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!


Member Since: December 27, 2009

Country: United States

  • Does anyone know what to do with the Vref pin? The only thing the data sheet says is that its a “reference voltage”, which isn’t very helpful. Does that make it an input I need to give it or an output that I can use if I so choose?