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I found a circuit to accomplish this. | I found a circuit to accomplish this. | ||
[[File:Circuit schematic 2.png|left|thumb|398x398px|circuit schematic]] | [[File:Circuit schematic 2.png|left|thumb|398x398px|circuit schematic]]I used only four buttons and potentiometers and did the wiring the same way as shown in the picture to the left, if you cllick on the picture you'll see a bigger version and also the tiny descriptions become more visible. |