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The 16u2 pinout is the same for Arduino Uno/Mega. Keep in mind that the Leds have inverted logic. Writing LOW means turn them on. 16u2 Pinout [NC] = Not connected on an Arduino Uno/Mega R3 D0 - [NC] ...
Using SPI Protocol in Arduino. Before start programming for SPI communication between two Arduinos.We need to learn about the Arduino SPI library used in Arduino IDE.. The library <SPI.h> is included ...
Pressing the reset button built into the Arduino Mega board returns the display to its initial state, ready for the next round. The P10 display is connected to the Arduino Mega via SPI pins. Fig. 3 ...
16u2 Bootloader to reprogram 16u2 + 328/2560 with Arduino IDE - Arduino Uno Mega 16u2 Pinout · NicoHood/HoodLoader2 Wiki. 16u2 Bootloader to reprogram 16u2 + 328/2560 with Arduino IDE - ...