DESCRIPTION The VEML7700 is a high-accuracy ambient light sensor (ALS) from Vishay Semiconductors, designed for superior ambient light detection with low noise and high resolution, making it one of the best choices for energy-efficient light-sensing applications. It features an I2C interface, low power consumption, and a wide dynamic range, making it ideal for smart lighting, display backlight control, IoT devices, and wearable applications. FEATURES High Sensitivity & Accuracy – Measures ambient light from 0 lx to 120 klx with 16-bit resolution Wide Dynamic Range – Auto-adjusting gain for optimal performance in low-light and bright environments Low Power Consumption – Ideal for battery-powered devices with configurable power modes I2C Interface – Simple integration with microcontrollers (Arduino, Raspberry Pi, ESP32, etc.) Programmable Interrupt Function – Triggers alerts when light levels exceed set thresholds APPLICATIONS Smartphones & Tablets (Auto-brightness adjustment) IoT & Smart Home Devices (Light automation) Wearables & Health Monitors (Adaptive display control) Industrial & Automotive Systems (Light sensing for HMI) TECHNICAL DETAILS Operating Voltage: 3.3V to 5V Current Consumption Active Mode: 200 µA (typical) Shutdown Mode: 1.5 µA (typical) Interface: I2C (up to 400 kHz) Measure Range: 0 - 120k lx Operating Temperature: -40°C to +85°C Spectral Response: Close to human eye sensitivity (CIE 1931 photopic curve) SHIPPING LIST 1x VEML7700 Ambient Light Sensor 1x Male Pin Headers
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