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Zero4U - 4 Port USB Hub for Raspberry Pi Zero v1.3 : ID 3298 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Amazon.com: 4-Port Raspberry Pi USB HUB HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero/Zero W, 4 USB Ports Compatible with USB2.0/1.1 Onboard USB to UART Onboard Multi Indicators : Electronics
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Amazon.com: Mini Dual Gigabit Ethernet Base Board Compatible with Raspberry Pi Compute Module 4 CM4/4 Lite, Dual Gigabit Ethernet Ports,1xUSB 2.0 Port,1x40PIN GPIO Header,5V, Type-C Interface : Electronics
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