📖 What's this mod? It's dark outside, extremely dark... You can't see a lot in the darkness, you wish you had a torch, or a lantern to hold and see in the light... And this is now possible with this ...

Abstract: This research developed a low cost smart control system that enables virtual monitoring and control of a closed-loop system using a NodeMCU microcontroller linked to the cloud or internet ...

Abstract: This paper proposes the differential coding in visible light communication using image sensor. The transmitted frame is a result of comparing the current bitstream with previous bitstreams.