LDR Photoresistor Light Sensor Module
3-pin LDR light sensor module with digital output, compact and adjustable, ideal for Arduino and automatic dusk switches.
SKU 8300-LIGHTSENSOR3EAN 8219671103985Item type: AssembledSensors, Sensors
Description
This LDR light sensor module is built to measure ambient light level accurately. Perfect for Arduino projects, dusk switches or robots that home in on a light source.
The on-board LM393 comparator and the adjustable potentiometer let you set the detection threshold easily. The module gives a digital DO output that changes state when the light level rises above or falls below the threshold you set, so it can drive microcontrollers or small relays directly with a drive current of up to 15 mA.
Main features
- Ambient light sensing with an LDR
- Digital DO output for a high/low signal
- Wide-range LM393 comparator
- Adjustable potentiometer for the detection threshold
- DO drive current up to 15 mA
- Power LED and status LED
- Mounting holes for easy installation
- 3.3–5 V supply
Technical details
| Compact size | 3.2 cm × 1.4 cm |
|---|---|
| Sensor | LDR photoresistor |
| Supply voltage | 3.3–5 V DC |
| Digital output | TTL 0/1 |
| Digital output current | max 15 mA |
| PCB size | 32 × 14 mm |
| Comparator | LM393 |
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