====== Session 6 ======

  * Experiment with Arduino: Charging and discharging of capacitor, RC with potentiometer
  * Experiment with Arduino: Capacitive touch, digital voltage input levels $V_\mathrm{I,H}$ and $V_\mathrm{I,L}$ 
  * Experiment with PicoScope: RC lowpass with signal generator 
  * Simulation with: LTspice simulation of RC lowpass, parametric sweep
  * Bode plot
  * Complex numbers