GSM Alarm

1// Sending an SMS every time when the garage door was opened.
2// Use  reed switch to monitor door state (open/closed).
3#include <GSM.h>
4#define  REED_SWITCH_PIN 6
5#define PINNUMBER "" // SIM card PIN
6#define RECIPIENT_NUMBER  "+380987654321" // Replace with your telephone number.
7
8GSM gsmAccess; 
9GSM_SMS  sms;
10bool notConnected = true;
11bool opened = false;
12
13void setup() {
14  pinMode(REED_SWITCH_PIN, INPUT);
15
16  // Start GSM shield.
17  // If your  SIM has PIN, pass it as a parameter of begin() in quote.
18  while(notConnected)  {
19    if (gsmAccess.begin(PINNUMBER) == GSM_READY) {
20      notConnected =  false;
21    } else {
22      delay(1000);
23    }
24  }
25}
26
27void loop()  {
28  // There are two types of reed switches: NO (normally open) and NC (normally  closed).
29  // Normal state means the state when the switch is not under the influence  of a magnet.
30  // Closed - conducts current. Open - does not conduct current.
31  // So for NO switch HIGH means the door is closed (switch is near the magnet).
32  // For NC switch HIGH means the door is opened (switch is far from the magnet).
33  // You can use both types of reed switches, but update the check accordingly.
34  // NO reed switch consumes more energy in this circuit,
35  // but when someone  maliciously cuts the wires, an SMS will be sent.
36
37  // This check is for NO  (normally open) reed switch.
38  if (digitalRead(REED_SWITCH_PIN) == HIGH) { //  the door is closed
39    opened = false;
40  } else if (!opened) { // the door  was just opened (the door is open and previously it was closed)
41    opened =  true;
42    // send SMS
43    sms.beginSMS(RECIPIENT_NUMBER);
44    sms.print("Garage  door was open.");
45    sms.endSMS();
46    // 15 minutes break
47    delay(900000);
48  }
49}
50

1// Sending an SMS every time when the garage door was opened.
2// Use
3  reed switch to monitor door state (open/closed).
4#include <GSM.h>
5#define
6  REED_SWITCH_PIN 6
7#define PINNUMBER "" // SIM card PIN
8#define RECIPIENT_NUMBER
9  "+380987654321" // Replace with your telephone number.
10
11GSM gsmAccess; 
12GSM_SMS
13  sms;
14bool notConnected = true;
15bool opened = false;
16
17void setup() {
18
19  pinMode(REED_SWITCH_PIN, INPUT);
20
21  // Start GSM shield.
22  // If your
23  SIM has PIN, pass it as a parameter of begin() in quote.
24  while(notConnected)
25  {
26    if (gsmAccess.begin(PINNUMBER) == GSM_READY) {
27      notConnected =
28  false;
29    } else {
30      delay(1000);
31    }
32  }
33}
34
35void loop()
36  {
37  // There are two types of reed switches: NO (normally open) and NC (normally
38  closed).
39  // Normal state means the state when the switch is not under the influence
40  of a magnet.
41  // Closed - conducts current. Open - does not conduct current.
42
43  // So for NO switch HIGH means the door is closed (switch is near the magnet).
44
45  // For NC switch HIGH means the door is opened (switch is far from the magnet).
46
47  // You can use both types of reed switches, but update the check accordingly.
48
49  // NO reed switch consumes more energy in this circuit,
50  // but when someone
51  maliciously cuts the wires, an SMS will be sent.
52
53  // This check is for NO
54  (normally open) reed switch.
55  if (digitalRead(REED_SWITCH_PIN) == HIGH) { //
56  the door is closed
57    opened = false;
58  } else if (!opened) { // the door
59  was just opened (the door is open and previously it was closed)
60    opened =
61  true;
62    // send SMS
63    sms.beginSMS(RECIPIENT_NUMBER);
64    sms.print("Garage
65  door was open.");
66    sms.endSMS();
67    // 15 minutes break
68    delay(900000);
69
70  }
71}
72