DE1.3 - Electronics 1

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Imperial College London - Dyson School of Design Engineering

DE 1.3 Electronics 1 (1 May to 26 June 2020)

Introduction to Electronic Circuits, Sensors & Mechatronics

LEARNING OUTCOMES

By the end of this course, you will be able to:

describe electrical signals in terms of voltages and currents

measure electrical signals and specify the accuracy of your measurements

describe and use basic electrical circuit components: resistors, capacitors, inductors, diodes, transistors etc.

calculate voltages and currents in circuits

explain and calculate electrical energy and power

build circuit to amplify electrical signals

explain the differences between analogue and digital signals

explain basic digital electronic building blocks, e.g. gates, flipflops, microprocessors

explain the behaviour of circuits in steady-state and in transient

apply sensors to monitor the physical world

build circuits to drive motors and actuators

select approparite power sources to drive your circuits

communicate between electronic systems

write well-structured programs for embedded applications

RECOMMENDED TEXTBOOKS

Practical Electronics for Inventors (~£30)

COURSE MATERIALS

Week 0

Starting	Topics	Resources
1 May	Topic 1 - Introducing the module (slides, notes)	Course Design Document Course Planning Document

Week 1

Starting	Topics	Resources
4 May	Topic 2 - Current, voltage and Power (slides, notes, recording) Topic 3 - Resistors & resistor circuits (slides, notes, recording) Topic 4 - Kirchoff's Laws & nodal analysis (slides, notes, recording) Topic 5 - Home Lab Kit (slides, notes, recording)	Vclip on current & votlage Vclip on voltage divider
	Home Lab Experiments	Homework
	Watch the following videos: Video on Digital Multi-Meter Video on Oscilloscope	Problem Sheet 1 (solutions) (no quiz)

Week 2

Starting	Topics	Resources
11 May	Topic 6 - Electrical signals (slides, notes, recording) Live Demo - Setting up Signal Generator (recording) Topic 7 - Linearity, Supperpostion & Equivalent circuits (slides, notes, recording)	Guidelines on using electronic logbook Video Tutorial on OneNote Vclips on Thevenin Circuits (1, 2, 3) Vclip on triggering scopes ASCII Table
	Home Lab Experiments	Homework
	Lab 0: Setting up the Signal Generator Lab 1: Signals and Scope (Test signals solutions) Workaround for damaged DAC output	Problem Sheet 2 (solutions)

Week 3

Starting	Topics	Resources
18 May	Topic 8 - Capacitor Circuits (slides, notes, recordings part_1 part_2) Topic 9 - Reactance, Impedance and Frequency Response (slides, notes, recording part_1 part_2)	Collin's Lab video on Capacitor Vclip on RC low pass filter Vclip on CR high pass filter
	Home Lab Experiments	Homework
	Lab 2: Electronic Circuits JYE_Scope (User's Manual, Schematic 1 2, FAQ page)	Problem Sheet 3 (solutions)

Week 4

Starting	Topics	Resources
25 May	Lab 2 explained - Electrical circuits (slides, recordings) Topic 10 - Electronic amplification (slides, notes, recording part_1 part_2) Topic 11 - Operational Amplifiers (slides, notes, recording part_1)
	Home Lab Experiments	Homework
	Lab 3: Op-amps Datasheets (MCP6002, LM386, microphone, speaker)	Problem Sheet 4 (solutions)

Week 5

Starting	Topics	Resources
1 June	Topic 11 - Operational Amplifiers (con't) (slides, notes, recording part_2) Lab 3 explained - Op-amps (slides, recordings) Topic 12 - Digital basics (slides, notes, recording) Topic 13 - Intro to microprocessors (slides, notes, recording)	Vclip on binary & hex numbers Video on How a CPU works?

Week 6

Starting	Topics	Resources
8 June	Topic 14 - How CPU works? (slides, notes, recording) Topic 15 - ESP32 & MicroPython (slides, notes, recording) Topic 16 - Sense (slides, notes, recording) Topic 17 - Druve (slides, notes, recording)	Video on How a CPU is made? ESP32 datasheet ESP32 Reference Manual Heltec WiFi 32 Kit Pin Out diagram Video on "Hall Effect Sensor" Video on "Introduction to MEMS" Video on MEMS accelerometer Video on Coriolis Effect Animation of a loudspeaker Video on Brushed DC motor Video on stepper and servo motors
	Home Lab Experiments	Homework
	Lab 4A: Setting up MicroPython (esp32spiram.bin, oled.py, font.py) Lab 4B: ESP32, Sensors & Drivers (Rotary switch driver (zipped), Lab 4 B solutions)	Problem Sheet 5 (solutions)

Week 7

Starting	Topics	Resources
15 June	Topic 18 - Link (slides, notes, recording) Lab 4B and The Challenges (slides, recording) Revision Lecture (recording part 1, part 2)	Neopixel LED datasheet Video on D to A converter Video on Bluetooth Low Energy Video on RFID Video on how to choose a battery Video on future of batteries (supercapacitor)
	Home Lab Experiments	Homework
	Open-ended Challenges

Online Evaluation of Module (SOLE) (PDF)

Past Examination Paper

Examination Paper 2017
Examination Paper 2018
Examination Paper 2019

Lab Oral Assessment - Thursday 25 June 2020
Schedule, Guidelines &Feedback form

Video on Challenges by students


Challenge	Student
Dancing LEDs	Sean Fernanda Marie Matvey
SOS message	Tianxiao
wifi control	Len
Remote control car	Anna George
Musical instrument	Robert Tiffany

Micropython

Main Micropython website
Heltec ESP32 Pin Out diagram
Micropython Libraries

Other Useful Resources

Learn Python the Hard Way
Colour codes and preferred values for resistors

This page is maintained by Peter Cheung
Last updated: 14 July 2020