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This video is a teardown of the new Amazon Echo Dot revision 4 which I purchased on the recent black Friday sales.
High resolution photos and more information for the teardown are on my blog
www.briandorey...
The version 4 of the Echo Dot is a new round design and uses a double-sided main circuit board with a small board in the top of the case which has the microphones and switches to control the unit.
You can view previous teardowns and projects on my blog at www.briandorey...