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Would this design be sufficient to safely allow an Arduino to measure the voltage on a car's 12V rail? : r/AskElectronics
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50 Pcs Polouta Bzx55c5v1 Bzx55c6v8 Zener Diode 5.1v 6.8v Glass Tube Arduino Nano Integrated Circuits Electronic Free Shipping - Diodes - AliExpress
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