The Yocto-Light-V2 device is an USB ambiant light sensor (lux meter) which will allow you to you measure ambient light up to 65000 lux. Measurements can be directly read via USB or stored on the device internal flash for later retrieval when connected again by USB.

This module can be used in conjunction with a directional light source to create a light barrier, as it is very reactive. This device is a possible replacement for the Yocto-Light V1, which is not produced anymore. The other option is the Yocto-Light-V3, which is less reactive but whose light sensitivity spectrum better matches the human eye.

This circuit has been designed so that the sensor itself can be moved further away from the USB by a few meters: simply split the board into two parts and solder a 4-wire cable on the designated pads.

This device can be connected directly to an Ethernet network using a YoctoHub-Ethernet, to a WiFi network using a YoctoHub-Wireless-g, it can even be connected to a GSM network thanks to the YoctoHub-GSM.

Yocto-Light-V2 Wires to be ordered separately Enclosure available separately

USB cables and enclosure to be ordered separately.

CHF 23.22

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Manufacturer Product NumberLIGHTMK2
Product nameYocto-Light-V2
SensorADPS-9301 (Avago)
USB connectormicro-B
Refresh rate10Hz
Measuring range0..65000lux
Linear precision5%
Supported Operating SystemsWindows, Linux (Intel + ARM), Mac OS X, Android
Driversno driver needed
API / SDK / Libraries (USB+TCP)C++, Objective-C, C#, VB .NET, Delphi, Python, Java/Android
API / SDK / Libraries (TCP only)Javascript, Node.js, PHP, Java
Suggested enclosureYoctoBox-Short-Thin-Black
Cables and enclosuresavailable separately
Made inSwitzerland

Related articles and application examples

 Light sensors comparison 

Accessories and related products

YoctoBox-Short-Thin-Black, Enclosure for Yoctopuce device (short, thin, black)YoctoBox-Short-Thin-Transp, Enclosure for Yoctopuce device (short thin translucent)Micro-USB-Hub, Micro USB hub with solder pads, for DIY useFix-2.5mm, screws and spacersUSB-A-MicroB-30, A to micro-B USB data cable, 30cmFlat-Cable-Solid100, Ribbon cable 1.27mm pitch, tinned solid copper, 100cm


User manual (HTML)
User manual (PDF)
3D file (STEP)
Last Firmware24473 (05/19/2016)
Library for Javascript25534 (10/10/2016)
Library for PHP25534 (10/10/2016)
Library for Objective C25534 (10/10/2016)
Library for C++25534 (10/10/2016)
Library for C#25534 (10/10/2016)
Library for VisualBasic .NET25534 (10/10/2016)
Library for Delphi25534 (10/10/2016)
Library for Python25534 (10/10/2016)
Library for Java25534 (10/10/2016)
Library for Android25534 (10/10/2016)
Library for Command line25250 (08/23/2016)
Virtual Hub for Windows25601 (10/19/2016)
Virtual Hub for Linux, Intel + ARM25601 (10/19/2016)
Virtual Hub for Mac-OS-X25601 (10/19/2016)

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