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How-To: Super Simple Serial Terminal

Sep 16, 2008, 22:01 (3 Talkback[s])
(Other stories by Adam Harris)

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"For this How-To we'll be using an ATMEGA128 running at 16MHz. Since this device will be communicating through RS-232, we're going to need a level shifter. RS-232 uses 12 volt signals which will fry our 5V microcontroller. To fix this problem, we're going to use a MAX233 chip."

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