Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Pin Configuration | Available in 3-Pin and 4-Pin options |
| Operating Voltage | 3.3V to 5V DC |
| Output Signal | Digital Switch Output (DO) and Analog Output (AO) |
| Detection Wavelength | Visible Light Spectrum (approx. 400nm - 700nm) |
| Adjustable Sensitivity | Yes, via onboard potentiometer |
| Comparator Chip | LM393 High Precision Comparator |
| PCB Dimensions | 32mm x 14mm x 5mm |
| Mounting Hole Diameter | 3.0mm |
| Response Time | Microsecond range for fast switching |
| Application Compatibility | Arduino, Raspberry Pi, ESP32, STM32 |
Anonymous
Mar 26, 2026
Rating: 5/5
Reliable light detection
I bought five of these for a garden lighting system. All five units performed consistently. The LM393 comparator provides a clean digital signal without any jitter, even in twilight conditions.
Anonymous
Mar 22, 2026
Rating: 4/5
Good value, clear documentation needed
The hardware quality is solid and the soldering points are clean. It took me a moment to figure out which pin was AO vs DO without a diagram, but once connected, it functions perfectly. Great for the price.
Anonymous
Mar 13, 2026
Rating: 5/5
Exceeded expectations
Very stable performance. I was worried about false triggers from indoor lighting fluctuations, but the hysteresis on the comparator handles it well. Definitely buying more for future projects.
Anonymous
Mar 13, 2026
Rating: 5/5
Compact and efficient
Small footprint makes it easy to fit into tight enclosures. The analog output is linear enough for basic brightness logging, while the digital output is great for simple on/off logic. Highly recommended.
Anonymous
Mar 01, 2026
Rating: 5/5
Perfect for my automatic night light project
This photodiode module worked exactly as expected. The sensitivity adjustment is very smooth, allowing me to set the exact lux level where the switch triggers. Used it with an Arduino Uno to control an LED strip, and the response is instant.
Anonymous
Mar 01, 2026
Rating: 4/5
Great for learning sensors
Used this for my university electronics lab. It's very forgiving for beginners. The potentiometer makes it easy to visualize how threshold detection works. Only wish it came with header pins pre-soldered.
Q: Can this module be used directly with a 5V Arduino?
A: Yes, this module operates comfortably within the 3.3V to 5V range, making it fully compatible with standard 5V Arduino boards like the Uno and Mega.
Q: What is the difference between the 3-pin and 4-pin versions?
A: The 4-pin version typically breaks out VCC, GND, Digital Output (DO), and Analog Output (AO). The 3-pin version usually provides VCC, GND, and only the Digital Output, suitable for simple switch applications.
Q: Is the sensitivity adjustable for different lighting conditions?
A: Absolutely. There is an onboard blue potentiometer that allows you to fine-tune the detection threshold to suit anything from bright sunlight to dim indoor lighting.
Q: How do I connect this to a Raspberry Pi?
A: Connect VCC to the 3.3V or 5V pin, GND to ground, and the DO pin to a GPIO input. If using the Analog Output (AO), you will need an external ADC since Raspberry Pi GPIOs do not support analog input natively.
Q: Does this sensor detect infrared (IR) light?
A: This module uses a photodiode primarily sensitive to visible light. While it may have slight sensitivity to near-IR, it is not optimized for IR remote control signals; dedicated IR receivers are better for that purpose.
