What are these pins for??

Development Tools IDE 1.x
1

What are the 2x3 male header matrix and the jumper pins right by SCL and SDA?
Thanks!

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2

The 2x3 male header matrix is the connector for the ISP (In-System Programming) for the USB/Serial converter (Atmega16u2).
For more informations: :wink:

3

Thanks! :slight_smile: