It looked like the best bet was to do Intel hex files and transfer them ... HardwareSerial.h loads. Uh oh. That file is loaded by Arduino.h. The IDE wants to add that to your program and it ...

You don’t have to use the built-in IDE. You can simply right click on the processor and upload a hex file. Recent Arduino IDEs have an option to export a hex file, and that works with no problem.

The bootloader is basically a small hex file that runs when you turn on the Arduino board ... IC socket – 1 Your Arduino UNO board (here used as a programmer) If you go through the Arduino IDE you can ...

Today Arduino has announced the availability of the new Arduino IDE in the form of version 1.6.8, which is now available with updated cores for almost all supported platforms including : AVR 1.6. ...