Projects and Circuits MULTI-FUNCTION ACTIVE FILTER MODULE by John Clarke A versatile design, ideal as an active crossover in loudspeaker systems METAL LOCATOR by John Clarke Perfect for finding steel frames, studs, bracing and nails in plaster walls LOOP ANTENNA AND AMPLIFIER by Branko Justic and Ross Tester Listen to faint AM stations, separate close signals – small enough for flats A BEAM-BREAK FLASH TRIGGER by Jim Rowe An easy-to-build accessory for the Time Delay Photoflash Trigger CONVERTING UNIDEN SCANNERS FOR AIS by Stan Swan How to attach a ‘slim Jim’ antenna to a popular scanner INGENUITY UNLIMITED PCB track probing unit
Series and Features TECHNO TALK by Mark Nelson Blinded by the light TEACH-IN 2011 by Mike and Richard Tooley Part 9: Digital-to-analogue and analogue-to-digital conversion CIRCUIT SURGERY by Ian Bell LED current drivers PRACTICALLY SPEAKING by Robert Penfold The low down on voltmeters – analogue and digital MAX’S COOL BEANS by Max The Magnificent My Boomerang won’t come back... Mega cool iPad oscilloscope NET WORK by Alan Winstanley Radio Ga-Ga... Domotically-enhanced… It’s in our DLNA
Regulars and Services EDITORIAL Computing for the ‘common man’ NEWS – Barry Fox highlights technology’s leading edge Plus everyday news from the world of electronics MICROCHIP READER OFFER EPE Exclusive – Win a Microchip CAN Development Kit PIC RESOURCES CD-ROM EPE PIC Tutorial V2, plus PIC Toolkit Mk3 and a selection of PIC-related articles EPE BACK ISSUES Did you miss these? SUBSCRIBE TO EPE and save money EPE PIC PROJECTS CD-ROM VOL.1 AND VOL.2 A plethora of handPICed projects CD-ROMS FOR ELECTRONICS A wide range of CD-ROMs for hobbyists, students and engineers READOUT – Matt Pulzer addresses general points arising DIRECT BOOK SERVICE A wide range of technical books available by mail order, plus more CD-ROMs EPE PCB SERVICE PCBs for EPE projects ADVERTISERS INDEX
