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Author Topic: Is it possible to connect a mega 2560 to arduino uno?  (Read 341 times)
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I was wondering if you had an mega 2560 just the chip and connected the vital pins to an arduino uno, would you be able to upload to it? I was wondering this because I notice that the arduino uno and arduino mega 2560 boards are alike.
« Last Edit: December 14, 2012, 07:44:25 pm by To_noob_to_be_true » Logged

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yes
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Sure, just remove the 328p chip from it's socket on Uno board and add four wires from the uno board to your 'standalone' 2560 based board, pins 0,1, reset, and a ground wire. You are effectively just using the Uno board for it's on-board USB serial converter chip and even the auto-reset should function to support IDE uploading to your standalone board. First you will have to get a bootloader burned into the 2560 chip, but even that is possible if you have a uno board loaded with the arduinoISP sketch and the proper wires to the 2560 'target' chip.

Lefty
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