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→Using AllInOne module or Zynscreen display (MCP23017)
==Using All-In-One module or Zynscreen display (MCP23017)==
The All-In-One circuit (or the Zynscreen display) can be easily tweaked for adding up to 4 extra switches that can be used for a panic button, a sustain pedal or other MIDI-CC switches (very useful for SooperLooper!).
The All-In-One circuit (or the Zynscreen display) can be easily tweaked for adding up to 4 extra switches that can be used for a panic button, a sustain pedal or other MIDI-CC switches (very useful for SooperLooper!).
* https://discourse.zynthian.org/t/funny-pedalboxes-for-zynthian-using-extra-switches/3331
* https://discourse.zynthian.org/t/funny-pedalboxes-for-zynthian-using-extra-switches/3331
==Zynthian without encoders using legacy 2in1 module for Extra Switches==
You can configure a zynthian without controllers (encoders+switches) for using an ancient 2in1 module to get up to 4 extra switches that you can bind to CUIA or MIDI actions.
This is the wiring layout configuration you have to setup in webconf tool:
[[File:Webconf_noencoders_2in1_extra_switches.png|700px]]
{{NoteBox|As the 2in1 module doesn't use the MCP23008's INTA pin, switches are detected by polling, so i strongly recommend to only configure the pins you are actually using.}}
==Using free RBPi GPIO pins as Extra Switches==
In the same way, you can configure any free RBPi GPIO pins as extra switches. You only have to configure the "Switches Pins" in the webconf tool.