A (Barrel Jack) - TOL-15312
USB to 5.5mm Barrel Jack Adapter Cable - Proto-PIC
Barrel Jack Adapter - USB to 5.5x2.1mm
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SparkFun Electronics, Between Series Adapter Cables
Wall Adapter Power Supply - 5VDC, 2A (Barrel Jack) - TOL-15312
SparkFun Electronics, Between Series Adapter Cables
USB Cable A to B - 6 Foot - CAB-00512 - SparkFun Electronics
Cables & Adapters — Page 3 — Cool Components