Nuts & Volts

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78 67 90 8 PROJECTS and FEATURES 38 20 I/O PIN DATA ACQUISITION BOARD Easily incorporate the power of your PC into any project. ■ By James Mobley COVER STORY ON THE COVER ... Customize your projects with this data acquisition board. MARCH 2006 44 BUILD THE SOUND LAB MINI-SYNTH SOUND SYNTHESIZER Analog synthesizers are enjoying a resurgence of popularity, so why not build your own ■ By Raymond Wilson 56 GET MOTIVATED Build this cool interface to work with your exercise bike. ■ By Michael Simpson 67 LEAVING THE CRADLE Colorful entrepreneurs fund commercial manned spaceflight. ■ By Edward Driscoll 72 RESISTORS: TYPES AND APPLICATIONS Learn about the common types of resistors and their special characteristics. ■ By H. Ward Silver COLUMNS 08 TECKNOWLEDGEY 2006 Events, advances, and news from the electronics world. 12 STAMP APPLICATIONS Wading the BS1 debug stream. 20 Q&A Why loudspeakers are different, phone busy alert, T-Bird tail lights, and more. 26 THE DESIGN CYCLE More fun with Freescale’s microcontrollers. 84 LET’S GET TECHNICAL Some fun with speech synthesis. 90 NEAR SPACE A martian near space launch. DEPARTMENTS 06 READER FEEDBACK 32 SHOWCASE 34 NEW PRODUCTS 62 NEWS BYTES 76 NV BOOKSTORE 96 CLASSIFIEDS 100 TECH FORUM 104 ELECTRO-NET 105 ADVERTISERS INDEX 78 GETTING STARTED WITH PICs PIC-to-PC communication. ■ By Chuck Hellebuyck Nuts & Volts (ISSN 1528-9885/CDN Pub Agree#40702530) is published monthly for $24.95 per year by T & L Publications, Inc., 430 Princeland Court, Corona, CA 92879. PERIODICALS POSTAGE PAID AT CORONA, CA AND AT ADDITIONAL MAILING OFFICES. POSTMASTER: Send address changes to Nuts & Volts, P.O. Box 15277, North Hollywood, CA 91615 or Station A, P.O. Box 54,Windsor ON N9A 6J5; cpcreturns@nutsvolts.com 4 March 2006
Link Instruments PC-Based Test Equipment Logic Analyzers New LA-5000 Series • 40 to 160 channels • up to 500 MSa/s • Variable Threshold • 8 External Clocks • 16 Level Triggering • up to 512K samples/ch • USB 2.0 and Parallel Interface • Pattern Generator option LA5240 (200MHz, 40CH) LA5280 (200MHz, 80CH) LA5540 (500MHz, 40CH) LA5580 (500MHz, 80CH) LA55160 (500MHz, 160CH) $1700 USB 2.0/Parallel $2350 USB 2.0/Parallel $2500 USB 2.0/Parallel $3500 USB 2.0/Parallel $7500 USB 2.0/Parallel • Small, Lightweight and Portable • Only 4 oz and 4.75” x 2.75” x 1” • Parallel Port Interface to PC • Trigger Out Small and portable LA-2124 • 24 Channel Logic Analyzer • 100MSa/S max sample rate • Variable Threshold Voltage • Large 128k Buffer $800 Digital Oscilloscopes • 2 Channel Digital Oscilloscope • 100 MSa/s max single shot rate • 32K samples per channel • Advanced Triggering • Only 9 oz and 6.3” x 3.75” x 1.25” • Small, Lightweight, and Portable • USB or Parallel Port interface • Advanced Math • FFT Spectrum Analyzer (option) DSO-2102S $525 DSO-2102M $650 DSO-2102S(USB) $600 DSO-2102M(USB) $725 Link Instruments (973) 808-8990 17A Daniel Road East · Fairfield, NJ 07004 · Fax (973) 808-8786 www.Link-instruments.com March 2006 5
Page 1: www.nutsvolts.com
Page 7 and 8: MICROCONTROLLERS Easy. Complete Dev
Page 9 and 10: TECHKNOWLEDGEY 2006 electronic comp
Page 11 and 12: Visit Us at ESC San Jose Booth 1942
Page 13 and 14: STAMP APPLICATIONS the DEBUG packet
Page 15 and 16: STAMP APPLICATIONS value. In the fu
Page 18 and 19: Mini-Kits... The Building Blocks! L
Page 20 and 21: ■ WITH TJ BYERS Q & A In this col
Page 22 and 23: ed by a Skeeball, the output goes l
Page 24 and 25: ond, collapse the antenna to minimu
Page 26 and 27: ■ BY PETER BEST THE DESIGN ADVANC
Page 28 and 29: CODING AND ACTIVATING THE MC68HC908
Page 30 and 31: Doing these things allowed me to ad
Page 32 and 33: SHOWCASE $349 Extreme Motor Speed C
Page 34 and 35: NEW ■ P R O D U C T S HARDWARE
Page 36 and 37: ■ H A R D W A R E ■ S O F T W A
Page 38 and 39: PROJECTS ■ THIS MONTH’S PROJECT
Page 40 and 41: ■ FIGURE 2 quite a bit in many di
Page 42 and 43: more interesting. The first byte in
Page 44 and 45: Analog music synthesizers — the k
Page 46 and 47: output of IC2-B is fed to R15, the
Page 48 and 49: ■ FIGURE 5. Voltage-Controlled Os
Page 50 and 51: to feed the AR Generator and LFO ou
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E U R S H W V BB Q CC G GG HH JJ KK
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EASY ORDERING IN NANOSECONDS With a
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I have Type 2 Diabetes and have to
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cost you around $5 for the parts, d
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Logon to our website for secure sho
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NEWS BYTES ■ NEWS ■ INNOVATIONS
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Argonautica materials are in French
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www.robobusiness2006.com June 20-21
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SpaceShipOne ignites its engine aft
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Some pre-flight preparations at daw
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RESISTORS TYPES AND APPLICATIONS by
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RESISTORS FIGURE 3. A potentiometer
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Selected Titles for the Electronics
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⇒ PIC to PC Communication ⇒ As
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⇑ FIGURE 3. Hardware setup. Nuts
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NEXT STEPS You can see communicatio
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LET’S GET ■ BY JAMES ANTONAKOS
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Name Title Description Bob Dempsey
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Amazing Devices www.amazing1.com La
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■ BY L. PAUL VERHAGE NEAR SPACE A
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■ FIGURE 2 Altitude (feet) 100000
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SCALE HEIGHT The scale height of an
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CLASSIFIEDS PLANS/KITS/ SCHEMATICS
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CLASSIFIEDS www.servomagazine.com A
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READER-TO-READER QUESTIONS AND ANSW
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READER-TO-READER QUESTIONS AND ANSW
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■ LOOK FOR ■ SEARCH FOR ■ FIN
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CircuitSpecialists.com CircuitSpeci
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