The Arduino-Inside Measurement Lab

Chapter 1: Preparations

1.1 Choice of the Controller

1.2 The Arduino Nano

1.3 Supply Voltage

Chapter 2: Preliminary Tests

2.1 Port Outputs

2.2 Analog inputs and outputs

2.3 The Serial Plotter

2.4 PWM Signal Generator

2.5 A Sawtooth Generator

2.6 Direct Digital Synthesis

Chapter 3: GCC Programming

3.1 Fast port outputs

3.2 PWM Output

3.3 Timer Interrupt

3.4 Fast Sine Wave Generator

3.5 AD Buffering

Chapter 4: The 'MSR' Laboratory

4.1 Two-channel DDS Generator

4.2 Binary Serial Transmission

4.3 Frequency Setting

4.4 Deflection Times and Dual-channel Operation

4.5 Triggering

4.6 DC Voltage Output

Chapter 5: Additional Inputs and Outputs

5.1 DDS Phase Adjustment

5.2 Signal Generator up to 8 MHz

5.3 Frequency Measurement

5.4 Additional Analog Inputs

5.5 Capacitance Measurement from 1 pF

5.6 Resistance Measurement up to 1 MΩ

5.7 Resistance Measurement from 1 Ω

Chapter 6: Measurements and Experiments

6.1 Subsampling

6.2 Examination at Higher Frequencies

6.3 Measurements on a Synchronous Signal

6.4 Frequency Response of a Low-pass Filter

6.5 An LC Low Pass

6.6 LC Resonance

6.7 Transistor Test Circuit

Chapter 7: Firmware Extensions

7.1 Alternative DDS Functions

7.2 Reduced Amplitude

7.3 Triangle and Sawtooth

7.4 X-Y Representation

7.5 Frequency Sweep

7.6 Ramp Function

7.7 Measurement of Characteristic Curves

Chapter 8: Application Examples

8.1 The Emitter Follower

8.2 Emitter Follower as Impedance Converter

8.3 Sallen-Key Filter

8.4 Beat-Frequency Generator

8.5 Operational Amplifier

8.6 Voltage Doubling

8.7 All-pass Filter

8.8 Bandpass Filter

Appendix

A.1 Bill of Materials

A.2 Breadboard Drawings

A.3 Support Software

Publication Information

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Declaration

The author, editor, and publisher have used their best efforts in ensuring the correctness of the information contained in this book. They do not assume, and hereby disclaim, any liability to any party for any loss or damage caused by errors or omissions in this book, whether such errors or omissions result from negligence, accident or any other cause. All the programs given in the book are Copyright of the Author and Elektor International Media. These programs may only be used for educational purposes. Written permission from the Author or Elektor must be obtained before any of these programs can be used for commercial purposes.

British Library Cataloguing in Publication Data

A catalogue record for this book is available from the British Library

• ISBN 978-3-89576-603-9 (Print)
• ISBN 978-3-89576-604-6 (eBook)

Copyright © Elektor International Media

Website: www.elektor.com

Editor: Jan Buiting, MA

Prepress Production: D-Vision, Julian van den Berg

Printers: Ipskamp, Enschede, The Netherlands

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