Keyestudio KS0436 Kit Manual page 82

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int redled=8;
int yellowled=7; // set yellow LED as "output"
int greenled=6;
int redpin=5;
int yellowpin=4; // initialize pin for yellow button
int greenpin=3;
int restpin=2;
int red;
int yellow;
int green;
void setup()
{
pinMode(redled,OUTPUT);
pinMode(yellowled,OUTPUT);
pinMode(greenled,OUTPUT);
pinMode(redpin,INPUT);
pinMode(yellowpin,INPUT);
pinMode(greenpin,INPUT);
}
void loop() // repeatedly read pins for buttons
{
// set red LED as "output"
// set green LED as "output"
// initialize pin for red button
// initialize pin for green button
// initialize pin for reset button
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