This Light sensor module uses a photocell (LDR - Light Dependent Resistor) to detect the light intensity of the environment. This module comes with a comparator so you will get either a logic LOW (when LDR is covered) or logic HIGH (when light is shining on LDR).
Features:
- Voltage: 3.3V~5V
- Digital output
Dimensions:
- 24 x 24mm