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I have had an enquiry about the use of a standard CD player for cause and effect training. The enquirer wants an inexpensive way of having a switch to start a CD playing and then after a set time have it stop playing (pause). The user would then have to press the switch again to un-pause the music. I have talked about environmental control or IR control systems and use of computers as players to do this but the enquirer wants a stand-alone device to go home with the user. I thought that a QED toy controller or similar wired into the pause button or the remote controller, but that would not work because this would hold the pause button down after a switch press, so the control would be in effect a latching switch and no advance on wiring the switch in directly. Any Ideas? David