Description:
An LDR (Light Dependent Resistor) sensor, also known as a photoresistor, is a type of passive electronic component that changes its resistance in response to changes in light intensity. LDR sensors are made from semiconductor materials that exhibit light-sensitive behavior. When exposed to light, the resistance of the LDR decreases, and when in darkness, its resistance increases. This characteristic makes LDR sensors ideal for various applications, such as automatic lighting control, light level measurement, and dusk-to-dawn switches. The sensor module is based on the LM393 design, offering simplicity and low-cost functionality.
Features:
Operating Voltage: 3.3V to 5V DC
Operating Current: 15 mA
Output: Digital – 0V to 5V
Adjustable Trigger Level: Pre-set for precise light detection
Light Detection: Can detect ambient brightness and light intensity
Sensitivity Adjustment: Adjustable sensitivity via blue digital potentiometer
Applications:
Automatic lighting control systems
Light intensity measurement
Dusk-to-dawn switches
Environmental lighting sensors
Smart home automation
Disclaimer:
Product details, specifications, and colors may change from time to time without prior notice depending on batch updates or improvements.
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