A
Anonymous
Mar 08, 2026
Rating: 5/5
Fast response
Very responsive to light changes. I used the analog output for precise readings in my data logger.
Description
4-Pin Photodiode Module Brightness Light Detection Sensor Light-Controlled Switch 3.3V-5V
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 3.3V - 5V DC |
| Output Type | Digital Switch (DO) & Analog (AO) |
| Pin Interface | 4-Pin Header (VCC, GND, DO, AO) |
| Detection Type | Ambient Light Intensity |
| PCB Dimensions | 32mm x 14mm x 5mm |
| Comparator Chip | LM393 Voltage Comparator |
| Operating Temperature | -20°C to 70°C |
| Sensitivity | Adjustable via Blue Potentiometer |
| Compatibility | Arduino, STM32, Raspberry Pi, ESP8266 |
| Package Weight | 3 grams |
5 reviews
A
Anonymous
Feb 16, 2026
Rating: 4/5
Good sensor
Works well but needs calibration depending on your environment. Good value for the price.
A
Anonymous
Feb 14, 2026
Rating: 5/5
Perfect for automation
Used it for a night light project and it worked flawlessly. The sensitivity adjustment is very smooth.
A
Anonymous
Feb 09, 2026
Rating: 5/5
Great value
Cheap and effective for students. Easy to interface with Arduino Uno without extra libraries.
A
Anonymous
Jan 31, 2026
Rating: 4/5
Solid build
PCB quality is good and pins are sturdy. Wish it came with pre-soldered headers though.
5 FAQ
Q: Is 5V input safe for this module?
A: Yes, the module supports an operating voltage range of 3.3V to 5V DC safely.
Q: Can this detect infrared light?
A: This module is primarily designed for visible ambient light detection, not specialized IR signals.
Q: Does the package include header pins?
A: Yes, the package includes a 4-pin header set, but you will need to solder them yourself.
Q: What is the maximum current consumption?
A: The module consumes low power, typically around 20mA when active.
Q: What is the voltage range on the analog output?
A: The analog output (AO) voltage varies from 0V to VCC depending on the light intensity detected.
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