Eowave Eobody3 User Manual
Page 14
How to connect standard expression pedals or footswitches
to my Eobody3
There are mainly two wiring norms for pedals on the market: the Yamaha norm and the Roland
norm. With your Eobody3, you may use directly all expression pedals or footswitches at the
Yamaha norm. To use pedals and footswitches, which respond to the Roland norm, you need to
modify your pedals or build an adapter. Before you decide to modify your pedal, be aware that this
is a hardware modification and that, once modified, your pedal won’t work with other Roland type
devices anymore. Eowave declines all responsibility for your modification. If you’re not sure that
you have the skills for doing this modification by yourselves, ask a professional.
1
• Roland norm vs. Yamaha norm
Roland norm expression pedal connection
Eobody connection
• To modify your pedal
Open the jack
Invert tip & ring cables
Leave the ground unchanged
• To build an adapter
You need:
one 3 wires cable,
one stereo jack connector,
one stereo jack female connector
Solder: Ground to ground, Tip to ring, Ring to tip
• Standard wire footswitch
• To modify your footswitch
You may check the ring/tip with a multimeter if
you
’re not sure.
Cut the mono jack
Replace it by a stereo jack
Connect one wire to +5 V pin (tip)
Connect one wire to the signal (ring)
Connect one 3K resistor between ground and
signal (ring)
• To build an adapter
You need:
one 3 wire cable,
one stereo jack connector,
one stereo or mono jack female connector
Solder ground from female to ring of male
connector, tip to tip, 3K resistor between
ring/ground from male connector.
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