I had used an Arduino Leonardo and a GSM sim 900 shield (thanks to the shield, the wiring wasnt a huge brainer :)) , saved a lot of ... ensure that you have a compatible GSM/GPRS module and the ...

Arduino unveils GSM Shield that includes SIM card and global data tariff. New GSM Shield from Arduino includes global data tariff. Charles Gantt. TweakTown. Published Mar 11, 2013 11:30 AM CDT ...

Fig. 2: PCB pattern of the GSM Based Messaging Using Arduino Fig. 3: Component layout of the PCB. Download PCB and component layout PDFs: click here. Download the program in Arduino. Connect CON2 and ...

Click to Enlarge. The board can be programmed in the Arduino IDE by selecting Arduino Mega board. SIM808 modem is controlled with AT commands so that might not be the most programmer friendly board ...

In this GSM based home automation project we are building a home automation system, where one can control the home appliances, using the simple GSM based cell phone, just by sending SMS through his ...

An Arduino is equipped with a piezo sensor to detect impact, and a GSM shield takes care of the texting. It’s an interesting concept, similar to requiring police officers to wear body cameras.

arduino gsm security alarm. ... // RX and TX pins to communicate with GSM module #define msg_key 7 #define call_key 8 #define end_key 9 String number ="0000000000"; // Add the 10-Digit Mobile Number ...