Make More Electronics by Charles Platt
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Make More Electronics by Charles Platt

Make More Electronics 36 Illustrated Experiments That Explain Logic Chips, Amplifiers, Sensors, and More by Charles Platt | PDF Free Download.

How to use Make More Electronics PDF

There are a few differences in style and organization between this book and the previous one. Also, you need to know how to read the arithmetical notation that I have used.

Preface to Make More Electronics eBook

This book picks up where my previous introductory guide, Make: Electronics, left off. Here you will find topics that I did not explore in detail before, and other topics that were not covered at all because I lacked sufficient space.

You will also find that I go a little bit further into technicalities, to enable a deeper understanding of the concepts.

At the same time, I have tried to make “Learning by Discovery” as much fun as possible. A few of the ideas here have been discussed previously in Make magazine, in very different forms.

I always enjoy writing my regular column for Make, but the magazine format imposes strict limits on the wordage and the number of illustrations.

I can provide much more comprehensive coverage in this book. I have chosen not to deal with microcontrollers in much depth, because explaining their setup and programming language(s) in sufficient detail would require too much space.

Other books already explain the various microcontroller chip families. I will suggest ways in which you can rebuild or simplify the projects here by using a microcontroller, but I will leave you to pursue this further on your own.

What You Need

Prior knowledge

You need a basic understanding of the topics that I covered in the previous book. These include voltage, current, resistance, and Ohm’s law; capacitors, switches, transistors, and timers; soldering and breadboarding; and a beginner’s knowledge of logic gates.

Of course, you can also learn these topics from other introductory guides. Generally I assume that you have read Make: Electronics or a similar book, and you have a general memory of it, although you may have forgotten some specifics.

Therefore I will include a few quick reminders without repeating the general principles to any significant extent.


I’m assuming you already own the following equipment, all of which was described in Make: Electronics:

  • Multimeter
  • 24-gauge multicolored hookup wire (25 feet of each color, in at least four colors)
  • Wire strippers
  • Pliers
  • Soldering iron and solder
  • Breadboard (the preferred type is described in the next section of the book.)
  • 9V battery, or an AC adapter (with a DC output) that can deliver between 9VDC and 12VDC at 1A


I have listed the components that you will need to build the projects. See Appendix B. That section also recommends sources for mail-order.


I discussed datasheets in Make: Electronics, but I can’t overemphasize how important they are. Please try to make a habit of checking them before you use a component that you haven’t encountered before.


I discovered electronics when I was a teenager, in collaboration with my friends in high school. We were nerds before the word existed. Patrick Fagg, Hugh Levinson, Graham Rogers, and John Witty showed me some of the possibilities.

Fifty years later, Graham kindly contributed a schematic to this book. Several decades after that, Mark Frauenfelder nudged me back into the habit of making things.

Gareth Branwyn facilitated Make: Electronics, and Brian Jepson enabled its sequel. They are three of the best editors I have known, and they are also three of my favorite people.

Most writers are not so fortunate. I am also grateful to Dale Dougherty for starting something that I never imagined could become so important, and for welcoming me as a participant.

Fredrik Jansson provided advice and corrections while I was working on this project. His patience and good humor have been very valuable to me.

Fact checking was also provided by Philipp Marek. Don’t blame Philipp or Fredrik if there are still any errors in this book. Remember that it’s much easier for me to make an error than it is for someone else to find it.

Circuits were built and tested by Frank Teng and A. Golin. I appreciate their help. I am also grateful for the conscientious attention of Kara Ebrahim and Kristen Brown in the production department, and proofreader Amanda Kersey.

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