Re: Adding /modifying firmware. #firmware

N5KBP
 

The terms firmware and software are interchangeable in this scenario. The difference in a hex file and a ino file is that a hex file is machine readable and an ino is human readable. When  you write code it is called source file. This is the ino. The arduino IDE compiles or converts this human readable file to a hex file the arduino can read and follow. It hen uploads the hex file to the arduino. The hex file That Dr. Lee distributes is nothing more than the ino file he has already compiled for you. I prefer the ino file myself. It gives you the flexibility to change things if you wish. ie make it use the i2c dsp meter, drop unused functions to free up memory etc.
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N5KBP

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