3pin Photosensitive Sensor Module Light- Dependent Control LM393 LDR Module
$76.5
$140
Product details: The module is useful for detecting the presence of light. The module has two LEDs, one for power and one for output of the comparator. In this configuration, the circuit detects if the light exceeds a certain threshold. Specification: Working voltage 3.3V-5V
Variable Resistors