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Hello Engineers. I hope you ‘re doing good. In the place like godowns, construction sites, telecom sites, small factories, Lawns, etc, high security is required and also present. But at some of those places, working hours are only during day time. So, during the night when security guards aren’t much active, we need to automate […]
Hello engineers, In this article I am going to share an LDR operated laser light security Alarm system. This circuit having LDR as the light-sensing component. This circuit discussed here has a relay that simply changes whenever the laser falling over LDR is interrupted and then Buzzer turns ON.So let’s get started with understanding in […]