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is never seen before. At first I thought it was a heatsink,
but there does not appear to be any component under the metal. Here are side and top views for your reference:
The three pins over it are for connecting RC servo input, and are not connected.
The lower metal tab is connected to Vcc as far as I can tell.
don.pincott
1/4/2017 2:25:32 PM
It was truly informative. Your post is very useful.Many thanks for sharing!