how to store values in a list or array - Arduino Forum
Aug 17, 2019 · I have a sensor reading values periodically, and I want to store these values in an array so that I can perform logic on the list before I do anything with it. For example: My code is reading the sensor value in a while loop, but I only want to record values higher than 50, and only print all the values recorded if at least one of them was higher than 150. This would be …
How to access an element in a List of Lists - Arduino Forum
Feb 12, 2020 · Do you recommend I use C language's malloc() and free() instead ? if you have a large memory resource such as on a PC. otherwise (e.g. arduino) i think it's better to preallocate and limit how many elements can be used to guarantee memory dynamically allocated in …
Storing strings in a list and then display all the ... - Arduino Forum
Feb 12, 2017 · And then with a push of a button, the list will be displayed like this ITEM 100 ITEM 101. Additionally, I want to be able to move my cursor through the list by pressing up/down button, remove an item by another button. But that's too much to demand right now. I would love to start by saving the strings into a list.
Array of Strings - Programming Questions - Arduino Forum
Sep 16, 2016 · This is appropriate for an Arduino because the String class can cause memory corruption in the small memory of the Arduino. However, you cannot add elements to an array of cstrings when the program is running. You must define the space for all the elements you will need when you write the program.
Appending a list on Arduino?? - Programming Questions
Mar 9, 2017 · What is the most simple way to add or append an integer to the end of a list. In python this is VERY simple listtname.append(2) will get the job done. I can even find ways to append strings but not integers. how can this be the case. Also how do you add an integer to the end of an array? such that if you had a list "List1 = [1,2,3,4] and wanted to add an additional …
How to create an array of objects [SOLVED] - Arduino Forum
Aug 8, 2017 · Click MYKeypad[]; This line creates an array of 0 objects. That's not very useful. But it does cause the class constructor to be called.
How do you check the Length of an Array? - Arduino Forum
Feb 4, 2012 · no resize will possible, if arduino support this feature then it is not a c,C++ standard. sizeof operator always returns no's in byte. char *ptr="hello"; char array[]="hello"; array name is a address, where as ptr points to a address, and ptr can also point to other location i.e. ptr= array; but array name is a address but you can't change it.
How do I use enum? - Programming Questions - Arduino Forum
Aug 30, 2011 · Using Arduino. Programming Questions. system August 30, 2011, 7:14pm 1. HI Paul. I started a new topic for ...
Loop over a specific array of numbers - Arduino Forum
Sep 25, 2021 · define a function to concatenate/combine two instances of range_cat_, resulting in a bigger list of arrays to be iterated over; define a function range_cat that takes a list of arrays and returns a range_cat_ instance that iterates over these arrays in sequence
Iterate through a list of class objects? - Arduino Forum
Sep 18, 2020 · So I have a set of class objects and I want to run member functions on all of the class objects. I thought I would set up a for loop to do this. I know how to iterate through an enum list, but that does not work for this. What is the proper way to do this (instead of calling the member function over and over on separate lines? Here is an example, where I want to run …