Arduino and Gsm based laser security system

(Last Updated On: July 17, 2019) Table of Contents Description:The components and tools used in this project can be purchased from Amazon, the components Purchase links are given below:SIM900A gsm Module:Circuit Diagram:Programming:Watch Video Tutorial:Other GSM Related Projects: Description: This Tutorial is based on the Laser Security system using Arduino and GSM sim900A module . This … Continue reading Arduino and Gsm based laser security system