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[on:]

Can anyone plz post the code for sending an sms from the arduino uno r3 using a gsm shield....

[Reply #1 on:]

Can anyone plz post the code for sending an sms from the arduino uno r3 using a gsm shield....

It's really pretty simple. Serial.print() the AT commands specific to your GSM chip, and the magic happens.

[Reply #2 on:]

Actually the arduino uno r3 should take the data from the ultra soninc sensor, and provide this data from the sensor to the gsm module so that, it can send a msg to the user and this msg should imply this " intruder detected at a distance of Xcm(distance given by the ultrasonic sensor)

[Reply #3 on:]

If you re-read my previous post, you'll see that there was a hint there that anonymous hardware mentions are useless. Post a link to the hardware you are using if you want more than general comments.