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JANUARY 2008<br />
PROJECTS and<br />
FEATURES<br />
38<br />
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BUILD A HIGH-POWER<br />
LED STROBE<br />
Shed some new light on your<br />
next strobe circuit application.<br />
■ By Fernando Garcia<br />
MODIFICATION OF A<br />
SIX VOLT LITHONIA<br />
EMERGENCY LIGHT<br />
Never be left in the dark again<br />
with this reliable circuit.<br />
■ By Clifford Chipman<br />
SINGLE CHIP, FOUR<br />
CHANN<a title="Nuts & Volts_33805 page 1" href="http://viewer.zmags.com/publication/078e932c?page=1"> </a>
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<a title="Nuts & Volts_33805 page 4" href="http://viewer.zmags.com/publication/078e932c?page=4"> JANUARY 2008 PROJECTS and FEATURES 38 32 </a>
<a title="Nuts & Volts_33805 page 5" href="http://viewer.zmags.com/publication/078e932c?page=5"> Link Instruments PC-Based Test Equipment Digit</a>
<a title="Nuts & Volts_33805 page 6" href="http://viewer.zmags.com/publication/078e932c?page=6"> DEVELOPING PERSPECTIVES by Bryan Bergeron, Ed</a>
<a title="Nuts & Volts_33805 page 7" href="http://viewer.zmags.com/publication/078e932c?page=7"> </a>
<a title="Nuts & Volts_33805 page 8" href="http://viewer.zmags.com/publication/078e932c?page=8"> R MIM’sTHE WORD Paul Verhage’s Near Spac</a>
<a title="Nuts & Volts_33805 page 9" href="http://viewer.zmags.com/publication/078e932c?page=9"> </a>
<a title="Nuts & Volts_33805 page 10" href="http://viewer.zmags.com/publication/078e932c?page=10"> TECH KNOWLEDGEY EVENTS, ADVANCES, AND NEWS 2008 </a>
<a title="Nuts & Volts_33805 page 11" href="http://viewer.zmags.com/publication/078e932c?page=11"> TECHKNOWLEDGEY 2008 future has been the cost</a>
<a title="Nuts & Volts_33805 page 12" href="http://viewer.zmags.com/publication/078e932c?page=12"> ■ Diagram of a nuvoDisc flat, brushless motor. f</a>
<a title="Nuts & Volts_33805 page 13" href="http://viewer.zmags.com/publication/078e932c?page=13"> General Atomics Aeronautical Systems, Inc. the wo</a>
<a title="Nuts & Volts_33805 page 14" href="http://viewer.zmags.com/publication/078e932c?page=14"> STAMPAPPLICATIONS PUTTING THE SPOTLIGHT ON BASIC </a>
<a title="Nuts & Volts_33805 page 15" href="http://viewer.zmags.com/publication/078e932c?page=15"> STAMP APPLICATIONS PCB will have a processor</a>
<a title="Nuts & Volts_33805 page 16" href="http://viewer.zmags.com/publication/078e932c?page=16"> ■ FIGURE 2. SX-Net power and RS-485 connectio</a>
<a title="Nuts & Volts_33805 page 17" href="http://viewer.zmags.com/publication/078e932c?page=17"> the input buffer — this is the sender node. If th</a>
<a title="Nuts & Volts_33805 page 18" href="http://viewer.zmags.com/publication/078e932c?page=18"> Set_One_Bit: tmpB1 = fifo(0) tmpB2 = fifo</a>
<a title="Nuts & Volts_33805 page 19" href="http://viewer.zmags.com/publication/078e932c?page=19"> simple, we’ll use a word variable to receive the </a>
<a title="Nuts & Volts_33805 page 20" href="http://viewer.zmags.com/publication/078e932c?page=20"> ◗ PARTS LIST Item Description</a>
<a title="Nuts & Volts_33805 page 21" href="http://viewer.zmags.com/publication/078e932c?page=21"> </a>
<a title="Nuts & Volts_33805 page 22" href="http://viewer.zmags.com/publication/078e932c?page=22"> USB Experimenters Kit Learn how USB w</a>
