Arduino Projects for Amateur Radio by Jack Purdum

By Jack Purdum


Do you must bring up the performance and price of your ham radio with out spending some huge cash? This e-book will convey you ways! Arduino initiatives for beginner Radio is stuffed with step by step microcontroller tasks you could accomplish in your own--no programming event necessary.

After getting you put up on an Arduino board, veteran ham radio operators Jack Purdum (W8TEE) and Dennis Kidder (W6DQ) commence with an easy liquid crystal display exhibit and movement as much as tasks which could upload countless numbers of greenbacks' worthy of enhancements to present gear. This functional advisor presents distinctive directions, precious diagrams, lists of reasonably cheap components and providers, and and software program counsel that make development your personal apparatus much more relaxing. Downloadable code for the entire tasks within the publication can be available.

Do-it-yourself tasks include:

  • LCD guard
  • Station timer
  • General function panel meter
  • Dummy load and watt meter
  • CW automated keyer
  • Morse code decoder
  • PS2 keyboard CW encoder
  • Universal relay protect
  • Flexible sequencer
  • Rotator controller
  • Directional watt and SWR meter
  • Simple frequency counter
  • Portable solar energy source

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The displays are available in other form factors; more rows, or more Chapter 3: The LCD Shield Projec t characters. It is perfectly fine to use one of these other displays but you will have to modify our program code to accommodate the different form factor. 0). Also be aware that some LCD displays do not have backlighting. Backlighting refers to the illumination that appears as a background for the LCD characters. Without backlighting, the display depends upon ambient lighting to provide enough contrast to read the display.

In Chapter 2 you learned that functions are the basic building blocks from which applications are created. You can think of a software library as a collection of functions designed for some specific purpose. In many ways, an Arduino library is much like a single book. , LCD). Opening the book and inspecting its table of contents (TOC), you discover more details about the book’s general area of interest. , setCursor(), write(), clear()). By reading each chapter, you learn how to use the LCD feature that is the subject of that particular chapter.

Once those statements are executed, the i is incremented (expression3, or i++) and then expression2 (i < MAXVAL) is evaluated again. This for loop keeps executing until i has been incremented to a value that equals or exceeds MAXVAL, at which time the for loop ends. In Listing 2-2, the for loop omits all three expressions. Because the three expressions are missing, there are no expressions present that can be tested to terminate the for loop. This creates an infinite loop: a loop that never ends.

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