Foreground p.46 USE YOUR TELEVISION SET AS A VIDEO MONITOR [author Timothy Loos] The right circuit modifications can save you the price of a video monitor p.70 THE ECLECTIC CARD READER [author Anthony J Schaeffer] A do-it-yourself punched card reader p.90 A STEPPING MOTOR PRIMER: Theory of Operation [author Paul Giacomo] Learn about these useful devices in the first of a 2 part tutorial p.108 FAST FOURIER FOR THE 6800 [author Richard H Lord] Analyze speech and music with this fast FFT program p.162 BUILD A COMPUTER CONTROLLED SECURITY SYSTEM FOR YOUR HOME [author Steve Ciarcia] The software for a sophisticated computerized security system-Part 2 of a 3 part series Background p.12 DESIGNING A ROBOT FROM NATURE: Biological Considerations [author Andrew Filo] The eye of the frog is the inspiration for a video scanner-Part 1 of a 2 part article p.32 A MICROPROCESSOR FOR THE REVOLUTION: The 6809 [author Terry Ritter and Joel Boney] Creating the 6809 instruction set, and related matters-Part 2 of a 3 part series p.66 ANOTHER PLOTTER TO TOY WITH [author Peter A Lucas] Build a plotter with an Etch-a-Sketch! p.76 ASSEMBLING THE ADM-3A [author Paul Franson] A user report on the Lear Siegler …