BUILD THE BEN CLOCK-PART II Finish off the PCB and build the wooden case for this wonderment of horology. by John Carter
LAMP CONTROLLERS FOR SFX These clever circuits overcome the typically flat response sound-activation and pseudorandom flickering effects. by Bill Sheets and Rudolf Graf
LEVITATION! Learn how to use locked anti-phase PWM control to magnetically float common household items. by Guy Marsden Related Information
FEATURES
PATENTS 101An introduction to the role of the US Patent and Trademark Office and what your government can do for you! by Danny Graves
BIPOLAR TRAN COOKBOOK Common-emitter circuits as voltage and common-base cascode designs. by Ray Marston
COLUMNS
AMATEUR ROBOTICS Working with interval timers; avoiding data collisions in asynchronous implementations
ELECTRONICS Q&A I What's Up; Lots of little circuits. along with some more serious designs. TVI filter for taxi noise and a subwoofer filter. Video fade to black control and three-Iead fan explained. Reader fixes flaw in June's gameshow buzzer.
IN THE TRENCHES For Design Engineers facing real-world problems. This month; A primer for technical writing and professional communication.
LASER INSIGHT Plumb the water cooling system and wire up the safety interlocks on the high-voltage power supply.
LET'S GET TECHNICAL From voltage dividers to transfer functions on op-amps. why basic knowledge is foundational to higher understanding.
MICRO MEMORIES The birth of enhanced content video distribution nearly 20 years ago.
ROBOTICS RESOURCES Choosing the correct battery for your mechatron.
STAMP APPLICATIONS Dig a little deeper into the Playstation hand controller interface.
TECHKNOWLEDGEY 2003 New "World's Fastest PC;" Commodore still refuses to die; Would you like Internet with that Big Mac Photocells for a variety of sensing applications; Yahoo! profits higher; and Spam costs $874.00 per employee.