MultiSerial Shield

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Revision as of 14:24, 20 November 2009 by SarahEmm (talk | contribs) (First page on the MultiSerial shield.)
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The Arduino MultiSerial shield will let the Arduino access a number (4 or 8 likely) of RS232 serial ports via SPI. It will have switchable TTL or RS232 levels.

  • Use the MAX3110 SPI UART/level shifter chip, $11ish at Digi-Key in qty. 1