Vishay OPTO Squad


Optoelectronics Technical Support Team

Here to help you with your application design, part selection, and technical questions.

Infrared Emitters, Photodetectors, Sensors ~

samy reinhard

Optocouplers ~


Visible LEDs ~


2 comments on “Support

  1. Keith Summers
    March 1, 2019

    I’m working on a design to use the VCNL4035X01. I have the I2C writting and reading from the part but I’m not able to get the unit to strobe the IR circuits yet. It would be helpful if the documentation had sample intialization sequences to help get us off the ground with just one base configuration.

    I’m using the product in a new LED light design.

  2. Keith Summers
    March 1, 2019

    I’m starting to see Interrupt values on INT_Flag, so clearly something is working. I have all the PS and ALS value on minimum right now — I just need to crank up the power and I should be functionally there.

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