A
Anonymous
Apr 08, 2026
Rating: 5/5
Easy Integration
Library support is excellent for both ESP32 and Raspberry Pi. Got it running in minutes.
Description
GY-2561 TSL2561 Light Intensity Module, Sensor Module, Ultra-High Intensity Module
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Model Number | GY-2561 |
| Sensor Chip | TSL2561 |
| Communication Interface | I2C |
| Operating Voltage | 3.3V to 5V |
| Light Measurement Range | 1 to 40,000 Lux |
| Spectral Response | Visible and Infrared |
| Board Dimensions | 18mm x 13mm |
| Mounting Hole Diameter | 3mm |
| Operating Temperature | -30°C to 70°C |
| Weight | 2.5 grams |
5 reviews
A
Anonymous
Mar 13, 2026
Rating: 4/5
Good Value
Solid sensor for the price. Wiring was straightforward, though I wish the pins were labeled clearer.
A
Anonymous
Mar 01, 2026
Rating: 5/5
Accurate Readings
Compared to my professional lux meter, this module is surprisingly accurate for the price point.
A
Anonymous
Feb 18, 2026
Rating: 5/5
Perfect for Arduino
Works flawlessly with my Uno project. The library support is extensive and readings are stable.
A
Anonymous
Feb 14, 2026
Rating: 5/5
Compact Size
Fits perfectly in my small enclosure. The sensitivity adjustments allow for indoor and outdoor use.
5 FAQ
Q: Does it work with Raspberry Pi?
A: Yes, it connects via the GPIO I2C pins. Ensure you enable I2C in the raspi-config settings.
Q: Is this module 5V tolerant?
A: Yes, the module includes a voltage regulator and is safe for 5V logic systems.
Q: What is the power consumption?
A: Power consumption is very low, making it suitable for battery-powered projects.
Q: What is the default I2C address?
A: The default I2C address is 0x39, but it can be configured via hardware pins.
Q: Can it measure UV light intensity?
A: No, this sensor measures visible and infrared light, not specific UV indices.
![[Corrosion-Resistant] DFRobot Capacitive Soil Moisture Sensor Module Dry/Wet Detection](https://www.gosteppe.com/cache/medium/product/3259/legacy-main-2f0d3454b36b32391d263648.webp)
![[Kiss Me If You can × COMIPLUS+] Collaboration Merchandise Online Pre-Sale](https://www.gosteppe.com/cache/small/product/269590/legacy-main-839d2b1dc46f1d2a5e11650b.png)
![[Deposit] Xingweimian Lolita 2025 Spring/Summer Rain Falling on Celadon Fishbone Elegant CL Original Formal Dress](https://www.gosteppe.com/cache/small/product/269584/legacy-main-b7d69fcd01bf0df79a1c8eb8.webp)
![[Buy 2 Get 10% Off] Lanzhai Purple Iris Painted Felt Mat – Thickened, Moisture-Resistant, Non-Pilling for Calligraphy & Painting](https://www.gosteppe.com/cache/small/product/269581/legacy-main-603d11ff0e43b7741fb1dc38.webp)
