Expand the available digital I/O pins on your Raspberry Pi projects with the IO Pi Plus 32 channel MCP23017 expansion board for the Raspberry Pi
IO Pi Plus - 32-Channel Expansion Board for Raspberry Pi
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32 Channel Digital Expansion HAT for Raspberry Pi - RobotShop
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Module de carte d'extension 32 GPIO, entrée et sortie 8 bits, Module adaptateur d'extension IO pour Raspberry Pi 2.4V-5V - AliExpress
IO Pi Plus - 32-Channel Expansion Board for Raspberry Pi
32 Channel Digital Expansion HAT for Raspberry Pi - RobotShop
