On Wed, 2013-06-19 at 16:37 -0700, Len Ovens wrote:
Get epiano sustain pedals to plug in
(make sure they are normally open or changeable). [snip] Yamaha and
Roland switches were opposite
The Yamaha sustain pedal is always closed, it will be opened when you
touch it, so it can't be used to replace a switch of a keyboard, at
least not without a circuit.