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Adafruit VCNL4000 Proximity / Light Sensor

£4.79

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About this product

Overview

  • Short range - best results in the 10-150mm range
  • 5V compliant so you can use it with 3.3V or 5V logic
  • Works best at 5V as the VIN powers the IR LED and the higher the voltage, the more powerful it is

Product overview

• Short range - best results in the 10-150mm range• 5V compliant so you can use it with 3.3V or 5V logic• Works best at 5V as the VIN powers the IR LED and the higher the voltage, the more powerful it is• Works with any microcontroller with i2c capability• Ambient light sensor built in• 23mm by 23mm, total thickness 3.15mm

The VCNL4000 sensor is a nice way to add a small-distance proximity sensor to your microcontroller project. For longer distances (in the range of cm, you can use a SHARP IR distance sensor, but those are only good if the object is over 10 cm away. The VCNL4000 is designed for much shorter distances, no more than 200mm (about 7.5") and under our experimentation we found it worked best at distances of about 10-150mm. It would be good for say detecting when a hand moved nearby, or before a robot smacks into a wall. The sensor also has an ambient light sensor built in.

This sensor is easy to use with any microcontroller that has i2c capability. It is 5 volt compliant so you can use it with 3.3V or 5V logic with no risk of damage. There is an onboard 3.3V ultra low dropout regulator so you can power it with 3.3 to 5.0V. However, if you can give it 5.0V that is ideal since the VIN voltage powers the IR LED and the higher the voltage you can give it, the more powerful it is.

We have working example code for this breakout, in the form of an Arduino sketch. It is easily adaptable to any microcontroller, check out the github repository to download click here

Specification

Dimensions & Weight

Width:

18mm

Depth:

16.5mm

Height:

1.75mm

Product Specifications

Compatibility:

Open source

Pin Outs:

5

Operating Specifications

Voltage:

5V

Contents

Package Contents:

1x Adafruit VCNL4000 proximity/light sensor breakout board
1x 6-pin header

Warranty

Warranty Type:

Standard

General

Type:

Sensor

Assembly Required:

No

Soldering Required:

Yes

I have bought your VCNL4000 board but can't find details of the board circuit. I followed your link to GitHub which listed a .sch file but was unable to open it on download. Where can I find out what is on the board? eg are there i2c load resistors on

Asked by: HarryB
We have a datasheet on this item which can be downloaded from the following link; http://52.50.15.149:8072/Downloads/data-sheet-3065
Answered by: Gareth
Date published: 2018-01-03
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Downloads