What is a pullup resistor and how is it used to create a data line?

https://discord.gg/rossmanngroup
Let's get Right to Repair passed! https://gofund.me/1cba2545
We repair Macbook logic boards: https://rossmanngroup.com/macbook-logic-board-repair
👉 DISCORD chat server: https://discord.gg/rossmanngroup
👉 Rossmann Repair Group Inc is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com

✖ Buying on eBay? Support us while you shop! https://www.rossmanngroup.com/ebay