High-performance light detection module with 5 mm LDR and onboard LM393 comparator for reliable ambient light sensing. Adjustable sensitivity, compact form factor and dual outputs make it ideal for industrial automation triggers, smart lighting controls and educational robotics sensor integration. Operates at 3.3–5 V with indicator LEDs and easy-connect pins.
- Sensor Type: 5 mm Light Dependent Resistor (LDR) module with LM393 comparator
- Operating Voltage: 3.3 V – 5 V DC
- Output Signals: Digital output (threshold switch) + optional analog output (light intensity)
- Adjustable Sensitivity: Onboard trimmer potentiometer
- Indicator LEDs: Power & output status (depends on variant)
- Interface: 3-pin or 4-pin (VCC, GND, DO and optional A0)
- Dimensions: ~33 × 14 × 8 mm
- Weight: ~4 g
- Use Cases: Light detection trigger, brightness monitoring, automatic control logic





