Download Arduino Mega Pins Explained Pics. There are 54 digital i/o pins and 16 analog pins incorporated on the board that make this device unique and stand out from others. Due to the many numbers of pins, it is not usually used for common projects but you can find them in much more complex ones like radon detectors, 3d printers.

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I do not want to use 20 if statements to read each pin. Short circuits on arduino pins, or attempting to run high current devices from them, can damage or destroy the output transistors in the pin, or damage the. Type of transition to trigger on, e.g.

It is a function that is called when an external interrupt is done.

Arduino uno has a couple of other pins as explained below The mega2560 has 16 analog inputs, each of which. Specify the input pin that is used for external interrupt here. It is a function that is called when an external interrupt is done.