How can I replace a W103 Potentiometer with Audrino?

In trying many EE's to help create boost circuit for high powered LED, I finally give up and will use a ready made boost converter. The only issue is I want to to control the voltage and current through code instead of W103 potentiometer.. I saw something about replacing with digital potentiometer.. is this required in this case? How can I use arduino to replace this pot?

link to module

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