1. Introduction
The Keyes 2021 new DIY electronic building block digital light intensity module BH1750FVI is a high-precision light sensor module that can output digital signals of ambient light intensity via an I2C interface. It is widely used in smart homes, environmental monitoring and control systems.
2. Features
-
Environmentally friendly materials : Made of black environmentally friendly materials that meet modern safety standards.
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High sensitivity : It can accurately measure ambient light intensity and is suitable for various lighting conditions.
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I2C interface : Simplifies connection and communication, suitable for a variety of microcontrollers.
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Wide compatibility : Compatible with controllers such as Arduino and Raspberry Pi, facilitating integration into various projects.
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Easy to use : The module design is simple and suitable for beginners.
3. Specifications
|
parameter |
describe |
|---|---|
|
model |
KE4053 |
|
Sensor type |
BH1750FVI Light Sensor |
|
Wire length |
200mm |
|
Operating voltage |
DC 3.3V to 5V |
|
Interface type |
I2C |
|
Illumination range |
1 to 65535 Lux |
|
Power consumption |
Approximately 0.12mA (when operating at 5V) |
4. Working Principle
The BH1750FVI measures light intensity and outputs corresponding I2C digital signals. Its workflow is as follows:
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Power connection : The module is connected to the power supply via GND and VCC, supporting DC 3.3V to 5V.
-
Signal output : The sensor communicates with the main control device via the I2C bus to transmit light intensity data.
5. Foot position description
|
Pin Name |
describe |
|---|---|
|
VCC |
Connect to the positive power supply; supports DC 3.3V to 5V. |
|
GND |
negative power connection |
|
SDA |
Data cable, used for I2C communication |
|
SCL |
Clock line, used for I2C communication |