Also See Our Latest Animated Features
New tutorial for engineering students: Electronics Circuit Principles and Design  
General System Troubleshooting  Meter Math Site  
                      Our most comprehensive free e-book Electronic Concepts New (Oct 2006)
Site Map

Troubleshooting
Top Menu

Basic Electronics
Now with Sound!
Go There Now!

Back to Adder Circuit

U4 Gate

Moving black dot indicates logic probe connection. Green Lamp = High, Black Lamp = Low

Moving black dot indicates logic probe connection.

New!   If you like this type of training, I recommend that you get my latest free e-book Electronic Concepts .

 The key element of the Virtual Electronics Teaching system is our free e-book: Electronic Concepts. This e-book teaches electronics by explaining the operation of a variety of circuits.  It covers basic networks, transistors, regulated power supplies and much more.  Electronic Concepts is a hybrid e-book.  Our hybrid e-books are meant to be read while viewing an Internet slideshow using our Internet Slide Show Control Matrix.   Electronic Concepts can be downloaded from the Slide Show Control Matrix page in zipped PDF format. [ Go there! ] Download and print book.  Read book while