What do GPIO pins do?

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Tags

1. #connect
2. #circuit
3. #example
4. #input
5. #found
6. #ground
7. #integrated
8. #stands
9. #software
10. #raspberry
11. #purpose
12. #output
13. #specific
14. #device
15. #general
16. #program
17. #control
18. #function