As per title do I need a voltage regulator to build a standalone arduino circuit or can I use a voltage divider as the required voltage of the ATMEGA328 is 1.8V to 5.5V according to http://uk.farnell.com/jsp/search/productdetail.jsp?SKU=1848694 . I did post a related topic in the product guidance fo…

Is a voltage regulator neccesary for stand alone ardunios

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