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Robotics: Learn by Building Part 1: Electricity and Electronics

LM386 Audio Amplifier

Questions

Attachments

LM386 circuit schematics
LM386 push-pull amplifier

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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