Hello everyone.

We have decided to phase out the Mixed Reality Forums over the next few months in favor of other ways to connect with us.

The first way we want to connect with you is our mixed reality developer program, which you can sign up for at https://aka.ms/IWantMR.

The plan between now and the beginning of May is to clean up old, unanswered questions that are no longer relevant. The forums will remain open and usable.

On May 1st we will be locking the forums to new posts and replies. They will remain available for another three months for the purposes of searching them, and then they will be closed altogether on August 1st.

So, where does that leave our awesome community to ask questions? Well, there are a few places we want to engage with you. For technical questions, please use Stack Overflow, and tag your questions using either hololens or windows-mixed-reality. If you want to join in discussions, please do so in the HoloDevelopers Slack, which you can join by going to https://aka.ms/holodevelopers. And always feel free to hit us up on Twitter @MxdRealityDev.

Is it possible to attach external micro-USB sensors to Hololens USB port?

I am working on application where external sensor (like temperature sensor , pressure sensor) data is Input for Hololens application.So, instead of creating another H/W circuit and giving input to application over wifi , thinking of attaching sensor directly to Hololens USB port.

Best Answer


  • Accepted Answer

    Hi Rj21,

    Unfortunately the Hololens only supports Bluetooth accessories. Please see this documentation for more details:



  • rj21rj21
    edited November 2017

    Thanks @ISeeHolograms for your reply.
    So, I can connect sensors which is having Bluetooth attached to it ??.

  • @rj21 said:
    Thanks @ISeeHolograms for your reply.
    So, I can connect sensors which is having Bluetooth attached to it ??.

    You can only connect Bluetooth devices described in Hardware accessories as these are the only ones which have templates bth.inf for the devices.

    HoloLens software works like Windows Mobile, not desktop, even though the code exists it cannot be used and therefore cannot be expanded.

    The only extra not mentioned is Xbox Elite controller, which supports Bluetooth.

    Windows Mixed Reality Motion controllers require Bluetooth 4.0, HoloLens is Bluetooth 3.0 simulation.

  • I succesfully paired Mixed Reality controllers to HoloLens. However Nothing is detected.

    French XR/MR developer / Indie Game Developer

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