Free courses

You can find and access my courses for free on my YouTube channel, https://www.youtube.com/@BlueMoonshine.

I propose the following courses:

• Trigonometry
  • Trigonometry Demystified - Part I
  • Trigonometry Demystified - Part II
  • Trigonometry Demystified - Part III
• Algebra
  • How To Solve Cubic Equations
  • How To Intelligently Solve A Rubik's Cube - Part I
  • How To Intelligently Solve A Rubik's Cube - Part II
  • How To Intelligently Solve A Rubik's Cube - Part III
  • How To Intelligently Solve A Rubik's Cube - Part IV
• Electronics
  • Complex Numbers and Impedance
  • The Operational Amplifier - Part I
    • What is an op-amp?
    • Linear regime
    • Saturated regime
    • The comparator
    • The voltage follower (unity-gain amplifier)
  • The Operational Amplifier - Part II
    • The non-inverting amplifier
    • The inverting amplifier
    • The non-inverting summing amplifier (non-inverting adder)
    • The inverting summing amplifier (inverting adder)
    • The difference amplifier (subtractor)
    • The differentiator
    • The integrator
  • The Operational Amplifier - Part III
    • The voltage follower revisited
    • The logarithm amplifier
    • The exponential amplifier
    • The superdiode
    • The half-wave rectifier
    • The full-wave rectifier
  • The Operational Amplifier - Part IV
    • Passive filters
    • Active filters
    • The low-pass filter
    • The high-pass filter
    • The band-pass filter
    • The band-stop filter (a.k.a. notch filter)
  • EMG Sensor Circuit
• ...

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