Bill - Our 12 year old son Mark, whom you met at your all-day workshop in Lexington, has these two suggestions: - Use infrared, but set up differently. Use alarm-type, a beam between two pts (piano & head) that when broken by slight movement, closes another circuit, the pedal activator. This may well require significantly less head movement. - If the person uses a wheelchair, use buttons on the arm rest or other part of the wheelchair. Best of luck. This is the kind of challenge that many of us would expect that *you* would gladly accept and meet with panache (sp?)<g> Eagerly awaiting news of final contraption. Wally Wilson
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