UPSafePI - Raspberry PI 4B - 2GB RAM | Arduino based PLC Controller for Industrial Applications by Industrial Shields
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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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Raspberry Pi 4 Model B - 2 GB RAM : ID 4292 : $45.00 : Adafruit Industries, Unique & fun DIY electronics and kits
UPSafePI - Raspberry PI 4B - 2GB RAM | Arduino based PLC Controller for Industrial Applications by Industrial Shields
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Raspberry Pi Compute Module 4 - 8GB 2GB RAM, 32GB eMMC, 2.4/5.0GHz Wi-Fi & Bluetooth 5.0 - HiTechChain
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