4/7/2024 0 Comments Arduino mega pinout interrupts![]() External Interrupts: Six pins are used for creating external interrupts i.e interrupt 0(0), interrupt 1(3), interrupt 2(21), interrupt 3(20), interrupt 4(19), interrupt 5(18).Setting this pin to LOW will reset the board. Reset: This pin is used to reset the board.There are four combinations of these serial pins are used where Serail 0 contains RX(0) and TX(1), Serial 1 contains TX(18) and RX(19), Serial 2 contains TX(16) and RX(17), and Serial 3 contains TX(14) and RX(15). ![]() Rx represents the transmission of data while Tx used to receive data. Serial Communication: RDX and TXD are the serial pins used to transmit and receive serial data i.e.However, the output voltage through this pin to the board will be automatically set up to 5V. The voltage provided by the power jack can be accessed through this pin. Vin: It is the input voltage supplied to the board which ranges from 7V to 20V.GND: There are 5 ground pins available on the board which makes it useful when more than one ground pins are required for the project.While another voltage regulation is provided by 3.3V pin. It can be obtained from Vin of the board or USB cable or another regulated 5V voltage supply. This regulated power supply powers up the controller and other components on the board. 5V & 3.3V: This pin is used to provide output regulated voltage around 5V.
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