A
Anonymous
Apr 10, 2026
Rating: 4/5
Good sensor, small footprint
Accurate readings for indoor lighting. Wish the pins were labeled on the back.
Description
GY-30 Digital Light Intensity Illuminance BH1750FVI Module Sensor
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Sensor Model | BH1750FVI |
| Communication Interface | I2C Bus |
| Operating Voltage | 3.3V to 5V DC |
| Light Measurement Range | 1 to 65535 Lux |
| Resolution | 1 Lux |
| PCB Dimensions | 16mm x 22mm |
| Weight | 2 grams |
| Operating Temperature | -15°C to 60°C |
| Conversion Time | 120ms typical |
| Pin Configuration | VCC, GND, SCL, SDA |
5 reviews
A
Anonymous
Apr 08, 2026
Rating: 3/5
Works but needs pull-up resistors
Had issues initially until I added external pull-ups to the I2C line.
A
Anonymous
Mar 29, 2026
Rating: 5/5
Perfect for Arduino Projects
Works flawlessly with my Uno. Easy to wire and libraries are abundant.
A
Anonymous
Feb 10, 2026
Rating: 5/5
Great value for money
Bought five for different rooms. All consistent in readings.
A
Anonymous
Feb 08, 2026
Rating: 5/5
Reliable light detection
Using this for a smart lamp project. Response time is quick enough.
5 FAQ
Q: Is there a library for ESP32?
A: Yes, many popular BH1750 libraries support ESP32 boards.
Q: What is the I2C address?
A: The default address is usually 0x23, sometimes 0x5C depending on the ADDR pin.
Q: Can this measure sunlight directly?
A: It can measure high lux, but direct sunlight may exceed the max range of 65535 Lux.
Q: Does it come with headers soldered?
A: No, headers are not included unless specified in the variant.
Q: Is this compatible with Raspberry Pi?
A: Yes, it works via the I2C pins on the GPIO header.
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