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Housing for resistor?
(lemmy.world)
For questions about component-level electronic circuits, tools and equipment.
1: Be nice.
2: Be on-topic (eg: Electronic, not electrical).
3: No commercial stuff, buying, selling or valuations.
4: Be safe.
I tried finding the video, but I cannot.
It's the same concept as potting PCBs with black epoxy. Of course, it helps to be aware of heat sensitive components but China never cares about that.
Google for Epoxyseal 9000, if you want something proper.