External Round Thread Welding Turning Tool, Threading Tool, Zhuzhou Alloy YT15 YG8 YW2 Lathe Tools, 20*25*30 Square
$17.00
Traditional Children's Rattle Drum, Classic Baby Hand-Shake Instrument, Plastic Toy for Newborn Boys and Girls
$2.90
Ultra-Soft Dual-Tip Blending Stump Set for Oil Pastels & Sketching – Washable Smudge Tools for Shading and Detail Work
$3.39
Chengzhutang Foldable Water Bucket Chinese Painting Brush Washer Gouache Watercolor Paint Cleaning Pail Art Student Brush Basin Collapsible Cup Oil Painting Color Pigment Bucket
$9.80
Meiao Dental Nobel Biocare Import Package - Swedish Dental Implants, Crowns, Abutments, and Dentures
$15,888.00
Outdoor Waterproof ABS Plastic Case - Shockproof Moisture-Proof Storage Box with Cushioning for EDC Tools and Travel
$12.00
Natural Loofah Dish Cloth - Oil-Resistant, Non-Scratch Industrial Scouring Pad
$3.43
Paper Blending Stumps for Sketching - Professional Art Supplies for Highlights, Shadows, Pastels, Oil Pastels, and Colored Pencils - Complete Set for Beginners and Artists
$4.40
Aromatherapy Cup Candle Container DIY Crystal Diffuser Stone Cup Plaster Cement Cup Glass Vessel Demagnetizing Bowl
$4.68
American Chicano West Coast Style Neon Sign - Gothic Script Rap Shop Decor, Opening Gift, Living Room Light-Up Art
$279.00
Data Cable Organizer, Desktop Fixed Charging Cable Storage, Solid Wood Phone Power Cord Clip, Anti-Tangle Adhesive Hook, No-Drill Computer Wire Winder, Wooden Edge Hanging Cable Collector
$35.00
Forest Wooden House Building Blocks - Educational Treehouse Toy for Boys and Girls, Board Game Trendy Blind Box
$12.90
German B&W Safety Case for Folding Knives - EDC Tool Storage Box, Waterproof, Moisture-Proof, Shockproof, Models 1000-3000
$245.00
Fuzao Kids 3D Printing Pen 2026 New Arrival Viral Pretend Play Toy for Girls Educational Gift for Ages 3+ Children's Day
$48.90
UHT Ultra-High Temperature Sterilizer, Room-Temperature Set Yogurt Production Line, Yogurt Processing Equipment, Stirred Yogurt System
$80,640.00
Professional Sketch Blending Kit for Art Students: Gray Tone Pencils, Sponges, Stumps, and Erasers
$4.17
Custom Solid Wood Signboard with Engraved Lettering, Advertising Carved Plaque for Homestays, Tea Rooms, Studios, Wooden Entrance Hanging Sign
$16.90
MOKO Stainless Steel Expandable Dish Drainer - Multi-Function Kitchen Sink Rack for Bowl and Plate Storage
$28.00
WoSporT Factory Direct WST Safety Case 32cm (12.6 inch) - Dustproof, Waterproof, and Impact-Resistant Tool Box
$95.00
South Korea DIO Dental Implant / Implant + Abutment + Crown
$1,580.00
40cm Extended Drill Attachment with Scouring Pad Head for Polishing, Rust Removal, and Marble Countertop Cleaning
$60.00
Authentic Ou Style Tian Kaishu Thousand Character Classic Calligraphy Card for Adult Practice, High-Definition Coated Paper
$55.10
Zer0g Ultra-Light 14g Backpack Waterproof Liner - Polycro Odor-Barrier Pack Liner for Hiking and Trekking
$21.20
Touchmark Liquid Acrylic Markers with Soft Tips, Specialized for Elementary School Art, Ideal Birthday Gift for Children
$18.90
Paper Blending Stump for Sketching - Professional Art Tool with Blade for Highlights, Pastels, and Oil Pastels
$3.74
Wen Zhengming Small Regular Script Love Lotus Essay Brush Tracing Practice Copybook Calligraphy Paper Copying Custom Wholesale for Beginners
$8.80
Heavy-duty Industrial Scouring Pad Roll with Aluminum Oxide for Stainless Steel Polishing and Rust Removal
$57.52
1.06m Leather Slitting Machine – Wide-Range Strip Cutter for Leather, Luggage, and Rubber Materials
$16,250.00
Ceramic Double-Boiler Steaming Bowl with Lid – Ideal for Eggs, Bird's Nest, Custard, and Soup for Home or Commercial Use
$21.11
![[Ya Que You Sheng] DT900 PRO X Calibration File V2 Version EQ Equalization](https://www.gosteppe.com/cache/small/product/269040/legacy-main-a3c0c55ffaafe89c05afced1.webp)
[Ya Que You Sheng] DT900 PRO X Calibration File V2 Version EQ Equalization
$15.00
![[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)
