¶ HC-SR501
#define OUT_PIN 2
uint8_t output_value = 0;
bool motion_detected = false;
void setup() {
Serial.begin(9600);
pinMode(OUT_PIN, INPUT);
delay(60000);
}
void loop() {
output_value = digitalRead(OUT_PIN);
if (output_value) {
Serial.println("Object detected!");
motion_detected = true;
delay(3000);
} else {
Serial.println("No object!");
}
if (motion_detected) {
Serial.println("Wait!");
delay(6000);
Serial.println("Ready...");
motion_detected = false;
}
}