What can Vin be used for on Arduino board?

Related questions

1. Does Arduino have i2c?
2. What is a Tx signal?
3. Why i2c lines are open drain?
4. What is Tx and Rx in fiber?
5. Can Arduino run on 9v?
6. How fast is i2c Arduino?
7. What is the maximum distance of the i2c bus?
8. What is RX and TX signal?
9. What is RX TX?
10. How much current does Arduino output?

Tags

1. #shows
2. #board
3. #arduino
4. #ultrasonic
5. #regulator
6. #power
7. #paths
8. #shields
9. #exact
10. #barrel
11. #schematic
12. #sensors
13. #bluetooth