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This Issue: 24-PAGE ‘E-TRIXX’ SUPPLEMENT escaped from the Elektor kitchen Next Issue: FREE CD-ROM FROM MICROCHIP/LABCENTER/ELEKTOR MPLAB — C30 Compiler — EXPLORER-16 — Proteus VSM for PICs Want to know everything each month? SELECT YOUR OWN ANNUAL SUBSCRIPTION AND RECEIVE A FREE 1W LUXEON LED TORCHLIGHT * Fill out the Order Form with this issue today! Subscription rates and conditions may be found at the back of this issue. * Offer available to Subscribers who have not held a subscription to Elektor Electronics during the last 12 months. Offer subject to availability.
CONTENTS Did someone ring? 4 A touch more bling, perhaps? 5 Empty battery? 6 Lord and master! 7 Battery saver circuit 7 Battery indicator for the caravan 8 When the siren sounds… 9 Temperature-controlled switch 10 Check your contacts 11 Check Out Your LEDs 12 It’s Wet! 13 Dicing with LEDs 14 Surf simulator 15 Save Your Ears 17 Electronic poltergeist 18 Pump it up: MP3 booster 19 Musical saw 20 Luminous house number 22 Applause generator 23 collection Circuits Allsorts This December 2006 issue of Elektor Electronics comes with a free collection of simple yet useful and sometimes playful circuits for home construction. The circuits, we hope and expect, are easily understood and reproducible and should appeal to the less advanced electronics enthusiast, although more experienced readers are also bound to fi nd interesting bits and bobs to help them through the dark winter evenings in a pleasant and educational way. A deafening siren that will make burglars run off — electronic dice adds fun to games — a lighting house number helps your friends and acquaintances fi nd your home more easily in the dark. Do you want to stand out from the crowd in the local disco, or encourage annoying visitors to leave early, with a bit of help from an electronic poltergeist? All these, and more, circuits may be found in this 24-page i-TRIXX supplement, which is offered to you free of charge. All i-TRIXX circuits in this supplement originate from the Elektor labs and are spin-offs from larger projects, scribblings on the back of envelopes, dead-bug fi ddling, ‘quick and dirty’ solutions, or even design ideas that eventually became so intriguing the designer just had to develop it out for enthusiasm, curiosity and technical satisfaction — all at the same time in not a few cases. In this respect, i-TRIXX are truly ‘tricks of the trade’ that got pencilled down and eventually — with the help of our editorial team — made it to this publication in print instead of just ending up in a drawer or the more contemporary Windows Recycle Bin. From over 30 years experience in publishing for electronics enthusiasts all over the world we know that the Christmas holidays are a great time for fun circuits that cost next to nothing to build, often from parts found in the junkbox (now’s a good time to clean it out!). Especially newcomers to the hobby will fi nd i-TRIXX useful to learn about the process that begins with the ability to ‘read’ a circuit diagram and culminates in powering up a fully working prototype. Have fun with the i-TRIXX collection! Jan Buiting, Editor
Page 1 and 2: free supplement Tune that dial shor
Page 3 and 4: Digital Storage Oscilloscope Up to
Page 5 and 6: CONTENTS 88 A New Flowcode A new ve
Page 7 and 8: 12/2006 - elektor electronics 7
Page 9 and 10: RFID Quest extended To give readers
Page 11 and 12: Mid-power 24-Vin maxi modules Vicor
Page 13 and 14: CD-ROM Software Toolbox 2 This CD-R
Page 15 and 16: 12/2006 - elektor electronics Talki
Page 17 and 18: Pleasant scents You know the type:
Page 19 and 20: 3. Console enclosures with a tailor
Page 21 and 22: film is printed on the reverse side
Page 23 and 24: milling hands-on next month in elek
Page 25 and 26: ture becomes 180 MHz. Normally the
Page 27 and 28: lated signal with exactly the same
Page 29 and 30: 3 3k9 22k Two BA482 switching diode
Page 31 and 32: ues for the base resistors as shown
Page 33 and 34: Adjustments There are nine trim poi
Page 35 and 36: ations were thought to be operating
Page 37 and 38: LED/Light Kits 6 LED V.U. Meter £3
Page 39 and 40: contains a complete superheterodyne
Page 41 and 42: copies the timing of the transmitte
Page 43 and 44: ow SENSOR C1 47n 12/2006 - elektor
Page 48 and 49: 4 Did someone ring? If you’re exp
Page 50 and 51: Photo: www.energizer.com 6 M1 Empty
Page 52 and 53: BT1 12V 8 D1 BAT85 1M 47k R1 R2 1M
Page 54 and 55: 10 Temperature-controlled switch It
Page 56 and 57: 12 Check Out Your LEDs You have to
Page 58 and 59: 10k R6 14 R7 220k C1 220p R8 470k S
Page 60 and 61: 16 devices (transistors and diodes)
Page 62 and 63: 18 is combined with the current sou
Page 64 and 65: 20 Musical saw Usually it’s the p
Page 66 and 67: 22 Luminous house number During the
Page 68 and 69: £ 65,99 THREE-IN-ONE LAB UNIT �
Page 70 and 71: know-how rf WLAN Antenna Desi Incre
Page 72 and 73: know-how rf Figure 3. Quarter-wavel
Page 74 and 75: know-how rf Antennas in practice Th
Page 76 and 77: know-how wlan Where am I - and W Po
Page 78 and 79: know-how wlan Advertisement signal
Page 80 and 81: technology radio remote control Rad
Page 82 and 83: technology radio remote control Fig
Page 84 and 85: hands-on fpga As you have probably
Page 86 and 87: hands-on fpga DIY experiments Examp
Page 88 and 89: hands-on e-blocks A New Flowcode Ma
Page 90 and 91: hands-on e-blocks What’s new & be
Page 92 and 93: infotainment modding & tweaking Int
Page 94 and 95: hands-on propulsion A Wire with Tot
Page 96 and 97:
TECHNOLOGY LAB TALK 96 Smaller is n
Page 100 and 101:
infotainment retronics SSB receiver
Page 102 and 103:
E L E K T O R S H O W C A S E To bo
Page 104 and 105:
Electronic Project Labs An electron
Page 106 and 107:
Order now using the Order Form in t
Page 108 and 109:
info & market sneak preview Overclo
Page 110 and 111:
ORDERING INSTRUCTIONS, P&P CHARGES
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