ARTICLES
CLEARING UP TV RECEPTION AFLOAT - Gordon West
There is plenty that you can do to improve your existing TV reception whether down at the dock or out on the water.
LED ‘GRAPH’ CIRCUITS - Ray Marston
A wide variety of practical LED dot-graph and bar-graph analog-value display circuits are presented.
BUILD AN IR REMOTE CONTROL TOGGLE SWITCH - Fred Blechman
Just about every popular electronic device these days can be operated with an IR remote control. This “toggle transmitter” will allow you to turn on or off electrical devices from at least 20 feet away.
HOW TO DRAW SCHEMATICS USING MS PAINT - Steve Daniels
Ever ask yourself “How do I draw neat, accurate schematics without spending a lot of money for special software?” You’ll find your answer here ...
AN EASY HUM KILLER — A DEEP NOTCH 60 Hz REJECTION FILTER - James Lyman
Remove annoying AC noise without altering your signals with the modular instrument described here. You can also incorporate the basic filter circuit into other designs requiring rejection of 60 Hz AC noise, such as audio applications.
TAKING THINGS APART: THE JOY OF MICROCONTROLLER DISASSEMBLY — PART 2 - Tim Deagan
A PIC 16C84 Disassembler in Python — This month, write code to implement the functions described in Part 1.
COLUMNS
AMATEUR ROBOTICS NOTEBOOK - Robert Nansel
Planes, Trucks, and Ferries
Highlights of this years’s GEAR rendezvous.
ELECTRONICS Q & A - TJ Byers
Analog math circuits, new life for vintage radios, and a high-current motor speed controller. NiCd battery maintenance circuits, from proper care to rescues. Two PC solutions, and an RIAA update.
OPEN CHANNEL - Joe Carr
Let’s be Radio/Electronics Safe ... Please?
Joe shares some insights and personal experiences regarding the importance of safety precautions.
STAMP APPLICATIONS - Jon Williams
A Talking Pet Trainer
Utilizing the ISD25xxx series of chips (digital recorders) along with a BS2 in a project worth “squawking” about.
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