Smart Security System using GSM SIM900A with Arduino Uno || Make a call with GSM SIM900A

In this tutorial we will discuss how to interface the GSM SIM900A with Arduino Uno and create a Smart security system using IR sensor. When someone will pass in front of the IR sensor the GSM SIM900A will call the the number enter in the code.
Download the code and circuit diagram from the link below:
github.com/theinfoflux/Smart-...
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[@PorterScott-zk7vm]

change the ir sensor to pir sensor

[@PorterScott-zk7vm]

can you create a code of home security system like your video but you use the pir sensor?

[@theinfoflux]

same code will be used for pir sensor

[@yagniksutharclass6arollno361]

Which sim card you used in this sim 900a 2g or 4g

[@theinfoflux]

4g

[@andrewdeleon8212]

Why my sim900 module is not blinking

[@theinfoflux]

use seperate power supply for the sim900 module