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dc motor - How to detect an electric current in a secondary circuit (12v)? - Raspberry Pi Stack Exchange
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Contrôle d'un dispositif basse tension via Raspberry Pi et un relais - Framboise 314, le Raspberry Pi à la sauce française....
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Waveshare 4ch Current/Voltage/Power Monitor Hat, with Standard 40PIN GPIO Extension Header, Compatible with Raspberry Pi Series Boards : Amazon.fr: Informatique
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Adding current limiting resistor - push button with pull down resistor configuration - General Electronics - Arduino Forum
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