Background: I am thinking about a way to remotely deliver firmware updates. This is not going to be an experiment, but rather a valuable feature for my dozens of Arduino MEGA 2560 R3 based data loggers working in remote areas that we have to spend hours of drive to get to in case of firmware update…

Feasibility check: programming Arduino MEGA 2560 with Arduino Uno, NO PC

CrossRoads April 25, 2014, 6:02am 13

File:Upload using Programmer wipes out the bootloader, yes, and sketch starts immediately after reset.

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