Arduino mega 2560 r3 pinouts photo3/31/2024 ![]() After compiling and burning program / sketch on board, we can unplug USB cable and it eventually removes power from board. ![]() This boot loader uses STK500 protocol for communication purposes. Arduino Mega 2560 comes with built-in boot loader and it rules out the usage of external burner for burning code into the microcontroller.To reset the board and to erase all previous data from microcontroller we can use the reset button on board.The code that we make on software is known as sketch and it is burned in software and then transferred to our microcontroller using USB cable. We can type our program in it and then burn that code in our microcontroller and we can also change our code according to requirements. This IDE supports C programming so we have to write program in C language. Just like other Arduino boards, Arduino MEGA 2560 also uses Arduino IDE.Software for programming for Arduino mega 2560 These last two methods to provide power to the board can be used once you built and compile code into board via USB cable. We can use either USB cable to power our board and then transfer our code to board or we can power it up by Vin of board or via power jack. In short there are 3 ways to power our board. GND is a ground terminal which can be connected to the ground of connection from which power is going to be supplied.Vin is an input power that can be used within the external power in range.DC supply can be given via power jack or by using USB cable port 5 volt supply can also be generated and regulated on board.3 voltage supply can be generated with the help of on board regulator and the maximum current is 50 mA that can pass through it.In order to use this board efficiently and without getting the board burnt / damaged we should be cautious in selecting a power source for our microcontroller board as for any electro mechanical device to work, selecting a power source is a crucial step.Īrduino Mega 2560 can have power supply of two voltages i.e. Input Voltage 6-20 V (limit for this board).It prevents USB port of the computer from overheating in case of high current flowing through microcontroller board) Resettable Polyfuse : ( to provide extra layer of protection.Indeed a remarkable addition in Arduino MEGA 2560 ) ICSP header ( Used to program the board and to upload code from computer.USB cable port ( It is used to transfer and connect code from computer the board ). ![]()
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