VEML7700 Ambient Light Sensor Module | High-Precision Digital Lux Sensor for Arduino, Raspberry Pi & IoT Projects

Detailed Description

The VEML7700 Ambient Light Sensor Module is a highly sensitive digital ambient light sensor designed to accurately measure illumination levels across a wide dynamic range. Manufactured by Vishay, the VEML7700 integrates a high-resolution photodiode, analog-to-digital converter (ADC), and signal processing circuitry into a compact package, providing precise lux measurements through a simple I²C communication interface.

The sensor can detect very low light levels as well as bright daylight conditions, making it suitable for automatic brightness adjustment, smart home systems, weather stations, industrial automation, and energy-efficient lighting control. Its low-power operation makes it especially useful in battery-powered IoT devices and portable electronics.

Compatible with Arduino, Raspberry Pi, ESP32, STM32, and other microcontroller platforms, the VEML7700 offers easy integration and reliable ambient light monitoring for a wide range of embedded applications.

Key Features

• High-precision ambient light sensing
• Digital lux output via I²C interface
• Wide dynamic measurement range
• Excellent low-light sensitivity
• High-resolution 16-bit ADC
• Low power consumption for battery-operated devices
• Adjustable gain and integration time
• Accurate daylight and indoor light measurement
• Compatible with Arduino, Raspberry Pi, ESP32, STM32, and other microcontrollers
• Compact module design for easy integration

Specifications

• Sensor Model: VEML7700
• Sensor Type: Ambient Light Sensor (ALS)
• Communication Interface: I²C
• Supply Voltage: 3.3V – 5V (module dependent)
• Resolution: 16-bit
• Light Measurement Range: Up to approximately 120,000 lux
• Operating Current: Ultra-low power
• Output: Digital Lux Data
• Operating Temperature: -25°C to +85°C (typical)
• Mounting Type: PCB Module

Applications

• Automatic Display Brightness Control
• Smart Lighting Systems
• Home Automation
• IoT Devices
• Environmental Monitoring
• Weather Stations
• Industrial Light Measurement
• Energy-Efficient Lighting Control
• Portable Electronics
• Data Logging Systems

 Weight

Approximate: 3g