In your suggestion, I would need to provide conditions that didn't break things if the user is not using the software serial, right? There is no way to do it like a printf library?
OK, sorry I read your post as meaning you where building/designing the hardware module.Mark
Don't lose hope yet, read this post about the write(0):http://liudr.wordpress.com/2011/12/26/how-to-update-codes-and-libraries-for-arduino-1-0/
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