×

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!

Bone Cracker

Member Since: April 5, 2011

Country: United States

  • I had some trouble too, I mixed up the RX and TX, so I defined it correctly in the software. Mine prints from the arduino and still has the weak flashes from the led. I assume you have the new soft serial as well. Also, I had the baud settings wrong. Check the printer defauld baud rate by holding the button on the printer down while plugging the power in. Make sure this is the same value in the software, and on the serial monitor. Hope this helps,

No public wish lists :(