ARDUINO STEM RBT PROJECT: SIM900A GSM AUTOMATIC SMS, NOTIFICATION AND CALLING SYSTEM WITH DURIAN UNO

SIM900A Modemisbuilt with Dual Band GSM/GPRS based SIM900A
modemfromSIMCOM.Itworks onfrequencies 900/ 1800 MHz.
SIM900A can search these two bands automatically. The frequency
bands can also be set by AT Commands. The baud rate is configurable
from 1200-115200 through AT command. The GSM/GPRSModemis
having internal TCP/IP stack to enable you to connect with internet via
GPRS. SIM900A is an ultra compact and reliable wireless module. This is
a complete GSM/GPRSmodule in a SMTtypeand designed with a very
powerful single-chip processor integrating AMR926EJ-S core, allowing
you to benefit from small dimensions and cost-effective solutions.
User Manual:
Arduino Code:
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