How to TS footswitches with more than one function work?

  • Thread starter Thread starter CurlOfTheBurl
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CurlOfTheBurl
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I have a Diezel D-Moll but would really like to build a footswitch that would actually fit on my pedalboard. The FS7HE runs by TS cable but can control up to 7 different functions. How are they doing that and can it be DIYed in a smaller box?

I don't need the mute function BTW but everything else would be ideal to have available in a smaller footprint.
 
The old MXR pitch transposer had a 5 button footswitch (4 presets and a bypass function) that had different resistor values in line with the switches, it was explained to me that it worked by multiplex. Maybe Diezel is similar ?
 
I believe it works with a microcontroller and, like @paulyc said, different resistances for each switch. The microcontroller detects a range of voltages and sends a high/low to the appropriate relays.

Coda effects has a good article on programming microcontrollers.
 
Last edited:
You only need two wires (TS) if it’s transmitting data over a serial connection, like MIDI does.
 
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