Description
VEML7700 High Accuracy Ambient Light Sensor Module for Arduino & Raspberry Pi
The VEML7700 Ambient Light Sensor Module is a high-precision digital light measuring solution designed for modern embedded systems. With 16-bit resolution and direct Lux output, this sensor eliminates complex calculations and delivers accurate ambient light readings over a wide range. Supporting both 3.3V and 5V logic with an easy-to-use I2C interface, it is ideal for Arduino, Raspberry Pi, and other microcontroller platforms.
Key Features:
-
High-accuracy digital ambient light sensor with direct Lux output
-
Wide light measurement range up to 120,000 Lux
-
16-bit ADC for precise and stable readings
-
I2C (IIC) interface for easy integration
-
Compatible with Arduino, Raspberry Pi, and CircuitPython
-
Low power consumption with ultra-low shutdown current
-
More accurate and reliable than traditional LDR/photoresistors
-
Compact module with long service life
Technical Specifications:
| Parameter | Details |
|---|---|
| Sensor IC | VEML7700 |
| Resolution | 16-bit |
| Light Measurement Range | 0 – 120 kLux |
| Accuracy | 0.0036 lx/ct |
| Sensitivity | 0.005 lx/ct |
| Interface | I2C (IIC) |
| Supply Voltage | 3.3V – 5V |
| Operating Current | 45 µA |
| Shutdown Current | 0.5 µA |
| Output Data | Digital Lux (Lx) |
| Operating Temperature | -25°C to +85°C |
| Compatibility | Arduino, Raspberry Pi, CircuitPython |
Applications:
-
Automatic brightness control systems
-
Smart home lighting automation
-
Weather stations and environmental monitoring
-
Display backlight control
-
IoT and embedded projects
-
Robotics and educational projects
-
Data logging and light intensity measurement
Precautions:
-
Ensure correct I2C wiring before powering the module
-
Operate only within the specified voltage range
-
Avoid exposure to moisture or corrosive environments
-
Install required libraries before use with microcontrollers
-
Do not exceed the maximum operating temperature