Project Description
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Project description
Problem: I have a Roland SE-70 effects box and a Lexicon Vortex effects box, both of which take an expression pedal input. I also have an Ernie Ball volume pedal that I would like to use on my pedalboard to control the SE-70 and the Vortex.
The plan is to have a microcontroller reading the volume pedal and controlling one digital potentiometer for each effects box. If that works, I'll add a wireless link in the next version.
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Component (7)
Qty
Description
![](https://upverter.com/static/renders/components/000/0000000000000021_48x48.png)
Two-Conductor Jack
J1
1
Generic Two-Conductor Jack
![](https://upverter.com/static/renders/components/ef2/ef2a7542627693f9_48x48.png)
Capacitor
C6, C4, C3, C7, C5
5
Generic Capacitor (10pF)
![](https://upverter.com/static/renders/components/a51/a51baaa3fcfb8bff_48x48.png)
Electrolytic Capacitor
C2
1
Generic Electrolytic Capacitor (100μF)
![](https://upverter.com/static/renders/components/e09/e093e6b701143404_48x48.png)
MCP4261-103E/P
U2
1
7/8-Bit Single/Dual SPI Digital POT with Non-Volatile Memory