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 #221751

Member Since: April 27, 2011

Country: United States


Spoken Languages

English, German, some Spanish, some Chinese

Programming Languages

C, VHDL, C++, Java, Motorola 68HC11 Assembly, MIPS Assembly



  • which pin is pin #1? I am using 4 - 74ls47 chips to control the display of each digit of this product’s display. The datasheet doesn’t explain which pin is power and ground. Thanks for your help.

No public wish lists :(