Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Operating Voltage | 3.3V - 5V DC |
| Output Type | Digital Switch Output (0 and 1) |
| Detection Component | GL5528 Photoresistor |
| Comparator Chip | LM393 Wide Voltage Comparator |
| Sensitivity Adjustment | Potentiometer Adjustable |
| PCB Dimensions | 32mm x 14mm x 8mm |
| Mounting Hole Diameter | 3.1mm |
| Interface Pins | 4-Pin (VCC, GND, DO, AO) |
| Compatibility | Arduino, Raspberry Pi, ESP32, STM32 |
| Application Range | Light control switches, camera exposure, brightness monitoring |
Anonymous
Mar 22, 2026
Rating: 5/5
Reliable analog and digital output
I appreciate that this module provides both DO and AO pins. The analog output allows for granular brightness readings, not just on/off states. The LM393 comparator is stable and doesn't fluctuate wildly near the threshold.
Anonymous
Mar 22, 2026
Rating: 5/5
Compact and efficient
The small footprint fits perfectly into my compact IoT enclosure. Power consumption is low, which is great for battery-operated projects. The soldering points are large enough for easy wiring.
Anonymous
Mar 20, 2026
Rating: 5/5
Perfect for my Arduino night light project
This sensor module works exactly as described. The potentiometer makes it very easy to calibrate the threshold for when the digital output triggers. I used it to turn on an LED strip when the room gets dark, and it responds instantly.
Anonymous
Mar 06, 2026
Rating: 4/5
Great value, clear documentation needed
The hardware quality is solid for the price. It detected light changes accurately during my university lab test. I deducted one star because the pinout wasn't printed clearly on the back, so I had to look up a datasheet online to be sure.
Anonymous
Mar 05, 2026
Rating: 5/5
Easy to use for beginners
I am new to electronics and this was one of the first sensors I tried with my kids. Connecting it to the breadboard was simple, and the example code found online worked immediately. Highly recommended for learning.
Anonymous
Mar 05, 2026
Rating: 4/5
Good sensitivity range
Using this to monitor sunlight levels for my automated greenhouse shutter system. It handles the transition from dawn to day well. Just make sure to shield it from direct rain if using outdoors, as it is not waterproof.
Q: What is the response time of the sensor when light changes suddenly?
A: The GL5528 photoresistor typically has a rise and fall time in the range of tens of milliseconds, which is fast enough for most lighting control and environmental monitoring applications.
Q: Does this module output an analog voltage value or just a high/low signal?
A: It provides both! The 'AO' pin gives an analog voltage proportional to light intensity, while the 'DO' pin gives a digital high/low signal based on your potentiometer threshold setting.
Q: Can I connect this directly to a 3.3V microcontroller like an ESP8266?
A: Yes, the module operates on a wide voltage range of 3.3V to 5V, making it fully compatible with 3.3V logic systems like the ESP8266 or ESP32.
Q: Is the photoresistor replaceable if it gets damaged?
A: The photoresistor is soldered onto the PCB. While technically replaceable with soldering skills, it is designed as a sealed module. If damaged, we recommend replacing the entire module for consistent performance.
Q: How do I adjust the sensitivity of the light detection?
A: There is a blue potentiometer on the board. Use a small screwdriver to rotate it clockwise or counter-clockwise while exposing the sensor to your target light level until the indicator LED toggles as desired.
