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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!

HHappe

Member Since: March 6, 2012

Country: United States

  • I have a wifi MCU on one end and a Picaxe on the other. Trying to send ttl from wifi mcu to picaxe rs232 wired TX from wifi MCU to RX on shifter and wired RX on rs232 side to Picaxe. The TX lights on the MCU and the RX lights on the shifter but nothing is happening on the Picaxe. It should be lighting an LED. I have switched the wires every way I can think of and still nothing!

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