E Eckstein Tech Wiki
Adafruit VCNL4030 Proximity and Lux Sensor - STEMMA QT / Qwiic

Overview

The Adafruit VCNL4030 Proximity and Lux Sensor is a compact ambient light sensor module based on the Vishay VCNL4030. It combines ambient light sensing with additional proximity detection on a breakout board designed for I2C-based systems. The sensor supports an illuminance measurement range from 0.004 to 16,768 lx, making it suitable for applications that require light level monitoring across a broad range.

The module operates with a supply voltage from 3.3 V to 5.0 V and includes STEMMA QT / Qwiic-compatible connectors for easy integration into existing I2C setups. With a compact footprint of 25.5 x 17.7 x 4.7 mm, it is intended for space-constrained embedded designs. Configurable parameters such as integration time, dynamic range, and sensor settings support flexible adaptation to different measurement requirements.

In addition to ambient light measurement, the VCNL4030 provides proximity sensing with a range up to 300 mm. The board supports a sampling rate of 10.0 Hz and has a specified current consumption of 0.2 mA. According to the provided data, the operating temperature range is -25.0 °C to 85.0 °C.

Technical Data

Parameter Wert Einheit
Schnittstellentyp I2C
Min. Versorgungsspannung 3.3 V
Max. Versorgungsspannung 5.0 V
Abmessungen (mm) 25.5 x 17.7 x 4.7 mm mm
Controller-IC Vishay VCNL4030
Current Consumption 0.2 mA
Operating Temperature Min. -25.0 °C
Operating Temperature Max. 85.0 °C
RoHS Compliant None
Illuminance Measurement Range Min. 0.004 lx
Illuminance Measurement Range Max. 16768.0 lx
Measurement Accuracy Nicht spezifiziert / Not specified
Sampling Rate 10.0 Hz
Connector Ecosystem STEMMA QT / Qwiic

Applications

  • Ambient light measurement in embedded systems
  • Automatic display or backlight control
  • Light level monitoring in IoT nodes
  • Proximity or presence detection alongside light sensing
  • Development and prototyping with I2C sensor platforms

Scope of Delivery

  • 1x Adafruit VCNL4030 ambient light sensor module
  • Breakout board with integrated STEMMA QT / Qwiic connectors

Downloads & Dokumente