Go Down

Topic: Quick Question (Read 180 times) previous topic - next topic


Hello guys.I have a quick question to ask.What is the use of this chip of Arduino Uno?I have upload a photo. Thank you.


Jun 22, 2018, 02:45 pm Last Edit: Jun 22, 2018, 11:46 pm by Jobi-Wan
It is the 5V regulator. Its input is the DC barrel connector.

Edit to add:  It is U1 in the top-right corner of this schematic of the Uno R3.  Are you asking because it gets hot?

Go Up