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: July 11, 2008

Country: United States

  • actualy, make sure to use 23cm antenna for the receiver.
    just a straight piece of wire will do.

  • I had a micro upstairs sending the letter ‘A’ to the transmitter repeatedly with no antenna and the reciver downstairs connected to my pcs serial port with an antenna and it worked. i got some garbage in between but i’m going to do send a header some error checking in software to fix it.
    my tip is to connect the reciver to the pc so you can see extacly what’s been recived through hyperterminal. then you can play around with antenna length and stuff.

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