SPECIFICATIONS

🔹 Product Overview

The GY‑302 light intensity illumination module is a high‑precision digital ambient light sensor designed for projects that require accurate brightness detection. It outputs direct lux values through the I2C interface, making it extremely easy to integrate with Arduino, ESP32, Raspberry Pi, and other microcontroller platforms.

With a wide measurement range from 0 to 65535 lux, fast response, and stable performance, this module is ideal for smart lighting, environmental monitoring, and DIY electronics.

⭐ Key Features

1. High‑Precision Light Measurement

Provides accurate ambient light readings from 0 to 65535 lux, suitable for indoor and outdoor environments.

2. Digital I2C Output

Uses a simple two‑wire communication interface for stable and noise‑free data transmission. No calibration required.

3. Wide Voltage Compatibility

Supports 3.0V to 5.0V input, fully compatible with Arduino, ESP32, ESP8266, Raspberry Pi, STM32, and more.

4. Fast Response and Low Power Consumption

Ideal for real‑time brightness detection, automatic lighting control, and battery‑powered devices.

5. Compact and Easy to Use

Small PCB design with clearly labeled pins makes it beginner‑friendly and suitable for all levels of users.

⭐ Detailed Description

The GY‑302 light intensity module is designed for applications that require accurate and stable ambient light detection. Unlike traditional analog light sensors, this module outputs direct digital lux values, eliminating the need for analog‑to‑digital conversion or manual calibration.

Its I2C interface allows easy integration with popular development boards, while the wide measurement range ensures reliable performance under various lighting conditions—from dim indoor light to bright outdoor sunlight.

The module’s compact size and low power consumption make it ideal for smart home devices, environmental monitoring, robotics, and educational projects.

⭐ Technical Specifications

• Measurement Range: 0 to 65535 lux

• Interface: I2C (SDA, SCL)

• Operating Voltage: 3.0V – 5.0V

• Output Format: Digital lux value

• Power Consumption: Ultra‑low

• I2C Address: 0x23 / 0x5C (selectable)

• Dimensions: Approx. 13.9 × 18.5 mm

⭐ Applications

• Smart lighting control

• Ambient light detection

• Solar tracking systems

• Weather stations

• Smart home devices

• Arduino / ESP32 / Raspberry Pi projects

• Robotics and automation

• Environmental monitoring