SparkFun will be closed May 25, 2015 for Memorial Day. Orders placed after 2pm on Friday the 22nd will ship out on Tuesday. Thanks!



Member Since: June 13, 2011

Country: United States

  • It’s safe to connect serial pins (DIN and DOUT) of the XBee (3.3V) to serial/digital pins of ATmega328P that works at 5V?

  • Are you sure about D3 and D5 (FT232 RX and TX) connection to ground? According to datasheet, RXLED#/TXLED# pulses low when receiving/transmitting data via USB.

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