X="3.8" y="2.9"/> - 2 momentary pushbutton switches 1 rotary switch, 5+ positions 10 LEDs 3 sockets Potentiometers: One potentiometer for internal clock rate. One SPDT switch per step, to set output voltages. (10) - One potentiometer per step, to set clock rate // Top left: clock in, speed pot_p160(); // Left side: meta-step controls // step rotary switch - this needs a 4040 binary counter, but.