Adafruit APDS9960 Proximity, Light, RGB & Gesture Sensor
SKU: TH2034
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SKU: TH2332
Adafruit VCNL4030 Proximity and Lux Sensor is a two-in-one I2C breakout that combines short-range proximity sensing with ambient light measurement on a single board. It is built around the Vishay VCNL4030 and can detect proximity from 0 to 300 mm while measuring light from 0.004 to 16,768 lux.
Adafruit VCNL4030 Proximity and Lux Sensor is a two-in-one I2C breakout that combines short-range proximity sensing with ambient light measurement on a single board. It is built around the Vishay VCNL4030 and can detect proximity from 0 to 300 mm while measuring light from 0.004 to 16,768 lux.
This breakout is designed to make integration easy with both 3.3V and 5V systems. On-board regulation and level-friendly support circuitry let it work with platforms such as Arduino, Metro, Feather, and Raspberry Pi. With built-in STEMMA QT / Qwiic compatible connectors, you can plug it into the I2C bus with minimal wiring.
The VCNL4030 also gives you useful control over sensor behaviour. Parameters such as integration time, dynamic range, sensitivity, proximity duty cycle, and IR LED current can be adjusted so you can trade off speed, precision, range, and power consumption to suit your project.
Important: the VCNL4xxx family contains similar-looking parts, but their firmware is not interchangeable. You cannot simply swap a VCNL4030 for a VCNL4040 or related variant without using the correct library and recompiling your code.
Technical details for Adafruit VCNL4030 Proximity and Lux Sensor.
| Brand | Adafruit |
|---|---|
| Sensor IC | Vishay VCNL4030 |
| Interface | I2C |
| I2C Address | 0x60 |
| Proximity Range | 0 to 300 mm |
| Ambient Light Range | 0.004 to 16,768 lux |
| Board Input Voltage | 3V to 5V DC via VIN |
| Logic Compatibility | 3.3V and 5V systems |
| Connectors | STEMMA QT / SparkFun Qwiic compatible |
Suitable for obstacle detection, simple presence sensing, robotics, touchless interaction, ambient light monitoring, automatic display dimming, and other embedded projects that need both proximity and lux data over I2C.
It can be used with CircuitPython, Python, or Arduino drivers for straightforward integration into prototypes and finished builds.
Pin configuration for the breakout board.
| Pin | Name | Function |
|---|---|---|
| 1 | VIN | Power input for the board. Accepts 3V to 5V DC and feeds the on-board regulator. |
| 2 | 3Vo | 3.3V output from the on-board regulator, available for light auxiliary use. |
| 3 | GND | Common ground for power and logic. |
| 4 | SCL | I2C clock line. |
| 5 | SDA | I2C data line. |
| 6 | INT | Open-drain interrupt output for threshold-based event signalling. |
The board includes STEMMA QT connectors for quick I2C hookup, but QT / Qwiic cable is not included.
For 5V boards, connect 5V, GND, SCL, and SDA. For 3.3V boards, connect 3V, GND, SCL, and SDA. If you use the interrupt feature, connect INT to a suitable GPIO with pull-up as required by your platform.
It combines two sensors on one I2C breakout: a proximity sensor with a 0 to 300 mm range and an ambient light sensor that measures from 0.004 to 16,768 lux.
Yes. The breakout includes on-board support circuitry for both 3.3V and 5V logic-level systems, and VIN accepts 3V to 5V DC input.
It uses the I2C interface, so you connect VIN, GND, SCL, and SDA. The board also includes STEMMA QT / SparkFun Qwiic compatible connectors for quick plug-in I2C wiring.
The breakout uses the fixed 7-bit I2C address 0x60 according to the Adafruit guide and current store draft.
No. Adafruit notes that VCNL4xxx sensors may look similar, but their firmware and libraries are not identical, so swapping to a VCNL4040 or another variant requires the correct library and recompiling your code.
Yes. Adafruit provides support for Arduino as well as CircuitPython/Python, and the breakout is designed for easy use with boards such as Arduino, Feather, Metro, and Raspberry Pi over I2C.
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