Using INPUT_PULLUP to read a button's value by phongphanthanh98

When using INPUT_PULLUP to read a button's value, you don't need an extra resistor for reading the button's status anymore!

Embed This Sketch

Use the following HTML code to embed the sketch code above in your blog or website.

<iframe style="height: 510px; width: 100%; margin: 10px 0 10px;" allowTransparency="true" src="https://codebender.cc/embed/sketch:363114" frameborder="0"></iframe>

Embed The Serial Monitor

You can also embed the Serial Monitor section! Just use this HTML code.

<iframe style="height: 510px; width: 100%; margin: 10px 0 10px;" allowTransparency="true" src="https://codebender.cc/embed/serialmonitor" frameborder="0"></iframe>