Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Chip Model | BH1750FVI |
| Communication Interface | I2C (Inter-Integrated Circuit) |
| Supply Voltage | 3.3V - 5V DC |
| Light Measurement Range | 1 - 65535 Lux |
| Resolution | 1 Lux |
| PCB Dimensions | 16mm x 23mm |
| Operating Temperature | -40°C to 85°C |
| Pin Count | 4 Pins (VCC, GND, SCL, SDA) |
| Compatibility | Arduino, ESP8266, ESP32, Raspberry Pi |
| Package Weight | 2g |
Anonymous
Feb 26, 2026
Rating: 5/5
Compact and Reliable
Small footprint makes it easy to fit into tight enclosures. Been running for weeks without issues.
Anonymous
Feb 20, 2026
Rating: 3/5
Works but needs pull-up resistors
Had some noise on the I2C line until I added external pull-up resistors. Might be my setup, but worth noting.
Anonymous
Feb 17, 2026
Rating: 5/5
Accurate Lux Readings
Compared this against a professional lux meter and the values were very close. Excellent value for the price.
Anonymous
Feb 14, 2026
Rating: 5/5
Perfect for Arduino Projects
Works flawlessly with the standard BH1750 library. Readings are consistent and stable. Great for my smart home light automation.
Anonymous
Feb 13, 2026
Rating: 4/5
Good sensor, minor wiring confusion
The sensor itself is accurate. I wished the pinout was printed larger on the board. Once wired correctly, it works great.
Q: Is there a library available for Arduino?
A: Yes, several libraries exist. Search for BH1750 in the Arduino Library Manager.
Q: Is this identical to the GY-30?
A: It is compatible and functionally similar, using the same BH1750FVI chip.
Q: What is the default I2C address?
A: The default address is typically 0x23, but some variants may use 0x5C.
Q: Can this be used outdoors?
A: The module itself is not waterproof. You need to house it in a weatherproof enclosure for outdoor use.
Q: Does this work with 5V logic?
A: Yes, the module supports 3.3V to 5V input voltage.
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