“Want to measure light intensity easily? Try the BH1750 (GY-302) Light Sensor!”
john.hoghon 2025-11-26 16:26:23 560 Views2 Replies Looking for a light sensor that gives digital lux readings directly, instead of raw analog voltages? The BH1750 (GY-302) answers that need — it outputs light levels over I²C as real-world lux values.
Need a sensor that works with 3.3 V–5 V logic and fits easily into your Arduino, ESP32 or Raspberry Pi project? BH1750 is fully compatible.
Want a wide measurement range — from dim indoor lighting to bright sunlight? BH1750 covers from 1 to 65,535 lux.
Concerned about power consumption for battery-powered or IoT builds? BH1750 has low current draw while still providing high-sensitivity measurements.
Planning automatic light-based control — e.g. for room lighting, ambient sensing, or display brightness adjustments? BH1750’s accurate lux output makes it perfect for such automation or environmental monitoring tasks.
Whether you need to detect day vs night, adjust brightness dynamically, or log ambient light data — BH1750 (GY-302) is a simple, reliable, and high-precision solution.
The BH1750 is a simple digital light sensor. It gives direct lux readings. No ADC work is needed. It uses I²C for quick data access. It works on 3.3 V and 5 V boards. Setup is easy on Arduino or ESP32. Raspberry Pi works fine too. The sensor reads dim to bright light. It measures from 1 to 65,535 lux. Power use stays very low. That helps battery devices last longer. Readings stay stable and accurate. This makes automation easy. Use it for indoor lighting control. Use it for ambient sensing. Use it for display brightness jobs. It even works well outdoors. Data logging is simple and reliable. Many projects use it for day and night checks. It is great for IoT builds. The BH1750 is cheap and dependable. It avoids messy calibration steps. It fits small enclosures with ease. If you want other sensor options, check this helpful guide:
https://www.theengineeringprojects.com/2024/12/vcnl4040-proximity-and-ambient-light-sensor.html.
That sensor also measures ambient light. Together, they cover many needs. The BH1750 remains perfect for quick projects. It offers clean readings and fast setup. It is a strong choice for beginners. Experts like it for stability. It simply gets the job done.
ahsrab.rifat I am thinking about buying the BH1750 light sensor for my Arduino/ESP32 project. Can anyone confirm if this site is trustworthy and reliable?
Does this module provide accurate lux readings as described, and is the shipping and product quality good?
Is it safe to purchase from EasyElecModule, or should I consider alternatives?
Has anyone personally bought this sensor from this site and had a smooth experience with delivery and product quality?
john.hoghon 