Function Generator Version 2
1. Shake to start
2. Wait for convergence
6 Operational Amplifiers = 3 Waves
Left: Square
Middle: integral(Square) -> Saw Tooth
Right: integral(Saw) -> Sine like
Pros: Cheap and Simple
Cons: No Amplitude or Frequency control
Making it better is simple but, if i made this circuit any more complicated, no one would understand it and I would run out of space :'(