Arduino falling edge

int button = 2;
int flag;
int readbutton;
void setup(){}
void loop(){
  readbutton = digitalRead(button);
  if(readbutton>flag){
  //your code here
  flag=readbutton;
}
if(readbutton==0){
flag=0;
}

Similar codes

3 votes342 views1 answer
Vectors in c++
C++
5 votes348 views6 answers
Do while loop c++
C++
2 votes342 views1 answer
C++ read console input
C++
1 vote408 views1 answer
Qt qstring to double
C++
1 vote375 views3 answers
For vector c++
C++
1 vote355 views1 answer
How to specify how many decimal to print out with std::cout
C++
0 vote390 views1 answer
C++ get pointer from unique_ptr
C++
1 vote351 views1 answer
Can you chnage the address of a pointer
C++
0 vote345 views1 answer
C++ drop last element of list
C++
0 vote358 views1 answer
How to install boost c++ on windows
C++