Using LDR as a lux sensor a.Signal processing of LDR as a sensor b.ADC of the signal c.Digital filtering –smoothing (Low pass digital filter) d.Calibration using Android phones lux sensor.DC motor ...

Development of a Line following robot, which responds to light and sound, interfacing microphone, DC motors, LDR's, LED's, speaker with Arduino. Using MOSFET and BJT to amplify to drive the motors, ...

Wasting energy by keeping the street lights on all night, we can build an affordable, high-performance smart street light system with the Arduino, LDR sensors. In this article, we'll discover how to ...

The amount of light reaching the LDR from the LED decreases as the pipe is bent, 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 ...