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We are trying to connect a Bluetooth device without a passkey and trusting default yes in Python.

I am running a headless Raspberry PI 3, and I want it to automatically accept pairings from any device.

I saw this answer in an identical question:

Automatically accepting Bluetooth connections on a Pi 3

But it seems to be a bit outdated and some of the used commands don't seem to exist. enter image description here

  • Which version of BlueZ are you using? Does it have to be python commands or is it OK to just use BlueZ commands directly? – Youssif Saeed Mar 7 at 6:54
  • "some of the used commands don't seem to exist" - which ones specifically? – Dmitry Grigoryev Mar 7 at 9:36
  • Latest Version of BlueZ was using. @Youssif Saeed – ViGoRa Mar 7 at 16:24
  • hci0 is showing error @Dmitry Grigoryev – ViGoRa Mar 7 at 16:25
  • Can you try doing this using normal BlueZ command line tools first? You can run 'btmgmt bondable on' to set your device to be pairable/bondable, then 'btmgmt io-cap 3' to set your IO capabilities to NoInput/NoOutput. After that, test that your raspberry pi accepts incoming pairing without requiring a passkey and see if it works. If this fails, please post the error message that you are getting. – Youssif Saeed Mar 7 at 22:02
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Taken from raspberryPi.org

To pair type pair xx:xx:xx:xx:xx:xx where xx:xx:xx:xx:xx:xx is your BD address of the 
device you want to pair
Next type trust xx:xx:xx:xx:xx:xx

You should read the full thread from the link, this can help you.

Basicly the idea is to pair bluetooth device without user gui.

[The raspberry is much faster without a Desktop envoirement]

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