An introduction to electronics

Electronics is fundamental to modern life. Using an interactive website, videos, and easy-to-use electronic circuit design and simulation software, this free course, An introduction to electronics, will show how electronic devices and systems pervade everything we do, and teach some of the basic ideas.

• Introduction
• Learning outcomes
• 1 Electronics everywhere
• 1 Electronics everywhere
• 1.1 Autonomous systems
• Sensing
• Logic
• Actuation
• 1.2 The sensing–logic–actuation cycle in practice
• 2 Basic theory of electrical circuits
• 2 Basic theory of electrical circuits
• 2.1  Basic electrical quantities
• 2.2  Relationships between quantities
• 2.3 Ohm’s law and Kirchhoff ’s laws
• Ohm’s law
• Kirchhoff ’s laws
• Series and parallel networks (combining the laws)
• 2.4 Colour coding and standard resistor values
• 3 Some fundamental circuits
• 3 Some fundamental circuits
• 3.1 Voltage dividers
• 3.2 The Wheatstone bridge
• 3.3  Operational amplifier circuits
• 3.4  Designing a sensor circuit
• 4  Signals and signal processing
• 4  Signals and signal processing
• 4.1  High-fidelity sound reproduction and electronics
• 4.2  Recording sounds
• 4.3  Recording and analysing speech
• 4.4  Signals and sine waves
• 4.5  Making signals from combinations of sine waves
• The square wave challenge
• 4.6  From the time domain to the frequency domain
• 4.7  Signals and noise
• 4.8  Filtering
• 4.9  Amplifying signals
• Conclusion
• Acknowledgements