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SparkFun Electronics will be closed on July 3rd, 2015 in observance of Independence Day. Any orders placed after 2:00pm MT on July 2nd will be shipped out after the weekend. Thanks!

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Algebrix

Member Since: June 9, 2009

Country: France

  • To control the contrast you have to turn the screw-like piece on the back (near of the Rx screw). I think no external potentiometer is need. Hope this can help!!

No public wish lists :(