custom void functions, how to use them? - Arduino Forum
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 …
How to create a function esp32 [SOLVED] - Arduino Forum
Sep 7, 2022 · Can you give me some code with it or a video of how to do functions please. Code. #include <Wire.h> #include <Adafruit_GFX.h> #include <Adafruit_SSD1306.h> #include …
Writing a function - Frequently-Asked Questions - Arduino Forum
Jan 18, 2007 · I am new to Arduino but pretty keen to learn. However already I have come into some problems. How do you write a Function? I looked at the Arduino Language Reference …
How do I set a global variable inside a function - Arduino Forum
Jun 30, 2016 · Ok, so i'm trying to write my own code for a motion alarm using a ultrasonic sensor and a peizo, and essentially, i'm setting it up so that when the sensor picks up a distance less …
IF with AND and OR fuctions - Syntax & Programs - Arduino Forum
Dec 2, 2010 · How can I solve this with the if function in the Arduino? Thanks. 1 Like. robtillaart December 2, 2010, 4 ...
how to properly create a "returning" non-void function
Dec 18, 2018 · If you get the syntax right to call the function instead of using the address of the function as data: void setup() {pinMode(2, OUTPUT);} void loop() {digitalWrite(2, setup());} You …
Using millis () for timing. A beginners guide - Arduino Forum
Oct 2, 2017 · Part 1 It is not usually long before new Arduino users discover that although the delay() function is easy to use it has side effects, the main one of which is that its stops all …
Declaration of Functions - Programming - Arduino Forum
Dec 16, 2020 · There is a function declaration and function definition in c or c++. Usually you declare a function at the beginning of your code, for easy reading before setup() with the …
How to write a function that returns an array? - Arduino Forum
May 15, 2012 · Unfortunately, in my opinion, warnings are disable in the Arduino compile and link process, or the compiler would have told you that you have issues with that code. Your …
Nested functions / sunfunctions -- are they allowed? - Arduino …
Dec 3, 2012 · Hi all I'm new in the arduino universe and came up with the following question: are the nested functions (subfunctions) allowed in the arduino IDE? If yes, how to do it properly? I …