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Amazon.com: Raspberry Pi 4, Pi 4 ARM-Cortex-A72 4X 1,50GHz, Raspberry Pi 4GB Board, WLAN-ac, Bluetooth 5, 4X USB, 2X Micro-HDMI, Raspberry Pi 4 Modell B 4GB RAM : Electronics
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Amazon.com: Raspberry Pi 4 Computer Model B 8GB Single Board Computer Suitable for Building Mini PC/Smart Robot/Game Console/Workstation/Media Center/Etc. : Electronics
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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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