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Light sensor Dark sensor. Light and dark detection using an LDR. For this project, let’s stick to the LDR sensor module so we can select the light or dark detection by placing jumpers. We’ll be using ...

The Arduino IR sensor module code is very simple and easy to understand. We are just basically keeping track of whether the input to pin D9 is HIGH or LOW. We initialize our code by declaring two ...

At one end is an LED and at the other the LDR, and when attached to a glove it provides a finger sensor without the fuss. ... and with a simple divider circuit a voltage can be read by an Arduino.

The massive quantity of electricity gets used in lights through roadways in India. Still, roadways remain empty for nearly all of the day after at night, with a handful of cars passing during the ...