Installing of the normal firmware. sudo dfu-programmer atmega16u2 erase sudo dfu-programmer atmega16u2 flash Arduino-usbserial-uno.hex sudo dfu-programmer atmega16u2 reset One liner FLASH UNO FW: sudo ...

There will be a reset button near it, which will reset the ATMega328P ... Digital and Analog I/O The Arduino UNO has 14 digital I/O pins and 6 Analog inputs. The digital I/O pins are 5V logic level ...

Meanwhile, the reset button is just that — to reset the board ... the site even allows you to browse through projects that only use an Arduino UNO. Another great resource for finding Arduino ...