-
Notifications
You must be signed in to change notification settings - Fork 0
/
PIRSensorGhost.ino
46 lines (37 loc) · 1.34 KB
/
PIRSensorGhost.ino
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
//How it's wired:
//2N3904 (https://www.sparkfun.com/datasheets/Components/2N3904.pdf) transistor as the switch
//47k-ohm resistor to the base
//LED strip wired directly to ghostLED digital out
//Using 9V, 1A power supply
//HC-SR501 PIR sensor (half covered in electrical tape, and nobs adjusted)
//https://www.mpja.com/download/31227sc.pdf
int sensorpin = 0; // analog pin used to connect the sharp sensor
float dist = 0.0; // variable to store the distance from sensor(initially zero)
int count = 0; // count of times the IR path reported "broken"
// Pin 7 has a transistor connected to it
int ghostTrans = 7;
// Pin 8 has an LED connected to it
int ghostLED = 8;
void setup()
{
Serial.begin(9600); // starts the serial monitor
pinMode(ghostTrans, OUTPUT);
pinMode(ghostLED, OUTPUT);
delay(5000);
}
void loop()
{
dist = analogRead(sensorpin); // reads the value of the sharp sensor
//dist = 10.0;
Serial.println(dist); // prints the value of the sensor to the serial monitor
if (dist > 600.0)
{
Serial.println("BOO");
digitalWrite(ghostTrans, HIGH);
digitalWrite(ghostLED, HIGH);
delay(15000);
digitalWrite(ghostLED, LOW);
digitalWrite(ghostTrans, LOW);
}
delay(1000); // wait for this much time before printing next value
}