G80 Heavy Duty Chain SHQ - 2m/6m/8m/10m Short Chains for Manual Chain Hoists
$8.51
Commercial Food Warmer Small Heating Thermostat Display Cabinet Countertop Chestnut Egg Tart Bread Glass Cooked Food Cabinet
$188.00
Eye-Protection Highlighter Pens for Elementary Students - Colored Markers for Key Points, Note-Taking for Middle Schoolers, Journaling Pens
$1.51
Play Instantly! Steel Tongue Drum Starter Kit with Smart Practice App and Full Accessories - Perfect for Personal Use or Gifting
$338.00
Rubber Cable Protection Ramp Wire Channel Cover Outdoor Ground Crossing
$15.05
Sketch Blending Knife Set for Artists – Highlight, Detail, Shadow Blending Tools with Cotton Swabs, Scrapers, Sponge Tips, and Replacement Heads for Still Life Drawing
$4.20
Wenxin Tang Calligraphy and Painting Felt - Ancient Art Series, Double-Sided Wool Felt with Leather Desk Mat for Calligraphy and Painting, Colorful Soft Stain-Resistant Felt for Brush Writing Practice, Traditional Chinese Painting Supplies
$32.30
Construction Backfill Ceramsite Lightweight for Bathroom Garage Roof Base Concrete Roof Sloping Gardening Planting
$430.00
Scented Candle Making Kit - DIY Tools Including Wax Melting Pot, Thermometer, Heating Stove, and Containers
$6.46
Stainless Steel Multi-Function Bathroom Storage Rack - Over-Toilet Shelf with Multi-Layer Floor Standing Cabinet for Washing Machine
$48.98
Variable Frequency Drive Safety Function Module FSO-12 Kit
$9,900.00
Wheel Lug Nuts Compatible with Ford Focus, Kuga, Mondeo, Escort, EcoSport, Everest
$59.50
Cardboard Box Wholesale Taobao No.10/12 Paper Box Packing Hard Small Carton Half-Height Postal Express Packaging Box Custom
$0.14
New 502 Super Glue Large Bottle, Instant Adhesive for Plastic, Paper, Furniture Repair, ABS, and Hardware
$5.18
Mushroom Stick Sponge Stamp Painting Set - Rotating Brush and Printing Tool for Kids' Art and Crafts
$3.32
Yijiayi Plastic Surgery: Eyebrow Transplant, Aesthetic Artistic Brow Planting for Sparse or Missing Brows
$6,780.00
Biliansheng Hair Transplant – No-Shave Technique for Eyebrows, Beard, Widow's Peak, and Sideburns; Aesthetic Design and Hair Restoration
$2.55
Oil Pastel Blending Stumps and Smudging Tools for Painting, Mixing, and Highlighting
$4.76
Jingyangge Calligraphy Wool Felt Arm Rest Pad, Mini Felt Mat for Chinese Painting, Inkstone Protector, Creative and Exquisite Practice Mat
$9.90
Concrete Mixing Plant Gantry Car Wash Platform, Shiji Runde Tunnel-Style Gantry Car Wash Machine
$20,000.00
Baohong Watercolor Paper Artist Grade 1/2/Full/Half Sheet, Student Grade 300g 100% Cotton Pulp, Rough/Medium/Fine Grain Roll
$33.00
Metal Garden Bed - Large Size Vegetable Planter for Balcony and Home Gardening
$1,033.00
Custom Travertine Stone Signage with Natural Marble 3D Lettering and Spherical Characters for Cafes, Clothing Stores, and Studios
$170.00
CANDLE.LAB | Realistic Cookie Series DIY Aromatherapy Plaster Candle Diffuser Handmade Silicone Mold
$12.00
Zhao Mengfu Calligraphy Copybook - Running Script 'Qingyun Zhi', Red-Traced Practice Paper for Beginners in Calligraphy
$15.80
Aesthetic Street Scene Watercolor Line Art for Coloring, 16K Landscape Watercolor Coloring Book, Painting Book, Cotton Pulp Watercolor Album
$15.80
Warehouse Nitrogen Sealing Generator - High-Purity Food-Grade PSA Skid-Mounted Container Equipment
$959.00
Ransheng UV Resin Gel, UV Crystal Glue for Gemstones, Ear Cuff Sealing, Dried Flower Molds, DIY Quick-Dry UV Epoxy
$44.00
Dairy Processing Production Line, Pasteurized Milk Equipment, Low-Temperature Sterilization and Fermentation Machine for Cow and Camel Milk
$8,203.00
Blue Lint-Free Wiping Paper - Industrial Large Roll Oil-Absorbent Shop Towels
$62.00
![[Youxin Electronics] GP2Y0E03 Infrared Distance Sensor Module 4-50cm Range](https://www.gosteppe.com/cache/medium/product/74667/legacy-main-4da8cadc5fc82afe91b124e3.webp)
![[Trial Pack] Xianlang Complete Cat Treat Sticks Meal Packs Main Course Cans Freeze-Dried Cat Food Sample Snacks Gift Set](https://www.gosteppe.com/cache/medium/product/208273/legacy-main-9ec245ebf781f65a434ba854.webp)
