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DFRobot on X: "A cluster of 4 new Raspberry Pi zero 2W. There's 5GB of RAM: 512 per node and 3GB on the Raspberry Pi 4 (re-soldered earlier, the 8GB chip went
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Radxa Zero 2G Ram 8G Emmc Quad-core Mini Development Board, A Powerful Alternative to Raspberry Pi Zero W - AliExpress
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