Article i-TRIXX Supplement December 2007 Assorted small circuits i-TRIXX Supplement December 2007 Christmas fl asherWater alarmBio - feedbackThirst indicator for house plantsTest beeper for your stereo systemLight dimmer for torchesLEDs show the wayElectronic drummingTime for a game?Chip-canaryNervous spiralTent alarmSilent dog whistleLie detectorArtful LED dimmerFailure detector for freezersA homemade batterySensitive torch Downloading of this magazine article is reserved for registered users only.Login | Register now!
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