Description

Day/night sensors, also known as photocells, light sensors, or dusk-to-dawn sensors, are devices that automatically switch lights on or off based on the level of ambient light. Day/night sensors utilize a light-sensitive element, often a photoresistor or photovoltaic cell, to detect the presence or absence of light. LDR (Light Dependent Resistor) Sensors: a type of photocell that changes resistance based on light levels. Day/night sensors can be incorporated into home lighting systems for convenience and energy saving.