Pull-up and pull-down resistors explained

What are pullup and pulldown resistors? How to use pull up and pull down resistors in communication and what are internal pull-up and pull-down resistors?
Aruduino and Raspberry Pi have internal pull-up and pull-down resistros.

[@kaldik_1238]

i finaly understand , thank you

[@ysunilkumar06]

Very Nice and knowledgeable. Thanks.

[@BlackDragonBE]

Clearly explained, short and sweet. Thanks!

[@blueprintiot]

Thank you! If there are any other topics you’re interested, let me know!

[@user-oj9qy8mj6f]

Great explanation and graphics.

[@blueprintiot]

Thanks man! If you have any other topics of interest you would like to have a video about, let me know!

[@kenlow4028]

This is the best explanation , thank you

[@blueprintiot]

Thank you so much for your feedback! And please let me know what other topics you would like to have a video about

[@user-ur4ys3zn9q]

Great Video, absolutely love it

[@blueprintiot]

Thank you :) Let me know what other topics you would like to have a video about!

[@Ancipital_]

Finally I understand. thanks 🙏🏻🙏🏻

[@blueprintiot]

That’s great, thanks for feedback! Let me know wich other topics you struggle with and a clean explanation would help…

[@elektron2kim666]

I have a GPS doing it wrong (for my micro controllers). It works fine with the Windows software and an adapter.

[@jordig3412]

great explanation , thx ;-)

[@blueprintiot]

Thank you :) Let me know what other topics you would like to have a video about!

[@user-kh6rp6yx1j]

Welcome to you.

[@kamilsarrar6703]

Danke für die guten Videos. Ich war mal ein Student von Ihnen wollte fragen wie es Ihnen geht!