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Are there any good online resources for sealing (dustproofing and / or waterproofing) available online? I'm wondering about USB micro connectors, but also just in general, what do people do to seal connectors.
A fair point - I guess what I meant was that I want to seal connectors when space is a factor - so if the connectors are soldered directly to the PCB, how is the space between the connector and the plastic case sealed?