Aim
The goal of this activity is to demonstrate an Automatic Bed Light using LDR, where light glows automatically in the darkness.
Materials Required
- Arduino UNO R3 – 1
- USB Cable – 1
- Several Jumper Wires
- LDR – 1
- 220ΩResistors-2
- LED – 1
Wiring Diagram
Desired Outcome
The LDR detects the intensity of the ambient light. When there is no sufficient ambient light, the LED will switch ON. If there is enough ambient light, the LED will switch off.
