I'm having a major issue updating the firmware on the melzi board on my

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I’m having a major issue updating the firmware on the melzi board on my CR10 - I’m following an instructable by Donald Basharat but the Arduino IDE version 1.0.5 r2 isn’t displaying any programmers to upload the firmware data.any thoughts as to why this would be?

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Use the latest Arduino, and the latest Marlin…