Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | DC 5V - 12V |
| Output Signal | Digital Switching Output (0 and 1) |
| Detection Component | Photoresistor (LDR) |
| Comparator Chip | LM393 Wide Voltage Comparator |
| PCB Length | 3.2 cm |
| PCB Width | 1.4 cm |
| Mounting Hole Diameter | 3 mm |
| Sensitivity Control | Adjustable via Blue Potentiometer |
| Power Indicator | Red LED |
| Output Indicator | Green LED |
Anonymous
Apr 12, 2026
Rating: 4/5
Good module for the price
Works well but needed some tuning to get the light threshold exactly where I wanted it.
Anonymous
Apr 01, 2026
Rating: 5/5
Works great with Arduino
Very sensitive and easy to integrate into my project. The potentiometer makes calibration simple.
Anonymous
Mar 18, 2026
Rating: 5/5
Fast shipping and quality
Perfect condition upon arrival. Pins are well soldered and the board looks sturdy.
Anonymous
Feb 21, 2026
Rating: 5/5
Arduino compatible
Easy to use with microcontrollers. The digital output is clean and reliable.
Anonymous
Jan 31, 2026
Rating: 3/5
Okay product
Functions as expected but the included instructions were vague regarding wiring.
Q: What size screwdriver is needed to adjust the sensitivity?
A: A small precision flathead screwdriver is required to turn the blue potentiometer.
Q: Is this module compatible with 3.3V logic systems?
A: The module operates best at 5V to 12V. While output might be readable at 3.3V, we recommend 5V for stability.
Q: What is the maximum current the output pin can handle?
A: The output is a signal level only. Please do not connect high current loads directly to the output pin.
Q: Does this provide an analog output signal?
A: No, this specific module provides a digital switching output based on the threshold set by the potentiometer.
Q: Is this sensor waterproof for outdoor use?
A: No, the PCB and components are not waterproof. Please enclose it in a suitable housing for outdoor applications.
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