Description
It’s ideally suited for applications where you need to measure changing light conditions, and thanks to its simple design and 3-pin interface, it integrates easily into breadboards or embedded projects.
- Module: KY-018
- Sensor Type: Photoresistor (LDR – Light Dependent Resistor)
- Output Type: Analogue (voltage varies with light)
- Operating Voltage: 3.3V – 5V
- 3-Pin Interface: VCC, GND, A0 (Analogue Output)
- Response Range: Sensitive to visible light
- Module Size: 19mm x 15mm
Key Features:
- Module: KY-018
- Function: Light Level Detection
- Sensor: Light Dependent Resistor (LDR)
- Output: Analogue voltage (0–1023 on Arduino)
- Voltage: 3.3V – 5V
- Interface: VCC, GND, A0
- Compatible with Arduino, Raspberry Pi (via ADC)
- Compact and breadboard friendly
- Ideal for light automation projects
What’s Included:
- 1x KY-018 Light Sensor Module (Photoresistor)
Great For:
- Automatic Light Control
- Day/Night Detection
- Light Intensity Logging
- DIY Solar Trackers
- STEM & Educational Kits
- Environmental Monitoring Projects
Usage Tips:
- Use analogRead() on Arduino to read light levels
- Output voltage increases as brightness increases
- Add threshold logic to turn lights on/off automatically
- Combine with LEDs or relays for smart control systems
- Raspberry Pi users require an external ADC module for analogue input
