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$49.00
Robotics: Learn by Building Part 1: Electricity and Electronics
Stephen Orsatti
264
play-sharp-fill

Sign in to start taking the course or check out the free previews available in the lesson list to the right.

 

Here is the proposed outline for the Part 1 course. I will making additions/changes based upon the feedback that you, the students, have given me in the survey.

Electricity

  • Introduction to electricity and electrical safety, introduction to electronics
  • Conductor, insulator, resistor, volts, amps, watts
  • Ohms law
  • Resistors – we’ll make one
  • Series/parallel circuits
    • Simple resistor circuit, introduction to schematic diagrams
    • What’s a short circuit?
  • Capacitors – make one
  • Diodes & LED’s
  • Breadboards & build 555 timer flashing light. Tone generator, then use capacitor and variable resistor you build
  • Inductors – we’ll build one. We’ll use this later for detecting metals with a voltage divider
    • relays and flyback voltage, protecting circuits with a reverse biased diode
  • tank circuits & resonance
  • Crystals
  • Transistors
    • principle
    • switching transistors
  • PWM (Pulse Width Modulation)
    • What is it?
    • Build a motor speed controller using 555 and transistor and DC motor
  • Servo motors
    • how they work
    • PWM control
    • position and speed servos motors
    • build a servo driver PWM circuit
  • Voltage Dividers
  • Transistors – audio gain or linear gain
    • feedback and amplifying gain
  • Transistor load hogging
  • Transistor types
    • MOSFET
    • MOSFET’s can be put in parallel easily
    • subject to static electricity
  • H-bridge for controlling DC motors
  • Dual power supplies and ground
  • OP Amps
    • gain/feedback
    • differential amps
  • biofeedback
    • making electrical pads
    • making conductive gel
  • Build a muscle sensing differential amp
  • opto sensors:
    • spoke sensors for speed and position
    • reflective for proximity
    • break beam (build a catburglar alarm?)

Power Supplies

  • Transformers
    • principle
    • math & physics involved
  • building your own power supplies
  • pre-built power supplies: wall warts, computer power supplies (jump with a load to get it to turn on)
  • DC to AC conversion
  • 7805 voltage regulator
  • DC-AC inverter
  • 386 audio amplifier circuit (guitar or microphone amp)
  • RGB LED mood light

Recycling electronics

Take This Course $49.00

Students

Lessons

  • Introduction and whatcha gonna need for this course – free preview
  • Introduction to electricity
  • AC electricity
  • Bonus lesson: AC with DC voltages
  • Ohm’s law and power
  • Using your faithful multimeter
  • Resistors
  • Schematic diagrams and resistors in series and parallel
  • Variable resistors (potentiometers)
  • Capacitors
  • Diodes & LED’s
  • Breadboarding and hooking up LED’s and diodes
  • 555 Timer and LED flasher
  • Troubleshooting
  • Bonus lesson: Calculating resistor values for diodes
  • 555 Sound generator
  • Using our hand made electronics
  • Soldering 101 – free preview!
  • Voltage dividers and VCO (voltage controlled oscillator)
  • Inductors and Induction
  • Ratings of capacitors, inductors and resistors
  • Relays and switches
  • Transistors: Bipolar Junction and switching
  • Heat Sinks
  • FET transistors
  • Pulse Width Modulation – electronic speed controller – Free Preview!
  • Servo motors: An introduction and control circuit
  • Temperature and light sensors controlling servos
  • The H-bridge
  • High Power DC switching – Free preview!
  • Servo motor driver electronics
  • Continuous rotation servos – hacking hobby servos
  • Dual power supplies and that mysterious “ground”
  • Transistor amplifiers, part I
  • Transistor amplifiers part II and the “perfect” amplifier
  • Operational Amplifiers: Introduction
  • LM386 Audio Amplifier
  • Bionics & biofeedback – Free lesson preview!
  • Muscle sensing differential & instrumentation amplifiers
  • Muscle sensing servo: testing, operating & troubleshooting – Free preview!
  • Single power supply for Op Amps
  • Frequency amplifier / colour organ
  • RGB LED’s and colour sensing – Free preview!
  • Optoelectronics – Free preview!
  • Zener diodes
  • Salvaging electronics and electromechanics – Free Preview!
  • Transformers – more than meets the eye
  • Center-tapped Transformers and household electrical
  • RMS?
  • Building power supplies
  • High Power loss, why AC? Why such high voltage transmission?
  • Bonus: student question about motor speed and power
  • Bonus lesson: the 555 timer – Free Preview
  • Bonus lesson: RC constant and capacitors as power supplies
  • Bonus lesson: Comparators – Free Preview

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