MID Bass Pedal

  
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The MIDI Bass Pedal uses the MIDI keyboard encoder (MKE), which is capable of encoding any number of momentary action, push to make, single pole single throw (SPST), switches from 1 up to 128 to produce the equivalent MIDI note-on/note-off data commands. The encoded switches are wired via IN4148 diodes, see schematic circuit diagram.
MID Bass Pedal - schematic

This unit can be connected to new bass pedals or it can be used with an older non-MIDI bass pedals by using magnetic/reed switches to isolate the old and new scanning circuits. This will allow the older bass pedal synthesizer to continue to operate as normal while also providing a MIDI output.



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