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29 lines
591 B
29 lines
591 B
const unsigned int BUTTON_PIN = 7;
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const unsigned int LED_PIN = 13;
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int oldButtonState = LOW;
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int ledState = LOW;
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void setup() {
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pinMode(LED_PIN, OUTPUT);
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pinMode(BUTTON_PIN, INPUT);
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}
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void loop() {
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const int CURRENT_BUTTON_STATE = digitalRead(BUTTON_PIN);
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if (CURRENT_BUTTON_STATE != oldButtonState &&
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CURRENT_BUTTON_STATE == HIGH) {
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if (ledState == LOW) {
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ledState = HIGH;
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} else {
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ledState = LOW;
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}
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digitalWrite(LED_PIN, ledState);
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delay(50);
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}
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oldButtonState = CURRENT_BUTTON_STATE;
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}
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