Running Small Motors with PIC Microcontrollers (Anglais) Broché – 1 août 2009
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Description du produit
Biographie de l'auteur
Harprit Singh Sandhu is the founder of Rhino Robotics, a major manufacturer of both educational robots and small computer numeric controlled machines. He is the author of Making PIC Microcontroller Instruments and Controllers.
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Détails sur le produit
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Commentaires en ligne
Commentaires client les plus utiles sur Amazon.com (beta) (Peut contenir des commentaires issus du programme Early Reviewer Rewards)
... Now back to the book because that is really what reviews are all about.
I got a lot of great information from reading this book. Even though I program in C, this book offers a great deal of insight as to the algorithms needed to design a motor control system. This book also gives great details about the internal layout of the PIC. I think it is a must read for anyone interested in learning about the PIC microcontroller. I would have easily given it 5 stars, but I do not like the fact it is written around the BASIC language. The C language is really easy to understand, and I think there may actually be less commands, but I could be slightly biased. Once you have learned one language, it is easy to learn more...
I recommend reading "The C Programming Language. second edition" ISBN-10: 0131103628 ISBN-13: 978-0131103627
It is only 274 pages, but there is a lot of great information contained inside, not to mention the book was written by the creator of the language! For a free compiler to use with the examples in the book, I would recommend GCC, which is available at sourceforge.net. A quick web search should put you in the right direction.
Sorry to be so winded, but I just want to make sure you know what you are getting into.
Good luck with the wonderful world of microcontrollers and embedded systems.
For the beginner this is a good book to start with. The first half of the book is devoted to understanding the PIC MCU's, PICBASIC PRO BASIC, and the getting the LAB-X1 set up. Yes, the first program is blinking LED's. Then the stuff about controlling motors starts (on page 163).
The more experienced user starts here. If you've used a MCU before start here and skim the first parts. At the lower end the user can continue with PICBASIC and work through the examples for each type of motor. This user probably already has his own development board and is using MPLAB.
The advanced user might be disappointed. There's no motor theory or electromagnetic stuff (be grateful). This is a practical book. Turn the motor on, control its speed or position, and brake it. Each type of DC motor (servo, stepper, etc.) is covered. A couple of pages are focused on AC (not really a lot of interest to most users). Even though the examples are in PICBASIC, that's useful as a pseudo language to understand the concepts. Easily implemented in C by the advanced user. This user won't be on the edge of his chair but it's still worth a quick read and as a quick reference.
I purchased this book from Amazon for Kindle in the midst of a serious hobbyist's search for exactly what the title offers. In a few minutes I began reading in earnest hoping to not be disappointed. To my gratification I found myself being led to exactly what I needed to know without the encumbrance of searching for answers to questions that kept popped into my head. From the other relevant reviews I see my experience is not unique. The first questions a reader like me will encounter are all about microcontrollers and how they work. Therefore I was grateful that I was provided the details of microcomputer ports, how they are structured in general, and how they are specific to every function that they support. Now I can manage to find the ports I need to relate to any set of functions available on any microcomputer. Subsequently the section on motors opened my eyes to the simple electrical principles that make them function. I am no longer intimidated by the wide array of connections among the classes of microcontrollers and the categories of motors. Complications are made manageable for the beginner and practical for the experimenter. I am beyond where I wanted to be in order to get started. I am also better prepared to interface microcontrollers to the vast array of sensors that provide information for intelligent motor control. Everything presented is in the practical terms that an experimenter can appreciate.
Update December 15 2011:
I wonder if rediscovering the wheel is the best way to learn how wheels work. In any case I spent the entire month making a program work based on the characteristics of the motor and the needs for my project. and was about to send it to the author for his comment. Then I reviewed the work I had done using the lessons from Chapter 15 of this book, and saw everything that I needed (but did not understand at the time) has already been published. I will always be grateful to have found a teacher who makes this complex subject fun to learn. My practical experience has been accelerated as I continue using the economical Model 100 with the PIC18F and motor with encoder.
Value, that's the message here, especially your time and resources; the PIC series covered runs from the 16F to the 18F relating to experimenting and configuring the LAB-X1 board and the 40 pin microcontrollers which run on it.
High performance dsPIC30 series chipsets are not specifically covered except PIC chips carry over from the earlier chipsets as they move on to the next iteration of chips. So, you can carry over a great deal of information from PIC bread-n-butter 16 and 18 series chips to the dsPIC series from here.
I don't see this book as merely a foray into instant gratification as its BASIC language and a packaged lab environment. After all, one can move on to higher performance dsPIC chips and bring this knowledge with you and other languages, like C. There is lots you can use in BASIC code examples and tweak to your needs or wants. Either as reference or tutorial, I keep this book where I can get to it.
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