Direct Connection without SDK

I would like to write my own app without using the SDK.

I have a MetawearR device.

I am able to connect to the device using straight CoreBluetooth commands. I then enumerate the services and characteristics and subscribe to the custom characteristic.

The problem is that after a few seconds the device disconnects.

I assume this is because there is some kind of authentication that has to occur.

Is three any documentation about how to communicate and authenticate with a Metawear R without using the SDK?


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