Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | DC 3.3V - 5V |
| Interface Type | 3-Pin / 4-Pin Header |
| Sensor Type | Photoresistor (LDR) |
| Output Signal | Digital Switch (DO) & Analog (AO) |
| PCB Material | FR-4 Fiberglass |
| Board Dimensions | 32mm x 14mm |
| Product Weight | 3 grams |
| Sensitivity Control | Adjustable Potentiometer |
| Indicator Lights | Power LED & Trigger LED |
| Compatibility | Arduino, Raspberry Pi, STM32 |
Anonymous
Mar 30, 2026
Rating: 5/5
Fast delivery
Great component for beginners learning about analog sensors. Documentation online is plentiful and this module matches standard tutorials.
Anonymous
Mar 23, 2026
Rating: 5/5
Perfect for my Arduino project
Works exactly as described. I used this to build a automatic night light and the sensitivity adjustment is very useful. Easy to wire up.
Anonymous
Feb 16, 2026
Rating: 4/5
Good value but small
The module is quite small which is great for compact builds, but the pins are close together. Sensitivity is accurate enough for hobby use.
Anonymous
Feb 06, 2026
Rating: 5/5
Reliable light detection
Used it for a garden sensor project. It handles outdoor ambient light changes well when protected in a case. Very stable output.
Anonymous
Jan 17, 2026
Rating: 3/5
Potentiometer tricky
The sensor works, but the potentiometer was a bit stiff to turn initially. Took some time to calibrate the threshold correctly.
Q: Does it output analog values?
A: Yes, the AO pin provides an analog voltage proportional to light intensity, while DO provides a digital trigger.
Q: Can I use this with 3.3V logic levels?
A: Yes, the module operates comfortably within the 3.3V to 5V range, making it safe for most microcontrollers.
Q: Are headers pre-soldered?
A: This depends on the variant selected. Please check the product images or description for pinned vs. unpinned options.
Q: What is the detection range?
A: It detects visible light spectrum. The exact lux range depends on the potentiometer setting and ambient conditions.
Q: Can it power an LED directly?
A: The module output is a signal pin. You should use a transistor or relay module to drive high-power loads like LEDs.
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