Just had some time to muck about. Used the usb connector thru a belkin usb pcmcia-card (needed because the built-in usb ports on this computer are cheap&nasty, don't work with many usb peripherals) and picoscope can read good signals from adc100, without the weird crosstalk. So problem is in lpt1, m...

Not with picolog, the problem is with picoscope, latest version (on the r.20 cd) and also with a mex file interface to matlab, using an older version of the adc dll's. Both setups have the same difficulty - fine with one channel, weird crosstalk of kind-of ac & dc with two channels.

I'm recording eye movement data (represented as a DC voltage from a Skalar Iris tracker) using the adc100. Channel A is used to record horizontal position (voltage) and B used to record vertical position (voltage). When I record from just one channel (A or B), everything looks fine. But when I recor...