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Connecting a 12V relay to Arduino

Step 6The schematic

The schematic

Finally here is the schematic:

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1 comment

Feb 23, 2011. 8:20 PMgabriel.hahmann says:

I'm using a 5v relay and It is not working. By mistake I bought a 2N2222A, wich I saw on the datasheet had a Vebo of 6V, could you tell me if these is the problem? Congratulations for the great howto!

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