Just a simple question If I am using a 5v arduino and my sensor or device requires 3.3v for power + data lines what is the best way to do this? Should one just use a voltage divisor with 2 resisters? Should one use a 3.3v regulator for the power + 2 resisters for the data lines? Should one use a…

5v down to 3.3v for 3.3v sensitive devices

system August 9, 2012, 7:09pm 5

I use this but it looks like they are out of stock.

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