![ubuntu 18.04 -->> error: 'floor' was not declared in this scope / error: 'sqrt' was not declared in this scope · Issue #3 · CogChameleon/ChromaTag · GitHub ubuntu 18.04 -->> error: 'floor' was not declared in this scope / error: 'sqrt' was not declared in this scope · Issue #3 · CogChameleon/ChromaTag · GitHub](https://user-images.githubusercontent.com/22295169/57237570-cbfe8000-7027-11e9-8cb5-51085d353d35.png)
ubuntu 18.04 -->> error: 'floor' was not declared in this scope / error: 'sqrt' was not declared in this scope · Issue #3 · CogChameleon/ChromaTag · GitHub
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Trying to upload to arduino uno and says lcd was not declared in this scope. Is there a fix atm? : r/arduino
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How do I fix the error that says 'ledpin' was not declared in this scope? - Project Guidance - Arduino Forum
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