<a title="Nuts & Volts_33805 page 23" href="http://viewer.zmags.com/publication/078e932c?page=23"> It’s A Great New Year... And Time To Have F</a>
<a title="Nuts & Volts_33805 page 24" href="http://viewer.zmags.com/publication/078e932c?page=24"> Q&A ■ WITH RUSSELL KINCAID In this col</a>
<a title="Nuts & Volts_33805 page 25" href="http://viewer.zmags.com/publication/078e932c?page=25"> QUESTIONS & ANSWERS ■ FIGURE 2 12 VOLT TO 9 VO</a>
<a title="Nuts & Volts_33805 page 26" href="http://viewer.zmags.com/publication/078e932c?page=26"> ■ FIGURE 4 ■ FIGURE 5 the second </a>
<a title="Nuts & Volts_33805 page 27" href="http://viewer.zmags.com/publication/078e932c?page=27"> MOSFET is just as simple (see Figure 5). Not</a>
<a title="Nuts & Volts_33805 page 28" href="http://viewer.zmags.com/publication/078e932c?page=28"> NEW </a>
<a title="Nuts & Volts_33805 page 29" href="http://viewer.zmags.com/publication/078e932c?page=29"> ■ HARDWARE ■ SOFTWARE ■</a>
<a title="Nuts & Volts_33805 page 30" href="http://viewer.zmags.com/publication/078e932c?page=30"> Fax: 631-563-0701 Phone: 1-800-539-7445 Ema</a>
<a title="Nuts & Volts_33805 page 31" href="http://viewer.zmags.com/publication/078e932c?page=31"> SHOWCASE PP:KLWH ZDWHUFOHDU /('9 PFG $% VHFR</a>
<a title="Nuts & Volts_33805 page 32" href="http://viewer.zmags.com/publication/078e932c?page=32"> PROJECTS M H e e g n . . . L F ■ TH </a>
<a title="Nuts & Volts_33805 page 33" href="http://viewer.zmags.com/publication/078e932c?page=33"> BY FERNANDO GARCIA . . e h e w e d r</a>
<a title="Nuts & Volts_33805 page 34" href="http://viewer.zmags.com/publication/078e932c?page=34"> t u </a>
<a title="Nuts & Volts_33805 page 35" href="http://viewer.zmags.com/publication/078e932c?page=35"> Build a High-Power LED Strobe a c </a>
<a title="Nuts & Volts_33805 page 36" href="http://viewer.zmags.com/publication/078e932c?page=36"> m t e v a o l u b t e </a>
<a title="Nuts & Volts_33805 page 37" href="http://viewer.zmags.com/publication/078e932c?page=37"> January 2008 </a>
<a title="Nuts & Volts_33805 page 38" href="http://viewer.zmags.com/publication/078e932c?page=38"> Tr e op E me ica rn rg l es m en </a>
<a title="Nuts & Volts_33805 page 39" href="http://viewer.zmags.com/publication/078e932c?page=39"> BY CLIFFORD CHIPMAN, KB3PML g C D </a>
<a title="Nuts & Volts_33805 page 40" href="http://viewer.zmags.com/publication/078e932c?page=40"> D c - o e ” i a g w f </a>
<a title="Nuts & Volts_33805 page 41" href="http://viewer.zmags.com/publication/078e932c?page=41"> Emergency Light N d u f o </a>
<a title="Nuts & Volts_33805 page 42" href="http://viewer.zmags.com/publication/078e932c?page=42"> Here’s a simple circuit I came up with as part o</a>
<a title="Nuts & Volts_33805 page 43" href="http://viewer.zmags.com/publication/078e932c?page=43"> BY DAN GRAVATT m m n t a </a>
<a title="Nuts & Volts_33805 page 44" href="http://viewer.zmags.com/publication/078e932c?page=44"> t a e d i o h n </a>
<a title="Nuts & Volts_33805 page 45" href="http://viewer.zmags.com/publication/078e932c?page=45"> See how your designs function before you design t</a>
<a title="Nuts & Volts_33805 page 46" href="http://viewer.zmags.com/publication/078e932c?page=46"> Low-Cost Microcontrollers Enable Electronic “Micr</a>
<a title="Nuts & Volts_33805 page 47" href="http://viewer.zmags.com/publication/078e932c?page=47"> FIGURE 1. μDice schematic. be downloaded to the </a>
