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Go to a parts vendor and search for this:
logic translator OR logic level shifter
Attached is one I use. It is bidirectional which you don't need so ground the DIR pin.
They come 1/IC or 2, 3,4 8, or 16.
This one converts up or down but some only go one way. There are some that only do the 3.3 to 5.0 translation.
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