8. Capacitive Touch Sensing | Arduino Electronics Blueprints

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Arduino Electronics Blueprints

By : Don Wilcher

4 (3)

Arduino Electronics Blueprints

4 (3)

By: Don Wilcher

Overview of this book

This book is intended for those who want to learn about electronics and coding by building amazing devices and gadgets with Arduino. If you are an experienced developer who understands the basics of electronics, then you can quickly learn how to build smart devices using Arduino. The only experience needed is a desire to learn about electronics, circuit breadboarding, and coding.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. A Sound Effects Machine

1. A Sound Effects Machine

Parts list

A sound effects machine block diagram

Adding SD and WAV file libraries to your Arduino sketch

Adding an LED bar graph display for selected sound

Summary

2. Programmable DC Motor Controller with an LCD

2. Programmable DC Motor Controller with an LCD

Parts list

A programmable motor controller block diagram

Let's build it!

Summary

3. A Talking Logic Probe

3. A Talking Logic Probe

Parts list

A talking logic probe block diagram

Let's build it!

Summary

4. Human Machine Interface

4. Human Machine Interface

Parts list

An HMI controller block diagram

Getting into the real world using Breakout

Summary

5. IR Remote Control Tester

5. IR Remote Control Tester

Parts list

An IR remote control tester block diagram

littleBits electronic modules

Summary

6. A Simple Chat Device with LCD

6. A Simple Chat Device with LCD

Parts list

A Simple Chat device block diagram

Building a serial-based Simple Chat device

Summary

7. Bluetooth Low Energy Controller

7. Bluetooth Low Energy Controller

Parts list

BLE Controller block diagrams

Building a BLE DC motor controller

Building a BLE seven segment LED display controller

Summary

8. Capacitive Touch Sensing

8. Capacitive Touch Sensing

Parts list

A capacitive touch controller block diagram

Building a capacitive touch controller

The 555 timer IC's monostable operation

A Do It Yourself Design Challenge!

A buttonless servo motor controller

Summary

9. Arduino-SNAP Circuit AM Radio

9. Arduino-SNAP Circuit AM Radio

Parts list

Radio communication basics

The Arduino-SNAP circuit AM radio block diagram

Building the SNAP circuit AM radio

DIY challenge – RedBearLab BLE control

Summary

10. Arduino Scrolling Marquee

10. Arduino Scrolling Marquee

Parts list

The LCD and OLED basics

The Arduino scrolling marquee block diagram

Building an IR-controlled scrolling marquee

A DIY serial monitor LCD marquee

Summary

Index

Index

Parts list

The following is the list of parts required to build a apacitive Touch controller:

R1—1 MΩ resistor (brown, black, green, and gold stripes)
R2—1 KΩ resistor (brown, black, red, and gold stripes)
R3—100 KΩ resistor (brown, black, yellow, and gold stripes)
C1—10 µF electrolytic capacitor
C2—0.001 µF or 1 nF capacitor
Q1—2N3904 NPN transistor
DC servo motor (3-6 V rated) (one unit)
Arduino Uno (R3 version) or equivalent
littleBits DC motor
littleBits proto module
Aluminum foil
Cardboard
Tape
A sheet of clear plastic
Electrical wire (2" in length with a 1/4" of insulation removed from both ends) (one unit)

CONTINUE READING

83

Tech Concepts

36

Programming languages

73

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