Adafruit USB Isolator - 100mA Isolated Low/Full Speed USB : ID 2107 : $34.95 : Adafruit Industries, Unique & fun DIY electronics and kits
USB High / Full / Low Speed Isolators with Built-in Heavy-Duty Power Transfer - no external power supply needed | Virtins Technology
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Amazon.com: USB Hub, Aiibe 6 Ports Super High Speed USB 3.0 Hub Splitter + 24W Power Adapter + USB 3.0 Cable, Black Smart Fast Charger Powered USB Hub for Laptop, Mac, PC,
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