Difference between data type int and long on Arduino
Feb 15, 2016 · 4 I was learning to program for a void obstacle robot but when I looked at the code I saw two data types long and int. Int are datatypes that holds -2,147,483,648 to …
int VS uint8_t VS uint16_t - Arduino Stack Exchange
This question is quite clear. What are the differences between an int, an uint8_t, and an uint16_t. I know it has to do with bytes and memory but can someone clarify me a bit? Things I want to …
Is it better to use #define or const int for constants?
Mar 1, 2014 · 32 Arduino is an odd hybrid, where some C++ functionality is used in the embedded world—traditionally a C environment. Indeed, a lot of Arduino code is very C like though. C has …
When is it necessary to use "float" instead of "int"?
Feb 18, 2017 · In Arduino world I would disagree. The answer is: Take long. int goest to +-32.700 so is probably to small for cents and for sure to small for millis. Long still has a huge cpu and …
inttypes vs Arduino defined integral types
Jul 22, 2017 · "Arduino": char, int, long; byte, word, unsigned long inttypes: int8_t, int16_t, int32_t; uint8_t, uint16_t, uint32_t A better classification would be: C and C++: char, int, long, unsigned …
c preprocessor - Why use an int variable for a pin when const int, …
Aug 14, 2015 · Many times I see an int being used for a pin definition, int led = 13; when the use of a const int const int led = 13; or enum, or #define #define LED 13 makes much more sense. …
Convert float to int error - Arduino Stack Exchange
Sep 30, 2021 · I am trying to convert 1.06 to 106 by multiplying by 100 but the answer comes 105, I do not know why. Variable ver can be any decimal in this format x.xx float ver = 1.06; int vers …
arduino mega - Convert int to char [] - Arduino Stack Exchange
17 I'm looking to convert an int value to a char array. currently I've found the following will return [number] int num = [number] str = String(num); str.toCharArray(cstr,16); Serial.println(cstr); …
Print string and integer LCD - Arduino Stack Exchange
In order to print something that contains both strings and integers, the most straightforward way is to convert each piece to an Arduino string and then concatenate them, using the + operator …
programming - Convert Int to HEX, HEX to string and to byte?
Aug 16, 2022 · You are trying to work with four data types (int, hex, string and byte) when in reality there are only two types: String and binary. Everything else is just a representation we …