> > > > ... > > ni = windll.nidaq32 > > buffer = c_int * 100 > > status = ni.DAQ_Op (deviceNumber, chan, gain, buffer, count, sampleRate) > > Hi Toddy, ^^^^^ Doh! I'm sorry Todd; I don't know how that extra 'y' got appended there. I'm not used to typing on a laptop, but it's still a lame excuse for getting your name wrong. *grin*