A
Anonymous
Mar 26, 2026
Rating: 4/5
Good Value Module
Sensitivity is good but the header pins were not included. Otherwise works well.
Description
Photoresistor Sensor Module, 3-Pin/4-Pin, 5V/12V Light-Control Switch
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Working Voltage | 3.3V - 5V / 12V DC |
| Output Signal | Digital Switching Output (0 and 1) |
| Pin Configuration | 3-Pin or 4-Pin Compatible |
| Detection Source | Visible Light (400nm - 700nm) |
| Sensitivity Adjustment | On-board Potentiometer |
| Indicator LEDs | Power LED and Output Status LED |
| PCB Dimensions | 3.2cm x 1.4cm x 0.8cm |
| Mounting Hole Size | 3mm Diameter |
| Operating Temperature | -10°C to 50°C |
| Package Contents | 1 x Photoresistor Sensor Module |
5 reviews
A
Anonymous
Mar 03, 2026
Rating: 5/5
Perfect for Arduino Projects
Works perfectly with my UNO board. Very easy to integrate into my light sensing project.
A
Anonymous
Feb 28, 2026
Rating: 5/5
Easy to Tune
The potentiometer makes calibration simple. Output is stable even in changing light.
A
Anonymous
Feb 12, 2026
Rating: 5/5
Great Night Light Sensor
Used this for an automatic night light. The sensitivity adjustment is very precise.
A
Anonymous
Feb 11, 2026
Rating: 5/5
Reliable Sensor
Been running for weeks without issues. Solid build quality for the price.
5 FAQ
Q: Does this work with 3.3V logic levels?
A: Yes, it supports 3.3V to 5V logic levels commonly used in microcontrollers.
Q: How do I adjust the sensitivity?
A: Use the blue potentiometer on the board. Turn clockwise to increase sensitivity.
Q: Is the output analog or digital?
A: This module provides a digital switching output. For analog, please check our LDR analog module.
Q: Can I connect it directly to a relay?
A: Please use a transistor or driver circuit. The module output current is limited.
Q: Is a wiring diagram included?
A: Yes, please check the product images section for the pinout diagram.
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