Door Opening GSM alarm Wireless home security system using Arduino

(Last Updated On: June 29, 2020) Description: Wireless Home Security System using Arduino- In this tutorial, you will learn how to make Door Opening GSM alarm Wireless home security system using Arduino Uno, a Buzzer, GSM SIM900A module, and a Reed switch. In this project a Reed switch is installed with the door, each time … Continue reading Door Opening GSM alarm Wireless home security system using Arduino