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Tag: Arduino IoT

Environmental pollution has become a major problem in today’s world. Its increase is affecting our health badly, especially in urban and semi-urban areas where we are exposed to harmful gases emitted from automobiles and factories. In such a  situation,...
In this project, we are going to make a smart OTP-based locking system as you can see in (Fig. 1). This smart lock can generate a new password every time you unlock it, which further enhances your security level....