String concatenation for Serial.print - Arduino Forum
Dec 12, 2017 · To efficiently print out mixed data, I convert all data items into one concatenated string and send the string to the serial port. This works nicely, except that I can not control the output format for an individual item as I could do in single item Serial.print(value, HEX).
String Addition Operator - Arduino Docs
6 days ago · You can add Strings together in a variety of ways. This is called concatenation and it results in the original String being longer by the length of the String or character array with which you concatenate it.
Concating String and Integer - Programming - Arduino Forum
May 16, 2017 · One can add the value of a function to a String, as long as the String has been initialized beforehand. One should concatenate Strings on a line before using Serial.print (). See 08. Strings for more information. No, "p" is a string literal. You could look at …
serial - How do I print multiple variables in a string? - Arduino …
Feb 13, 2014 · You can use the String object for output. These objects allow concatenation and support automatic typecasting. Serial.begin(9600); String label = "Var"; const byte nValues = 3; int var[nValues] = {36, 72, 49}; for (int i = 0; i < nValues; i++) { String stuff = label + i + ": "; Serial.println(stuff + var[i]); }
String concatenation and printing - Libraries - Arduino Forum
May 22, 2015 · The strings are defined in the struct as char string[x], and given string values. To print out, I concatenate several strings into one longer string, and print it out via serial print command. So far, so good.
String Appending Operators - Arduino Docs
6 days ago · Use the += operator and the concat() method to append things to Strings. Last revision 04/23/2025 Just as you can concatenate Strings with other data objects using the StringAdditionOperator , you can also use the
How to Concatenate Strings in Arduino - Delft Stack
Feb 12, 2024 · To concatenate strings using c_str() and the append operator, you first convert the String objects to C-style strings using c_str(), then utilize the append operator to concatenate them. The basic syntax is as follows:
How do I concatenate strings in arduino? - Stack Overflow
Jun 3, 2018 · If you really want them put together into one string then you will have to show where those strings are coming from. If they are String class objects you can just use + to put them together. If they are proper c-style strings then you will need to use strcat.
arduino uno - Can I use string and int in Serial.println together ...
Oct 8, 2016 · sprintf() can be used to generate a formatted string, and then Serial.println() to send the string char buf[32]; sprintf(buf, "#S|SKAITYMAS|[%d]#", LINENR); Serial.println(buf); or with String class as explained here:
Concatenate integers as string - Arduino Stack Exchange
How can i concatenate integers as a single string? out1 = digitalRead(r1); out2 = digitalRead(r2); out3 = digitalRead(r3); I tried like so, between others, with no luck. For example the expected result when all outputs are HIGH should be 111, while when only the …