• on Miscellaneous Electronics
  • Published in issue 12/2007 on page 0
About the article

i-TRIXX Supplement December 2007

Assorted small circuits

i-TRIXX Supplement December 2007
  • Christmas fl asher

  • Water alarm

  • Bio - feedback

  • Thirst indicator for house plants

  • Test beeper for your stereo system

  • Light dimmer for torches

  • LEDs show the way

  • Electronic drumming

  • Time for a game?

  • Chip-canary

  • Nervous spiral

  • Tent alarm

  • Silent dog whistle

  • Lie detector

  • Artful LED dimmer

  • Failure detector for freezers

  • A homemade battery

  • Sensitive torch

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