Digital LDR Module
₵12.00
30 in stock
How it Works:
1. When the surrounding light intensity reaches the set threshold, the D0 (digital output) pin goes HIGH.
2. If the light level falls below that threshold, the D0 pin outputs LOW.
3. The digital output (D0) can connect directly to an MCU or microcontroller such as Arduino, allowing detection of light intensity changes via simple HIGH/LOW logic.
4. This output can also directly drive a relay module, effectively creating a photoelectric switch for automated lighting or triggering systems.
Pin Details:
VCC → 3.3V to 5V DC
GND → Ground
DO → Digital Output
Technical Details – photo resistor ldr
- Model Type: Light Dependent Resistor Module
- Operating Voltage (V): 3.3 to 5
- Operating Current (mA): 15
- Length (mm): 36
- Width (mm): 14
- Height (mm): 8
- Weight (g): 2
Features
- LM393-based design for reliable light intensity detection.
- Detects ambient brightness and adjusts to changing light conditions.
- Adjustable sensitivity through a blue digital potentiometer.
- Digital output (0V to 5V) with adjustable trigger threshold from the preset.
- LED indicators for power and output status.
- Compact design ideal for Arduino and other microcontrollers.
Applications – use of ldr sensor
- Automatic lighting systems: controls lighting based on ambient light.
- Light-sensitive alarms and smart triggers.
- Solar-powered devices: adjusts power according to sunlight intensity.
- Camera light detection for exposure and brightness calibration.
- Street light automation based on daylight detection.
- Home automation: integrates with smart systems for light-based control.
Physical Attributes
- Length (mm): 36
- Width (mm): 14
- Height (mm): 8
- Weight (g): 2
Package Includes
- 1 × Digital LDR Module
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