Light-dependent Resistor Sensor Module
Light-dependent Resistor Sensor Module is backordered and will ship as soon as it is back in stock.
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- Standard Post: Starting at $7 (6+ business days, with tracking)
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Light-dependent Resistor Sensor Module
A light-dependent resistor (LDR) sensor module for detecting light levels in your projects. The resistance changes with light intensity—decreasing in bright light and increasing in darkness—making it perfect for light-activated switches and automatic lighting systems.
Features both digital and analog outputs, allowing you to detect light/dark thresholds or measure precise light levels. Compatible with Arduino, Raspberry Pi, micro:bit, and other microcontrollers.
Key Features
- LDR Sensor – Resistance varies with light intensity
- Dual Output – Digital (DO) and analog (AO) outputs
- Adjustable Threshold – Onboard potentiometer for digital trigger level
- 3.3V Compatible – Works with micro:bit and 3.3V systems
- 4-Pin Interface – Simple connection to microcontrollers
Pin Configuration
- VCC: 3.3V power supply
- GND: Ground reference
- DO: Digital output (high/low based on threshold)
- AO: Analog output (proportional to light level)
Ideal For
- Light-activated switches
- Automatic lighting systems
- Day/night detection
- Light level monitoring
- Arduino and micro:bit projects
Package Contents
- 1× Light-dependent Resistor Sensor Module
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