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Raspberry Pi Model B 512MB RAM : ID 998 : $39.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Amazon.com: DIGISHUO Raspberry Pi 4B Model B 2/4/8GB RAM DIY Kit Case Fan SD Card Micro-SD HDMI (8G Module 8 in 1 Kit) : Electronics
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Original Raspberry Pi 4 Model B 8 4 2 1 GB RAM + Case + Fan + Heat Sinks + Power Adapter Optional 32 64 128 GB TF Card for RPI 4|Demo Board| - AliExpress
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