Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 5V DC / 12V DC |
| Detection Component | Photoresistor (LDR) |
| Output Signal | Digital Switching Output (0 and 1) |
| PCB Dimensions | 3.2cm x 1.4cm |
| Comparator Chip | LM393 |
| Sensitivity Control | Adjustable via Potentiometer |
| Power Indicator | Red LED |
| Output Indicator | Green LED |
| Mounting Hole Diameter | 3mm |
| Operating Temperature | -10°C to +50°C |
Anonymous
Mar 04, 2026
Rating: 5/5
Great value for money
Bought five for different automation projects. All working perfectly out of the box. Fast response time.
Anonymous
Feb 06, 2026
Rating: 5/5
Perfect for my night light project
Works exactly as expected. Easy to tune sensitivity with the potentiometer. Used it to trigger a relay when room gets dark.
Anonymous
Feb 05, 2026
Rating: 4/5
Does the job
Sensitive enough for indoor use. Shipping was fast and packaging protected the components well.
Anonymous
Feb 05, 2026
Rating: 5/5
Reliable light sensor
Using it to control a fan based on sunlight exposure in my greenhouse setup. Very stable readings.
Anonymous
Feb 01, 2026
Rating: 4/5
Good module, clear instructions
Works well with Arduino. Wish the pins were labeled clearer on the board itself, but the documentation helped.
Q: Does it come with pin headers?
A: Yes, pin headers are included for easy breadboard use and connections.
Q: What is the max current for the output pin?
A: The digital output is signal level. Please use an external relay for high current loads.
Q: Can this handle 12V input directly?
A: Yes, the module supports both 5V and 12V DC input voltage.
Q: Is this compatible with Raspberry Pi?
A: Yes, it works with any microcontroller accepting digital input signals.
Q: How do I adjust the light sensitivity?
A: Use the blue potentiometer on the board with a small screwdriver to calibrate the threshold.
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