Member Since: May 3, 2011

Country: United States

  • Ok hw gurus, here's your chance to help out a clueless sw guy:
    I'm using this board essentially as a power supply and rs-232 converter for another circuit that I've built on the board.
    Here's the problem. The board doesn't talk to the PC unless I put an RS-232 mini tester (w. leds for the serial lines) on the line. Then the RS-232 works and communicates with a PC. With no tester, it doesn't work.
    Any ideas? I am using the board in 3.3v mode (my circuit requires 3.3v).

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