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i-TRIXX Supplement December 2008

Assorted small circuits

i-TRIXX Supplement December 2008
i-TRIXX Supplement December 2008

  • Add more speakers

  • Switching with relays

  • Potted-plant battery

  • Scarecrow

  • Acoustic finder for model aircraft

  • An intercom using six components

  • Schrödinger’s egg

  • Remote Control Extension

  • Eco-server

  • Parking sensor (also for men…)

  • LED bicycle lamp

  • Theremin Is Alive and Well

  • USB-controlled mains socket

  • Electronic cat’s eye

  • Code lock

  • Capricious blinking light

  • Moving-coil alarm sensor

  • LED Night light

  • 6-component code lock

  • LED Blinker

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