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How to build your first Robot ($ 85)

Step 15The red plastic on the back of the board

The red plastic on the back of the board
On the backside of the board you may find some strange plastic.

This has no use, it is just a leftover from manufacturing.

They dip the board in warm tin, and parts they do not want so get tinned is sealed with this stuff.

Just peal it off when you need the holes they seal.
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