hi i am trying to make a call or send an sms using this combination of uno and sim900
well i am using a IComSat v1.0 sim900 and arduino 1.0 to program
http://iteadstudio.com/store/images/produce/Shield/IComSat/icomsat_DS1.2.pdfthts the datasheet...
but everytime i try to upload my program to the uno the sim900 stops responding. and then dsnt turn on.
//Serial Relay - Arduino will patch a
//serial link between the computer and the GPRS Shield
//at 19200 bps 8-N-1
//Computer is connected to Hardware UART
//GPRS Shield is connected to the Software UART
#include <SoftwareSerial.h>
SoftwareSerial mySerial(7, 8 );
void setup()
{
mySerial.begin(19200); // the GPRS baud rate
Serial.begin(19200); // the GPRS baud rate
}
void loop()
{
if (mySerial.available())
Serial.write(mySerial.read());
if (Serial.available())
mySerial.write(Serial.read());
}the program is to allow a connection and then let me use at commands to make calls or send sms but it seems to not work.
if there is a easier program please let me know
thx.
