If I wire a simple momentary push-button to an ATmega32U4 and am using the internal pull-up resistor, do I need an additional resistor to limit current?
According to the datasheet, the internal pull-up resistor is 20 - 50k so I don't think I need anything extra?
Ranking | Name | Answers |
---|---|---|
1 | PCBWay Team | 5 |
2 | Mason Goebel | 1 |
3 | Engineer | 1 |