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LEARNING RVK-BASIC -PART 8
Answer the question of how to generate PWM from your AVR microcontroller and the generation and use of random numbers. By Bob Vun Kannon Download Compiler
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A NEW AND SIMPLE WAY TO MEASURE TEMPERATURE WITH YOUR COMPUTER
Build a serial port digital period thermometer for under $10.00. By Ray Green
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PRODUCT REVIEW: LINE6 GUITARPORT
If you're a "weekend warrior" musician looking for a practice or recording tool, then tune into this GuitarPort.
By Edward B. Driscoll, Jr.
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A UNIVERSAL FET TESTER
When you're working with surplus FETs or FETs removed from previously used circuit boards, it's a good idea to test them prior to re-use.
By Peter Lehmann
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THE COMPORT TESTER
You've just finished building that new gizmo of yours, plugged it into the ComPort on your PC and POOF! Smoke starts billowing from the gizmo! If only there was a way to test that ComPort to make sure it was still working ...
By Jon J. Varteresian
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KENWOOD'S FREETALK RADIOS MAKE STAYING IN TOUCH EASY
Kenwood's series of FRS radios are well- equipped to keep communication lines open, whether you're keeping track of where your kids are or helping someone maneuver a motor home into a tight spot.
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UNDERSTANDING AND USING 'NORTON' OP-AMP ICs - PART 2
The operating theory and practical applications of the LM359 high- performance dual Norton op-amp are explained, plus a few more LM3900 applications are presented in this final installment. By Ray Marston
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BUILD THE COOK-OUT COMPANION
Play your stereo system indoors while listening to the same music outdoors with this wireless system.
By Anthony J. Caristi
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SEPTEMBER IS BACK-TO-SCHOOL TIME
Get involved in helping to rewrite the Technician class Element 2 examination that will go into effect July I, 2003. By Gordon West
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| COLUMNS |
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AMATEUR ROBOTICS
The last details of building a cheap linear actuator with some ideas for future improvements; Taking a quick dip into color; plus, a final announcement. By Robert Mansel.
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OPEN COMMUNICATION Part 1
Baseband Communications. How to put 10 pounds into a five-pound bag -or -Squeezing higher data rates into narrower band- widths. By Louis E. Frenzel
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ELECTRONICS Q & A
What's Up: Two IR remote control receivers, a simple KVM switch, and the definitive chart of TTL output driver circuits. Looking for hard-to-find parts? Sources for custom panel meters, USB-to-serial port converters, and used Tektronix scopes. How to earn a CET or A+ Certification, and some very techie cool web sites. By T J Byers
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LASER INSIGHT
Using a flashlamp to excite dye cells. By Stanley York
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STAMP APPLICATIONS
Digital Data Recording. Put together a simple event recorder that will monitor up to eight inputs and record changes in the state of these inputs to an external EEPROM. By Jon Williams
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TECHKNOWLEDGEY 2002
Invasion of the robotic tunas; New technique for faster, smaller, cheaper chips; Software bugs cost big bucks; 10 GB Ethernet standard approved; Single-chip audio IC for portable devices; Miniature DC motors offer high power- to-volume ratio; New low-power, zero-drift op-amps; and Computer industry achieves major milestone.
By Jeff Eckert
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