I don’t understand what’s wrong. I’ve been using the app from an official lesson. I just wrote HC-06 instead of HC-10… and changed the UUID to 00001101-0000-1000-8000-00805F9B34FB which was the only found on the internet. What could be done wrong?
Hey @artyomshpl7 
You’ll have to use a third-party app to scan all your nearby devices and get the UUID for your unique HC-06 module. Unfortunately in this case using a value from the internet won’t work for all bluetooth modules.
Thanks.
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Yes. I’ve already done everything. But I’ve stopped using arduino with the HC-06 and started using ESP where the UUID was already announced