KE4053 Keyes DIY Electronic Brick Digital Light Intensity Module BH1750FVI

KE4053 Keyes DIY Electronic Brick Digital Light Intensity Module BH1750FVI

1. Introduction
The Keyes 2021 New DIY Electronic Brick Digital Light Intensity Module BH1750FVI is a high-precision ambient light sensor that outputs digital signals of light intensity via an I2C interface. It is widely used in smart home systems, environmental monitoring, and control applications.

2. Features
- Eco-Friendly Material: Made from black eco-friendly materials compliant with modern safety standards.
- High Sensitivity: Accurately measures ambient light intensity under various lighting conditions.
- I2C Interface: Simplifies connections and communication with microcontrollers.
- Wide Compatibility: Compatible with controllers like Arduino and Raspberry Pi for easy project integration.
- Ease of Use: Simple module design suitable for beginners.

3. Specifications
| Parameter | Description |
|-------------------|--------------------------------------|
| Model | KE4053 |
| Sensor Type | BH1750FVI Light Intensity Sensor |
| Cable Length | 200mm |
| Operating Voltage | DC 3.3V to 5V |
| Interface Type | I2C |
| Illuminance Range | 1 to 65,535 Lux |
| Power Consumption | Approx. 0.12mA (at 5V operation) |

4. Working Principle
The BH1750FVI sensor measures light intensity and outputs corresponding digital signals via I2C:
- Power Connection: The module connects to a power supply via GND and VCC, supporting DC 3.3V to 5V operation.
- Signal Output: The sensor communicates with the main controller through the I2C bus to transmit illuminance data.

5. Pin Description
| Pin Name | Description |
|----------|-----------------------------------------------|
| VCC | Positive power supply (DC 3.3V to 5V) |
| GND | Negative power supply connection |
| SDA | Data line for I2C communication |
| SCL | Clock line for I2C communication |