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: January 12, 2006

Country: Japan


Spoken Languages

Japanese, English



  • Bluegiga offers DFU tool with new firmware and it allows you to upgrade through serial port. You don’t need to use SPI. I have successfully upgraded my breakout board comes with iWRAP3.0 to iWRAP4.0 through serial port.

No public wish lists :(