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发表于
2019-8-31 11:29:54
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来自 辽宁
int buttonPin =2;
int ledPin = 9;
int buttonState = 0;
void setup()
{
pinMode(ledPin, OUTPUT);
pinMode(buttonPin,INPUT_PULLUP);
}
void loop()
{
buttonState =
digitalRead(buttonPin);
if (buttonState == LOW)
{
delay(80);
if(buttonState == LOW)
{
digitalWrite(ledPin, HIGH);
}
}else{
digitalWrite(ledPin, LOW);
}
} |
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