<a title="Nuts & Volts_33805 page 48" href="http://viewer.zmags.com/publication/078e932c?page=48"> implemented to eliminate pushbutton contact-bounc</a>
<a title="Nuts & Volts_33805 page 49" href="http://viewer.zmags.com/publication/078e932c?page=49"> PHOTO 2. Back view. As soon as one of the pushbu</a>
<a title="Nuts & Volts_33805 page 50" href="http://viewer.zmags.com/publication/078e932c?page=50"> initialized to 30 and then decrement- ed by one</a>
<a title="Nuts & Volts_33805 page 51" href="http://viewer.zmags.com/publication/078e932c?page=51"> Great Kits for Electronics Enthusiasts T</a>
<a title="Nuts & Volts_33805 page 52" href="http://viewer.zmags.com/publication/078e932c?page=52"> A Digital Color Organ by Craig A. Lindley I n </a>
<a title="Nuts & Volts_33805 page 53" href="http://viewer.zmags.com/publication/078e932c?page=53"> VDC, depending on the load. Diode D1 prevents t</a>
<a title="Nuts & Volts_33805 page 54" href="http://viewer.zmags.com/publication/078e932c?page=54"> the manipulation of the Gain variable used to </a>
<a title="Nuts & Volts_33805 page 55" href="http://viewer.zmags.com/publication/078e932c?page=55"> FIGURE 3. High mid band filter. Real Time and μ</a>
<a title="Nuts & Volts_33805 page 56" href="http://viewer.zmags.com/publication/078e932c?page=56"> PHOTO 2. Color organ controller board. The μC tar</a>
<a title="Nuts & Volts_33805 page 57" href="http://viewer.zmags.com/publication/078e932c?page=57"> PHOTO 5. Front view of the color organ. 5) Con</a>
<a title="Nuts & Volts_33805 page 58" href="http://viewer.zmags.com/publication/078e932c?page=58"> FIGURE 6. Color organ output schematic. CO</a>
<a title="Nuts & Volts_33805 page 59" href="http://viewer.zmags.com/publication/078e932c?page=59"> BEST SCOPE & LOGGER SELECTION! 25/40MHz USB 14</a>
<a title="Nuts & Volts_33805 page 60" href="http://viewer.zmags.com/publication/078e932c?page=60"> Basic Analog Power Supply Design by Gerard Fonte </a>
<a title="Nuts & Volts_33805 page 61" href="http://viewer.zmags.com/publication/078e932c?page=61"> FIGURE 2. The practic</a>
<a title="Nuts & Volts_33805 page 62" href="http://viewer.zmags.com/publication/078e932c?page=62"> Basic Analog Power Supply Design FIGURE 4.This i</a>
<a title="Nuts & Volts_33805 page 63" href="http://viewer.zmags.com/publication/078e932c?page=63"> voltage version — LM-317H — that can go to</a>
<a title="Nuts & Volts_33805 page 64" href="http://viewer.zmags.com/publication/078e932c?page=64"> Basic Analog Power Supply Design be damaged wi</a>
<a title="Nuts & Volts_33805 page 65" href="http://viewer.zmags.com/publication/078e932c?page=65"> ALL QFAUSATLISThYipPpairn</a>
<a title="Nuts & Volts_33805 page 66" href="http://viewer.zmags.com/publication/078e932c?page=66"> go to www.nutsvolts.com click Electro-Net </a>
<a title="Nuts & Volts_33805 page 67" href="http://viewer.zmags.com/publication/078e932c?page=67"> GETTING STARTED WITHPICs THE LATEST IN PROGRAMMIN</a>
<a title="Nuts & Volts_33805 page 68" href="http://viewer.zmags.com/publication/078e932c?page=68"> ■ FIGURE 5. Enter PICkit 2 Command Line. pk2cmd.</a>
<a title="Nuts & Volts_33805 page 69" href="http://viewer.zmags.com/publication/078e932c?page=69"> once, and verifies it three times. Overkill</a>
<a title="Nuts & Volts_33805 page 70" href="http://viewer.zmags.com/publication/078e932c?page=70"> PERSONALROBOTICS UNDERSTANDING,DESIGNING&CONSTRUC</a>
