Dear All

Any article or clear explantion on how to turn on /off a relay by using arduion UNO and GSM SIM808 Shield

BR

 

Dear All

Any article or clear explantion on how to turn on /off a relay by using arduion UNO and GSM SIM808 Shield

BR

Look at this link http://www.instructables.com/id/Control-the-relays-via-GPRS-SMS/

 

Is it 5 volt relay?

 

Is it 5 volt re

Yes , I want to send SMS by Mobile to tell GSM SIM808 to turn on the switch and turn it off

If you have any idea about the arduino code for that

Many thanks in advance

 

Look at this link http://www.instructables.com/id/Control-the-relays-via-GPRS-SMS/

It is simple idea just to send a SMS by mobile to the GSM to control a lamp ON/Off

 

It is simple idea just to send a SMS by mobile to the GSM to control a lamp ON/Off

It's not clear what you want to do. What kind of help do you want. Is your hardware ready for programming? If Yes then You can test your hardware by writing program

Do your best
Parth