Jan 14, 2020 · Hello experts, I need some clarifications on how to use the custom made void functions. This is a simple CW beacon, for the non "ham radio speaking" folks it's a circuit that is keying a …

Mar 19, 2018 · I recently started with Arduino-IDE because i decided to make musical floopy drives as my final project in school. It is kinda complicated but basicly the thing i need to do now is have to …

Aug 1, 2025 · The keyword void indicates what the function returns—in this case, nothing. If a function is defined with void, it does not return a value to the calling code. You can define as many additional …

Mar 17, 2016 · First a quick thank you to all for helping me devote many happy hours to aggravating my myopia! Presently, I only write sketches with void setup and void loop but i see many sketches with …

Apr 7, 2023 · I have split the discussion of the " error: control reaches end of non-void function [-Werror=return-type] " error to a separate topic since it is unrelated to the esptool problems discussed …

Dec 28, 2013 · Thanks in advance! Void is not a function. It's a keyword telling the compiler that a function for example does not return a value when it's done. It means exactly what it does in english. …

Dec 30, 2022 · How can I call a void function outside setup and loop? Why do you want to do this? You will get a similar effect by calling your function at the top of setup ().

Jan 18, 2017 · In order to make a variable from another function available inside the void loop () function you may do the following: I am using the data type byte to make tweet as a byte variable.

May 6, 2017 · I was wondering if you could use declared void functions in another void function, like the one below. ArduinoFAQ.ino (343 Bytes)

May 5, 2018 · Arduino doesn't give you any practical way to 'exit', ‘return’, or get out of loop (), so your program effectively runs forever unless you specifically derail it. Now, beyond setup () and loop (), …