<a title="Nuts & Volts_33805 page 71" href="http://viewer.zmags.com/publication/078e932c?page=71"> First Night Austin street celebration. Thinki</a>
<a title="Nuts & Volts_33805 page 72" href="http://viewer.zmags.com/publication/078e932c?page=72"> ■ FIGURE 2. Peristaltic pump prototype. reduce </a>
<a title="Nuts & Volts_33805 page 73" href="http://viewer.zmags.com/publication/078e932c?page=73"> PERSONAL ROBOTICS </a>
<a title="Nuts & Volts_33805 page 74" href="http://viewer.zmags.com/publication/078e932c?page=74"> ■ FIGURE 10. Software </a>
<a title="Nuts & Volts_33805 page 75" href="http://viewer.zmags.com/publication/078e932c?page=75"> PERSONAL ROBOTICS ■ FIGURE 13. Jonatha</a>
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<a title="Nuts & Volts_33805 page 77" href="http://viewer.zmags.com/publication/078e932c?page=77"> PERSONAL ROBOTICS To operate the </a>
<a title="Nuts & Volts_33805 page 78" href="http://viewer.zmags.com/publication/078e932c?page=78"> Give TReX Jr You know it wants your r $59.</a>
<a title="Nuts & Volts_33805 page 79" href="http://viewer.zmags.com/publication/078e932c?page=79"> Interface a sharp LCD display to your BASIC Stamp</a>
<a title="Nuts & Volts_33805 page 80" href="http://viewer.zmags.com/publication/078e932c?page=80"> NEW! HIDmaker FS for Full Speed FLASH PIC18F455</a>
<a title="Nuts & Volts_33805 page 81" href="http://viewer.zmags.com/publication/078e932c?page=81"> Turn Your PC into a Real-Time Audio Spectru</a>
<a title="Nuts & Volts_33805 page 82" href="http://viewer.zmags.com/publication/078e932c?page=82"> THEDESIGNCYCLE ADVANCED TECHNIQUES FOR DESIGN ENG</a>
<a title="Nuts & Volts_33805 page 83" href="http://viewer.zmags.com/publication/078e932c?page=83"> the electronic switch component will sink the loa</a>
<a title="Nuts & Volts_33805 page 84" href="http://viewer.zmags.com/publication/078e932c?page=84"> +5V </a>
<a title="Nuts & Volts_33805 page 85" href="http://viewer.zmags.com/publication/078e932c?page=85"> THE DESIGN CYCLE well rooted in theory and </a>
<a title="Nuts & Volts_33805 page 86" href="http://viewer.zmags.com/publication/078e932c?page=86"> ■ PHOTO 5.The trick is to keep the AD594’s source</a>
<a title="Nuts & Volts_33805 page 87" href="http://viewer.zmags.com/publication/078e932c?page=87"> THE DESIGN CYCLE I used ExpressPCB to de</a>
<a title="Nuts & Volts_33805 page 88" href="http://viewer.zmags.com/publication/078e932c?page=88"> LISTING 3 dataLen = 4; </a>
<a title="Nuts & Volts_33805 page 89" href="http://viewer.zmags.com/publication/078e932c?page=89"> Metal Fabrication 1-2 Day Lead Times Available </a>
<a title="Nuts & Volts_33805 page 90" href="http://viewer.zmags.com/publication/078e932c?page=90"> NEARSPACE APPROACHING THE FINAL FRONTIER ■ BY L.</a>
<a title="Nuts & Volts_33805 page 91" href="http://viewer.zmags.com/publication/078e932c?page=91"> NEAR SPACE ■ FIGURE 2.The schematic of the sing</a>
<a title="Nuts & Volts_33805 page 92" href="http://viewer.zmags.com/publication/078e932c?page=92"> ■ FIGURE 4.Two channel camera timer. </a>
<a title="Nuts & Volts_33805 page 93" href="http://viewer.zmags.com/publication/078e932c?page=93"> THE PICAXE TERMINATOR This month’s sec</a>
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<a title="Nuts & Volts_33805 page 105" href="http://viewer.zmags.com/publication/078e932c?page=105"> AD INDEX ■ </a>
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