Continue to Site

Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

GSM 900a with arduino mega 2560 problem

Status
Not open for further replies.

shakir635

Newbie level 1
Joined
Dec 12, 2015
Messages
1
Helped
0
Reputation
0
Reaction score
0
Trophy points
1
Activity points
13
Hi everybody.
I am working on my engineering FYP and got stuck at this point. I am going to connect SIMCOM SIM900A to arduino Mega 2560. When i run the code the serial moniter shows
No response
No response
No response.
I am adding the photos of the connections.
Also I am following this video for help.
https://www.youtube.com/watch?v=wex9UCnPyYw

Note: The code I am using is as follows.


Code C - [expand]
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
47
48
49
50
51
52
53
54
55
56
57
#include "SIM900.h"
#include <SoftwareSerial.h>
#include "sms.h"
SMSGSM sms;
 
int numdata;
boolean started=false;
char smsbuffer[160];
char n[20];
 
char sms_position;
 
char phone_number[20];
char sms_text[100];
int i;
 
void setup()
{
    Serial.begin(9600);
    
    if (gsm.begin(9600)) 
    {
        Serial.println("\nstatus=READY");
        started=true;
    } 
    else 
        Serial.println("\nstatus=IDLE");
 
    if(started) 
    {
        if (sms.SendSMS("+300000000000", "Arduino SMS"))
        {
          Serial.println("\nSMS sent OK.");
        }
        else
        {
          Serial.println("\nError sending SMS.");
        }      
    }
};
 
void loop()
{
    if(started) 
    {
        sms_position=sms.IsSMSPresent(SMS_UNREAD);
        if (sms_position) 
        {
            Serial.print("SMS postion:");
            Serial.println(sms_position,DEC);
            sms.GetSMS(sms_position, phone_number, sms_text, 100);
            Serial.println(phone_number);
            Serial.println(sms_text);
        }      
        delay(2000);
    }
};



 
Last edited by a moderator:

Status
Not open for further replies.

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top