TheCodersCorner.com items tagged with digital-io.

Buffering an arduino output pin for more power

By dave

There are some occasions when the amount you safely draw (assume 20mA) from an Arduino board pin is just not enough (and some Arduino boards have even lower current capability). In these cases the output needs to be buffered in order to provide more power. At this point there are several possibilities, including ready made buffer chips such as the ULN2003A....

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