> i have no logic analyzer, oscilloscope I'd suggest you try your soundcard. Google. For the comms speed you're wanting to use it should be adequate, and it will be more than helpful to see what's being presented to the micro. Establishing comms is all about timing and a soundcard can show you what's happening on the data line -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist