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

0 vote324 views1 answer
C++ print 3d cube
C++
0 vote312 views1 answer
Unknown number of threads cpp
C++
0 vote324 views1 answer
QT form doesn't take changes
C++
3 votes327 views2 answers
Define and show the implementation of the functions of an arrayList.
C++
39 votes370 views6 answers
C++ print hello world
C++
1 vote315 views1 answer
C++ vector move element to front
C++
2 votes340 views2 answers
Cpp split string by space
C++
0 vote339 views1 answer
Find first of a grammar
C++
0 vote307 views3 answers
JAJA
C++
0 vote318 views1 answer
What algorithm does bitcoin use
C++