Serial.printIn error in Love Meter arduino uno starter kit

Projects Programming
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when verifying the code, there is an error in line 21. Does anyone know how I can fix this?

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First please read the forum instructions and then post properly.

Did you try the compiler suggestion "...did you mean..."? The error messages are there to help you understand the problem. Not to stop you in your tracks.

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Is there a spelling error in line 21 ? :thinking:

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There is, and the compiler suggested a fix.

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Serial.println() versus Serial.printin()

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spelling...
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