Write code for the target, or use a very basic example (blink). Upload sketch "Arduino as ISP" to your "programmer" (=ATMega 2560) Select Board as MEGA 2560 and the serial port it is connected. Please remember to add a delay () line to your code when working with Serial.println () and loops. So you have to burn bootloader at the beginning.īut also without this step you should get connection. Instead of loading your new code to the Arduino using the 'upload button' (the circle with the green arrow) in your screen, use your mouse to click 'Sketch' and then 'Upload'. To upload code via ICSP you do not need a bootloader.īUT by burning the bootloader also the fuses (basic configuration, like internal or external clock and so on) are set. My plan is to build a custom PCB with an Atmega 2560 with the ICSP pins so I can program directly onto the chip without the need for a USB interface. I've been reading up guides on how to do this but I am still getting an error. Upload sketch to programmer MEGA board as normalĪm I right in saying that if I upload a sketch this way, I won't need to upload the bootloader?.By default they measure from ground to 5 volts, though is it possible to change the upper end of their range using the AREF pin and analogReference() function. ![]() The Mega 2560 has 16 analog inputs, each of which provide 10 bits of resolution (i.e. ![]() Pin 10 -> ICSP RESET //I think this should be pin 10 here? I have tried pin 53 (SS) also. See also the mapping Arduino Mega 2560 PIN diagram. I am getting the error "avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x06". ![]() I am trying to upload a sketch onto an Arduino Mega using an Arduino Mega as the programmer.
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