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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!

cerver

Member Since: February 6, 2011

Country: United States

  • i just got 4 of these. i must be doing something wrong. i hooked black and red to 5 volts and then white to a volt meter. the volt meter measures mA to 4 decimal places. i saw no change after applying a lot of force with a pliers.