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Raspberry Pi 4 Model B; 4 GB, ARM-Cortex-A72 4 x, 1.50 GHz, 4 GB RAM, WLAN-ac, Bluetooth 5, LAN, 4 x USB, 2 x Micro-HDMI: Amazon.de: Computer & Accessories
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Amazon.com: waveshare Power Over Ethernet (PoE) HAT for Raspberry Pi 4B/3B+, 802.3af/at PoE Network Standard, 5V USB-A&12V Header Outputs, PoE HAT Onboard Cooling Fan and MP8676 Buck Chip, Isolated : Electronics
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Raspberry Pi UPS Netzteil Modul GPIO Pin 5V Netzteil Stabile Strom Ausgang Hut für Raspberry Pi 4B/3B +/3B (Keine Batterie) - AliExpress
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Raspberry Pi 4 Modell B Lithium-Batterie Expansion Board SW6106 5V Ausgang Zwei-weg Schnelle Lade Mobile Strom bank für Pi 4B/3B +/Null - AliExpress
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