Links to Books, Software, and Hardware Resources

Check out the software that I use | Books | Hardware | Resources | WindowsCE


Jan Axelson's web site provides information on use of the PC parallel port and USB under Windows, using Visual Basic and, to a lesser extent, Delphi. She has written several books (click the books image for a description) and a number of magazine articles on this and related subjects.

Jonathan Wood's SoftCircuits Programming provides Visual Basic and C++ consulting services. SoftCircuits' web site at has lots of example programs and free utilities that can be a boon to programmers.  A brand-new offering on his site is Cygnus 2.0, a very powerful and inexpensive hex file editor.  In my opinion it is the fastest and easiest hex editor available anywhere! Features include MDI interface, multi-level undo & redo, extensive drag & drop support, blazing fast and flexible search, search and replace, file compare, delete and insert characters as easily as you can in a word processor, edit files up to available virtual memory (up to 2GB), much more.  Check it out the "try before you buy" version using this link.

The Developer MVP (Most Valuable Professional) web site is devoted to information and sample code submitted by various MVPs. Microsoft is not associated with this site. Go to for Karl Peterson's Visual Basic contributions to the MVP site.



SnagIt Screen Capture and Sharing

All the screen capture and editing functionality you’ll ever need, in one simple and powerful program

Is my choice for Image Capture for documentation and webpage construction.  SnagIt is a utility program that I would not be without.  Not only does it make my job easier, it allows me to do a better job!  Click the image above or go to the Techsmith website to learn more, and to download a working demo version.  While you are there, take a look a Camtasia Studio Presentation. 

Using SnagIt, you can select and capture anything on your screen, then easily add text, arrows, or effects, and save the capture to a file or share it immediately by e-mail or IM.  Capture and share an article, image, or Web page directly from your screen. Or, capture and share any part of any application that runs on your PC.  The version that I am using is Snagit 9, and frequent updates that add new features are terrific, and free!  I've never seen a bug, so these updates, AFAIK, address making the product better, not fixing problems.

What You Can Do With SnagIt

  • Share Exactly What You See on Your Screen

Web capture to email (graphic)

Combining images with text is a much more powerful way to communicate than using text alone. This is why SnagIt captures are such an effective way to get your point across. Capture exactly what you see on your screen – an image, an article, or part of a Web page. Then, email it right from SnagIt to a colleague, technical support, or even your best friend.


  • Give Your Presentations More Visual Impact

With SnagIt, you can easily add company logos or other branding elements to your PowerPoint presentations to give them a custom, professional look.  You can even add short video clips of onscreen activity to training presentations.

  • Instruct Others With Quick "How-To" Illustrations

Using SnagIt, you can capture any button, menu, icon, window, or other part of any application that can run on your PC.  Then, use arrows, captions, stamps, cursors or text callouts to illustrate the steps you want the reader to follow or concepts you want them to grasp.

Capture and Edit

Capture Your Screen (image)
  • Capture Anything

With SnagIt, capturing anything on your screen is a few simple clicks away.  At the same time, SnagIt is powerful enough to handle all of your custom capture needs.

Edit Capture and Add Effects (image)
  • Edit and Add Effects

With SnagIt’s powerful Editor at your fingertips, there’s no need to open another application to add the finishing touches to your captures.


B & B Electronics Manufacturing Company sells hundreds of serial communications products. These range from short-range modems and serial converters, to cables, adapters, and debugging aids. See their online catalog for a complete list.  European inquiries should be directed to

R. E. Smith manufactures a line of RS-232 to RS-485 converters, serial repeaters, and designs custom serial hardware. If you have a special problem, some of their adapters may provide the solution.

Telebyte Technology, Inc. sells a variety of serial communications products, including short-range modems, serial converters and adapters, fiber optic products, and test equipment.

Patton Electronics Co. provides CSU/DSUs, fiber modems, print servers, hubs, transceivers, interface converters, short range modems, data line surge protectors, test equipment, serial adapters, and more.

TAL Technologies sells RS232 data acquisition software, serial and TCP/IP communications software, barcode software, bar code ActiveX, bar-code generating DLLs and RS-232 Boards.

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