I need to see if this schematic is correct to use an Atmel 644p standalone with the Arduino IDE. I have went over several schematics with a MAX232 but, some have resistors between the USB jack and MAX232. None of them explained why they are needed. Any advice and constructive criticism is welcome. …

Proofread Schematic with 644p with MAX232

codlink November 3, 2012, 1:50am 4

Wow, ok, learn something new everyday..

Attached is an updated schematic.

Thanks Crossroads

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